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Thermophysical Properties of Normal from 135 to 700 K at to 70 MPa

William M. Haynes and Robert D. Goodwin

Thermophysical Properties Division National Engineering Laboratory National Bureau of Standards Boulder, CO 80303

U.S. DEPARTMENT OF COMMERCE, Malcolm Baldrige, Secretary NATIONAL BUREAU OF STANDARDS, Ernest Ambler, Director

Issued April 1982 Library of Congress Catalog Card Number: 82-600512

National Bureau of Standards Monograph 169 Nat. Bur. Slanii. (U.S.), Mongr. \W. 197 pages (Apr. 1982) CODEN: NBSMA6

U.S. GOVERNMENT PRINTING OFFICE WASHINGTON: 1982 Contents Page

1. Introduction 1

2. Physical Properties and Their Formulation 2

2.1 Fixed-Point Values 2

2.2 Melting Line and Vapor Pressures 3

2.3 The Orthobaric Densities 4

2.4 The Virial Equation 5

2.5 The Equation of State 6

2.6 The Ideal Functions 8

2.7 Thermal Loop Computations 8

2.8 The Heats of Vaporization 9

2.9 Saturated Enthalpies and Entropies 9

2.10 Dielectric Constants 10

3. Computational Methods 11

3.1 The Homogeneous Domain 11

3.2 The Saturated Liquid 12

3.3 The Compressed Liquid 13

3.4 Fugacity Coefficients 13

3.5 Simplified Computation 13

4. Tests and Conclusions 13

5. Tables of Physical and Thermodynamic Properties 14

5.1 Calculated P-p-T Isochores and Isotherms 14

5.2 The Joule-Thomson Inversion Locus 14

5.3 Thermophysical Properties of the Saturated Liquid ..... 15

5.4 Thermophysical Properties Along Selected Isobars 15

6. Acknowledgments 15

7. References 16

APPENDIX A. Symbols and Units 23

APPENDIX B. Conversion of Units 25

APPENDIX C. Fixed-Point Values for Normal Butane 26

APPENDIX D. Normal Butane Properties Reference Index 27

APPENDIX E. Computer Program 30

i i i List of Figures Page

Figure 1. Density- diagram of normal butane 49

Figure 2. P-T locus of P-p-T data for normal butane 50

List of Tables

Table 1. Comparisons of vapor data with eq (2) 51

Table 2. Comparisons of saturated liquid density data with eq (3) . . 54

Table 3. Comparisons of saturated vapor density data with eq (4) . . 57

Table 4. Comparisons of second virial coefficients with eq (5). . . . 59

Table 5. Behavior of coefficients of equation of state for

normal butane (eq (6)) 62 Table 6. Calculated P(p) critical isotherm of normal butane 63

Table 7. Comparisons of experimental P-p-T data of normal butane

with eq (6) 64

Table 8. Comparisons of data for ideal gas functions with eq (7). . . 85

Table 9. Interpolated ideal gas functions from eq (7) 86

Table 10. Comparisons of heat of vaporization data with eq (9) , . . . 87

Table 11. Enthalpies of saturated liquid normal butane from eq (10) . 89 Table 12. Entropies and specific heats of saturated liquid normal

butane from eq ( 1 1 ) 90 Table 13. Comparisons of dielectric constant data with eq (12) .... 91 Table 14. Comparisons with saturated liquid specific heats 95

Table 15. Comparisons with C and C data 96 v p Table 16. Comparisons with velocity of sound data 97

Table 17. Calculated P(T) isochores of normal butane 98 Table 18. Calculated P(p) isotherms of normal butane 113 Table 19. The Joule-Thomson inversion locus for normal butane .... 133 Table 20. Thermophysical properties of saturated liquid normal butane 134

Table 21, Thermophysical properties of normal butane along isobars . . 136

i V THERMOPHYSICAL PROPERTIES OF NORMAL BUTANE FROM 135 TO 700 K AT

PRESSURES TO 70 MPa

William M. Haynes and Robert D. Goodwin Thermophysical Properties Division National Engineering Laboratory National Bureau of Standards Boulder, Colorado 80303

Using a modified version of the nonanalytic equation of state, thermophysical properties of normal butane are derived from physical properties data and are tabulated at integral from 135 to 700 K along isobars at pressures to 70 MPa. These isobar tables, along with a table for the saturated liquid, give values for densities, compressibility factors, internal energies, enthalpies, entropies, heat capacities, fugacities, sound velocities, dielectric constants, and isochore and isotherm derivatives. Equations, whose coefficients are determined from a least squares fit to selected experimental data, are also presented for vapor pressures, orthobaric liquid and vapor densities, ideal gas properties, second virial coefficients, dielectric constants, heats of vaporization, melting pressures, and orthobaric liquid specific heats, enthalpies, and entropies. Comparisons between experimental and calculated values for all properties considered here are reported in detail.

Key words: Densities; dielectric constants; enthalpies; entropies; equation of state; fugacities; internal energies; isobars; isochores; isotherms; Joule-Thomson inversion; latent heats of vaporization; melting line; normal butane; orthobaric densities; specific heats; vapor pressures; velocities of sound.

1 . Introduction

The present work is a revision and extension of a previous provisional report [28] from this laboratory. Since that report new compressibility data [35] for normal butane at low temperatures have become available and are incorporated in the work reported here. These new data cover a range from 140 to

300 K at pressures to 35 MPa. As a result of new dielectric constant measure- ments [35,38] on normal butane, the present work also includes a correlation of dielectric constant data. The nonanalytic equation of state used here, which is modified from earlier versions [26-29], is also currently being employed in correlations for [30] and isobutane [31].

1 other correlations on normal butane have been reported by Hanson [34],

Prengle, et al . [57], Canjar, et al. [9], Das and Kuloor [?C], and Das, et al . [21]. Many new properties data, especially at low temperatures, have appeared since these correlations were developed.

SI units are used throughout this report in tables and equations. Pressures 3 are given in MPa, densities in kg/m , and temperatures in K. For thermal properties, the mol is used for amounts of substance. However, all computations in computer programs (Appendix E) for the present work have been conducted in units of bar for pressure and mol/L for density.

Symbols and units used in this report and in computations appear in

Appendix A; conversion factors for units are given in Appendix B. Fixed-point values of normal butane used in this work are reported in Appendix C. A collection of references for the major physical properties of normal butane, along with ranges of data, is presented in Appendix D. Appendix E consists of computer programs used for the calculation of thermophysical properties of normal butane. In figure 1 is presented the density-temperature diagram for normal butane.

2. Physical Properties and Their Formulation

In this section, first the fixed-point values selected in present work are presented and their origins are briefly discussed. As the present equation of state originates on a given liquid-vapor coexistence boundary, the P(T) melting line, the vapor pressures, and the orthobaric densities are next formulated.

Then the truncated virial equation of state is given because it is used to derive some needed data. The equation of state description is followed by formulation of some thermal properties needed for the final computations of a thermodynamic network. All symbols used in the equations are defined in Appendix A.

2.1 Fixed-Point Values

These values are listed in Appendix C.

(a) The Triple Point. The temperature (T^ = 134.86 K) is adopted from

Das, et al . [21], while the pressure is determined from the equation (eq (2)). The liquid density is based on consistency with data in eq (3). Equation (4) for saturated vapor densities is used for calculating the vapor density.

2 (b) The . The temperature {J^ = 272.638 K) is froin vapor pressure eq (2) at a pressure of 1 atm = 0.101325 MPa. Liquid and vapor densities are from eqs (3) and (4).

(c) The Critical Point. The temperature (T^ = 425.16 K) is adopted from

Das, et al. [21] and is in agreement within acceptable limits with the values of

= Beattie, et al . [2] and Kay [44]. The density and pressure (p^ 227.85 kg/n? (3.92 mol/L) and P^ = 3.7960 MPa) are adopted on the basis of fitting orthobaric densities, vapor pressures, and P-p-T data and then examining the behavior of the calculated critical isotherm. The selected values for density and pressure are substantiated by those obtained experimentally from the data of Kay [44],

Beattie, et al . [2] and by those selected in the correlation of Das, et al. [21].

2.2 Melting Line and Vapor Pressures

(a) The Melting Line. Experimental pressures from about two to ten kilobars were reported by Reeves, et al . [59] as constants for the Simon eq (1).

In present work using the triple point temperature and pressure from Appendix C, the relation,

= ^ [(T/T^)^ - 1] (1) % Pt Po . is obtained, where P^ = 6.7358 x lO"'' MPa, T^ = 134.86 K, P^ = 363.4 MPa, and c = 2.21.

(b) The Vapor Pressures. Data used for adjusting eq (2) appear in the first part of table 1. Other data, weighted zero, appear in the continuation of the table. Values at ID = 40 have been derived via thermal loops, as described by Goodwin [27], by use of the saturated liquid specific heat data of Aston, et al . [1] from the triple- to the normal boiling-point; the heat of vaporization of Aston, et al . [1] at the normal boiling point; the ideal gas thermofunctions formulated in section 2.6; the virial equation formulated in section 2.4; and, for the minor contribution of V*dP to AH on the saturated liquid path, the preliminary vapor pressure and saturated liquid densities equations were also used. This procedure also has been described by Yarbrough and Tsai [75].

The argument for eq (2) is T^ e T/T^; then, vapor pressures (P^) in MPa are given by the relation.

3 = - £n(P^-10) a/T^ + b + c-T^ + d-T^ + e-T^ + f-(l T^)^ , (2) where e = 1.85 and, from least squares analysis,

a = - 9.5092 4729 d = 4.8614 7936

b = 5.2015 3488 e = - 7.5581 8629

c = 10.6409 5231 f = 18.7288 6023

Exponent e was selected for a best fit of P-p-T data under the constraint that, at the critical point, the slope of the vapor-pressure equation be equal to the

slope of the critical isochore from the equation of state, dP^/dT = (3P/3T)p .

The fit of present vapor pressure data is relatively insensitive to values o? e

in the range, 1.1 <. e <. 1.95, but the critical point slope is dependent on the value of £. The value of e = 1.85 is consistent with scaling law equations* The present slope at the critical point is dP^/dT = 0.064272 MPa/K»

2.3 The Orthobaric Densities

(a) Saturated Liquid Densities. Data in table 2 have been selected for consistency. Data weighted zero, which appear in the continuation of the table, are shown for comparison. If the variable for eq (3) is defined by

E - - x(T) (T^ T)/(T^ T^) , then the orthobaric liquid densities, p^, are described by

- - - (p^ P^)/(p^ P^) = X + (x^ x) -[a + b-x + c-x^] , (3) where e = 0.35, and, from least squares analysis,

a = 0.7943 88335 c = -0.0858 29197

b = -0.0010 89476

(b) Saturated Vapor Densities. The following new type of formulation for saturated vapor densities has been developed for consistency with the equation of

state (eq (5)) to yield a compressibility factor approaching unity in the limit of low densities, as described earlier [26,29]. Data in table 3 used in the fit

have been selected for internal consistency. Values at ID = 40 are derived from the vapor-pressure and virial equations. Other data, weighted zero, appear in the continuation of table 3. The compressibility factor for saturated vapor is formulated by use of the vapor-pressure equation, such that Z (T) approaches

4 unity as Pq-*0, (hence T^(p) -» 0). Let = (Z^ - 1), where is value of the compressibility factor at the critical point, and define the arguments

= E - n(T) P^(T)/P^ , T/T^ , u(T) e (1 T^) .

The saturated vapor densities, e P^/(Z^«R*T), then are given by

= 1 Z + A^-n-T^^-fd) , (4) where

E - f(T) 1 + a'u^ + b'u + c*exp[n*(l 1/u)] ,

= = * e 0.35, n 2.3, and, from least squares analysis, .

a = -0.8665 77289 c = 4.4986 58942

b = 1 .1203 97967

The next-to-last column in table 3 gives the experimental residuals,

- F(Z) E (Z^^p 1)-t2/[A„.„] , used to develop a functional form for f(T).

2.4 The Virial Equation For the truncated virial equation,

Pv/RT = 1 + B^(T).p^ + . . . , (5a) the second virial coefficient, B^(T), is dimensionl ess through the use of the reduced variables, e p/p^ and T^ e T/T^. The following relation,

B^(T) = + B2/T^ + B3/T^ . (5b) is used to fit the second virial data given in the first part of table 4. Excluded data, weighted zero, appear at the end of table 4. From least squares analysis, the following coefficients,

B-| = 0.3703 0532 B^ = -0.6660 5953

B^ = -0.9668 8512 have been determined. The second virial s have been used to synthesize P-p-T data, to calculate saturated vapor densities via the vapor pressure equation, and to make thermal loop computations.

5 2.5 The Equation of State

Figure 2 shows the P-T regions covered by P-p-T data of Beattie, et al . [2],

Kay [44], Olds, et al . [51], and Haynes [35]. The data of Sage, et al . [64] are excluded from this figure and are not used in the fit, since they are superseded by data of Olds, et al . [51]. These P-p-T data for normal butane are also summarized in Appendix D and table 7. Data from the virial equation along a low density isochore are included in the fit. Equal weightings of unity have been given to the data sets [2,35,44,51] used in fit.

The nonanalytic equation of state used here originates on the liquid vapor coexistence boundary, as described in detail by Goodwin [26,29]. Twelve least squares coefficients appear in the vapor pressure and orthobaric density equations. In the equation of state there are four nonlinear parameters and only three least squares coefficients, as described below. The equation has been modified from earlier forms [26-29]. For any density (isochore) the coexistence temperature, T^(p)» is obtained by iteration from eqs (3) and (4) for the orthobaric densities. The vapor pressure, P^[T^(p)], thus is a function of density, and the equation of state has the form,

- = - P P^(p) p^-R*-[T T^(p)] + p^R*T^-F(p.T) , (6) where

• F(p,T) E B(p).$(p,T) + C(p)-f(p,T) . (6a)

The density, p^ = p/p^» is reduced at the critical point, while the constant

R* is defined by R* e (0.0083145) 'p^, MPa/K. The temperature-dependent functions in (6a) are defined as follows.

= - - $(p,T) T^.exp[b-(1 T^/T)] (T^)^ , (6b) ... where b e (1 - 3) + (1 - 8)^^^ T^ e T/T^, and (T^) e T^(p)/T^.

y(p.T) = ^(P.T)/I'^(p) - 1 , (6c) where i|'^(p) is obtained from i|j(p,T) merely by replacing T with T^(p)5 and

^(P.T) = 1 - (03 - a3'^/n)/(l - 1/n) . (6d)

6 . ,

The value for 3 was found by trial, while the value for n was determined from critical region behavior.

= - a)(p.T) [1 0(p)/T] , (6e) where g(p) is a locus of temperatures inside the coexistence envelope defined by

= e(p) T^(p) •exp[-a.f(p)] , and (6f)

Hp) = |P^ - ll^/((pJ - 1)^ . ^ r

= reduced density at the liquid triple point. The parameter (Px) ^t^^c r a is found by trial

The density-dependent coefficients in (6a) are

B(p) E + B2-P^ (6g) and

- - C(p) = C^-(p^ l).(p^ CQ)-exp[-Y.p^] , (6h) where Cq and y ai^e to be found by trial.

Parameters and coefficients of eq (6) for normal butane are

= = = = a 1 , 3 0.70, Y 0.14, n 1 .1

B^ = 0.4565 5869 162 = 2.2

B^ = 0.1714 3942 370 = -0.2803 6114 629

Table 5 gives behavior of coefficients B(p), C(p) as a function of density and table 6 gives behavior along the critical isotherm. (In table 6, the symbol,

Pp is defined as the density reduced by the triple point density.) These r , f»u tables show that the equation is smooth and well-behaved. Table 7 summarizes experimental compressibility data and presents deviations of experimental densities and pressures from values calculated from the equation of state.

Although the data of Sage, et al . [64] are not used in the fit, comparisons with these data are presented in table 7. These data show systematic differences of approximately 1 percent when compared in regions of overlap with the results of

Kay [44], Olds, et al . [51], and Haynes [35]. For normal butane, there are four comprehensive sets of liquid and gaseous compressibility data covering a temperature range from 140 to 600 K at pressures

7 as high as 70 MPa that are internally consistent within a few tenths percent in regions of overlap. Using these data sets, the present equation yields a slightly better fit than that obtained from a slightly different equation used in the provisional work [28] for which the low temperature data were not available.

In the earlier work, the single phase results at temperatures less than room temperature were obtained by extrapolation. Thus, a significant improvement has been made in the P-p-T behavior of normal butane at low temperatures.

It should be noted that the functional form of the equation of state used here for normal butane has also been used in current work for propane [30] and isobutane [31]. Identical nonlinear parameters except for insignificant differences in y. have been obtained for all three fluids in fitting this equation to available P-p-T data.

2.6 The Ideal Gas Functions

A formulation of the spectroscopic specific heats, C^(T), of Chen, et al . [12] has been developed. Using x^ = T/lOO,

5 , . C°/R - 4 = A. .x^-"" exp(-£/x^). £ , (7)

where R = 8.31434 J/(mol»K) and

e = 2.37 A3 = 257.279067

A^ = 41.110973 A^ = -170.730596

A2 = -139.304011 Ag = 40.032171

Table 8 shows the fit of data used. In this table, the values for (H°-H°) ' ' 0' 0 and for S are obtained by numerical integration, starting at T = 300 K.

Table 9 gives interpolated values at integral temperatures.

2.7 Thermal Loop Computations

At temperatures from the triple- to the normal boiling-point, new data have been derived for vapor pressures, saturated vapor densities, and for heats of vaporization by thermal loop computations for AH and for AS of saturated vapor and saturated liquid. This procedure described by Goodwin [29], and more generally by Yarbrough and Tsai [75] uses virial eq (5a), ideal gas functions eq (7), the heat of vaporization of Aston, et al . [1] at the normal boiling point, and the following new formulation of the specific heats of Aston,

8 et al . [1] for the saturated liquid from the triple- to the normal boiling-point.

=- Define k^{T)Xq(T) T/lOO; thent^ the saturated liquid specific heats, C^(T) , in

J/(mol«K), are given by

= + b + + ^ C (T) a/x c-x d»x . (8)' ' 0 0 0' ^ where, from least squares analysis, the coefficients, in units of J/(mol«K), are as follov/s:

a = -104.7430 c = -97.2492

b = 284.0264 d = 20.6032

Results for the vapor pressures appear in table 1 at ID = 80, and for the

heats of vaporization in table 10 at ID = 80. Saturated vapor densities from the thermal loop computations are replaced in table 3 at ID = 40 by derived data from the fitted vapor-pressure eq (2) and the virial eq (5a).

2.8 The Heats of Vaporization

Table 10 shows the fit of selected data. Those at ID = 80 are derived via thermal loops (section 2.7). Those at ID = 41 are from the Clapeyron equation.

The formulation of these heat of vaporization (Q^gp) "^ata in kJ/mol uses argument x(T) = (T^ - T)/(T^ - T^);

= - A^-x + (x"^ x)-[A2 + A3-X + A^-x^] , (9) where

e = 0.34 A3 = 12.710873

A^ = 28.789248 A^ = -16.533537

A2 = 24.163103

The coefficients have units of kJ/mol . The uncertainty of at least one percent

in Qy^p at the higher temperatures will affect compressed liquid thermofunctions in this region, since Q^^p is used to compute across the "dome."

2.9 Saturated Liquid Enthalpies and Entropies Data for saturated liquid enthalpies and entropies have been derived at temperatures from the triple- to the critical-point by use of the ideal gas functions, the equation of state, and the formulated heats of vaporization. The

enthalpies then have been formulated, as shown in table 11. Define the

variabl e.

9 = - - X (T^ T)/(T^ T^) ; then the enthalpies, H(j(T), are described in J/mol by

i-1 (H^ - H^)/(H^ H^) = X + (x^- - x) A.*x (10) 1 i = l where e = 0.29, = 0.001 J/mol, = 45399.788 J/mol, and

0.1929 77338 kr = 2.8727 89244 0.3998 98449 Ag = -4.0526 10155 -0.0549 93612 A^ = 2.6963 77850

-1.0205 68625 A„ = -0.6834 38899

The formulation of saturated liquid entropies in J/(mol*l<) is shown in table 12,

LetLei X E (T^ - T)/(T^ - T^) ; then the entropies, S^(T), are given in J/(mol»l<) by

i-1 - - = x + (x^ - X) A.'x (11) (^a V/(^t i = l where e 0.23, = 133.54372 J/(mol»K) = 297.64652 J/(mol«K), and

A, = 0.08883 44435 A4 = -0.95683 28496

= -0.34703 04947 A. = 0.95799 92545 5

= 0.20937 24392 A. = -0.65346 07056

Specific heats along the saturated liquid path follow from the relation,

C^(T) = T*dS^/dT, and are given in the last column of table 12. All of the above saturated liquid formulations for H^(T), S^(T), and C^(T) are used to compute thermodynamic properties for compressed liquid states at T < T^.

2.10 Dielectric Constants Dielectric constants, e, for the saturated vapor of normal butane are estimated from the refractive indices, n, of Sliwinski [67] via e = n'. (These low density data are in a region for which dispersion effects should be minimal.)

Haynes [35,38] recently has measured e for the saturated liquid at temperatures from 135-300 K and for the compressed liquid at presures to 35 MPa along isotherms up to 300 K. These data and their formulation via the Clausius-Mossotti function.

10 E - + CMF [(£ l)/(e 2)]/p , (12a)

are presented in table 13. The following formulation has been used to fit the

data in table 13 and to calculate e along isobars (table 21) at temperatures

extrapolated up to 450 K, and at pressures up to 70 MPa. Define the variables,

T E T/T and p = p/p.; then, with P in units of MPa, the CI ausi us-Mossotti 3 function, in units of cm /mol , is given by

CMF = + A2-p^ + A3-p^ + A^/T^ + A^-P/IO (12b) where

A^ = 20.654382 A^ = -0.0392 1649

A, = 0.2512 9317 A. = -0.0116 4552 2 5 A3 = -0.0972 3048

3 The least squares coefficients have units of cm /mol. Data at high pressures

have a diminished v/eighting as seen in table 13. The rms relative deviation for

152 points is 0.083 percent for the CMF and 0.017 percent for the dielectric constant.

Comparisons with dielectric constant data for liquid normal butane not used

in the fit to eq (12) are not presented in table 13. The dielectric constants of Thompson and Miller [70] and Luo and Miller [47] at temperatures between 220 and 289 K agree within 0.1 percent with values calculated from eq (12).

3. Computational Methods

The numerical values For E and H in this report are based on the assigned value, E = 0 at the liquid triple-point, obtained by use of the arbitrary value,

E° = 22644.306 J/mol . Specific heats of Aston, et al . [1] could be integrated to give the solid at T = 0 as reference state.

3.1 The Homogeneous Domain

The homogeneous domain of figure 1 includes all regions which can be attained along isotherms starting at zero density without crossing the vapor-liquid "dome," and without passing very close to the critical point at

T > Tc- Computations start with ideal gas thermodynamic functions at zero density,

and then continue by integrating numerically along isotherms by use of the

equation of state in the following relations.

11 = [P - AE / T-(9P/aT)]-dp/p^ , (13)

AC^ = - T . (9^P/9T^).dp/p^ / , (14)

AS = R'iln[P°/(pRT)] + [R - 0P/8T)/p] -dp/p . (15) J*

Equation (15) is for use with initial entropies in hypothetical ideal gas states at P° = 1 atm (0.101325 MPa). For all other initial states,

AS = - / (9P/3T)'dp/p^ . (15a)

In each (p,T) state, reached by above integrations, the following are computed,

H = E + P»v , (16)

Cp = + T.(9P/9T)2/(9P/9p)/p^ , (17) and

= Cp.(9P/9p)/Cy . (18)

3,2 The Saturated Liquid

At temperatures from the triple-point to the critical-point, thermofunctions

for the saturated vapor are obtained via eqs (13) through (16). Then eq (9) for

the heat of vaporization, Qygp» is used to compute

= - = AH Q , AS AH/T , (19)

such that the free energy of vaporization, AG = AH - T»AS, is zero (see

section 2.9). Having obtained H and S for the saturated liquid, E = H - P»v is computed.

The single-phase specific heat, Cy(p,T), at the saturated liquid boundary,

is obtained from eq (11) using C^(T) = T«dS^/dT and the thermodynamic relation,

= Cy(p,T) C^(T) + T.(9P/9T).(dp^/dT)/p^ , (20) where p, is density of the saturated liquid. Values for C (p,T) and W(p,T) on X/ P this boundary follow from eqs (17) and (18). For liquid at the normal boiling point, the following values have been obtained.

12 , . .

= = 272.638 K, 16770.1 J/mol ,

E,^ = 16760.3 J/mol , = 218.485 J/(mol -K)

3.3 The Compressed Liquid

Starting vvith above values for E, S, and on the saturated liquid

boundary, eqs (13), (14), and (15a) are used to integrate along isotherms, and

then H, C^, and W are obtained via eqs (16), (17), and (18).

3.4 Fugacity Coefficients

The fugacity coefficients in table 21 were computed along isotherms relative

to properties in hypothetical ideal gas states at a pressure, P° = 1 atm (0.101325 MPa)

(f/P) = (P°/P)-exp [AG/RT] . (21)

For any (P,T) point, the isothermal free energy change is

= - - - AG (H E°) - T.(S S°) , (22)

in which the arbitrary value of E° was added to tabulated values of H(P,T)

such that E(P,T) = 0 for liquid at the triple point.

3.5 Simplified Computation

Given the subroutines of Appendix E, it is necessary first to call

SUBROUTINE PVTDATA, to place constants in common statements. To obtain the

density in mol/L at a given T,K and P,bar, it is necessary merely to write the instruction DEM = FINDENF(T,P) for single-phase domains. Coexisting densities

are given by the functions DENGASF(T) and/or DENLIQF(T), and the vapor pressure

in bar by PSATF(T)

For thermodynamic properties, the subroutine SIMPLE here is an example of

how to use the general subroutine THERMO (see Appendix E).

4. Tests and Conclusions

In the provisional report [28], comparisons were made between enthalpy

- differences from that work and those from the correlation of Das, et al . [21].

Since the results from the present work are approximately equivalent to those

from the earlier report at temperatures above 300 K, these comparisons, along

with some consistency tests, are omitted in this report.

13 It has been a routine procedure to validate equation of state computations by comparing calculated and experimental specific heats and sound velocities.

For normal butane, there are only a few experimental specific heats and sound velocities available, most of which are unreliable. Comparisons with available data are presented in tables 14-16.

In the present work, an isochoric, nonanalytic equation of state has been developed, based on thermophysical properties data, to compute thermodynamic properties of normal butane. This equation originates on the liquid-vapor coexistence boundary; approximately twelve constants are used in the vapor pressure and orthobaric density equations. The equation, as used here, has only three least squares coefficients and describes a P(p,T) surface free of irregularities consistent with the known behavior of specific heats, especially in the critical region. Four nonlinear parameters appear in the equation.

For normal butane, the equation of state has been developed from comprehensive and consistent sets of vapor pressure, orthobaric vapor and liquid density, and compressibility data. In general, the experimental data for these properties over the range of this work are in relatively good shape except for low temperature vapor pressures and vapor densities for which values have been determined from thermal loop computations. However, as mentioned earlier, accurate specific heat and sound velocity data are needed for comparisons with computations from the equation of state.

5. Tables of Physical and Thermodynamic Properties

5.1 Calculated P-p-T Isochores and Isotherms

Tables 17 and 18 give a selection of isochores and isotherms computed by equation of state (6). These are essential to examine behavior of the P(p,T) surface. They are a useful supplement to the isobars of table 21 for interpolating P-p-T values and their derivatives.

The tables of isochores show that the isochore curvatures are qualitatively consistent with a maximum in the specific heat Cy(p,T) at the critical point.

The isotherm tables show that 3P/3p is nonnegative and that pressure increases monotonical ly with density along isotherms.

5.2 The Joule-Thomson Inversion Locus

Table 19 gives the P-p-T locus of the JT inversion, (3T/9P)|^ = 0, obtained from equation of state (5) under the condition, T»(3P/3T) = p'(3P/9p).

14 This table has been computed to temperatures well above those of P-p-T data, to show approach to a maximum in P-T coordinates.

5.3 Thermophysi cal Properties of the Saturated Liquid

Table 20 gives physical and thermodynamic properties of the saturated liquid computed by methods of section 3. (Properties of the saturated vapor can be obtained from Table 21 from values given at the coexistence boundary for each isobar.)

5.4 Thermophysical Properties Along Selected Isobars

Table 21 gives physical and thermodynamic properties on isobars, computed by methods of section 3. These tables are extrapolated above the maximum temperature and pressure of P-p-T data used for adjusting the equation of state.

Small discontinuities may be detected at T^ = 425.16 K along isobars at

P > P^ = 3.796 MPa due to a change in the paths of computation (section 3). The first line of each table refers to freezing liquid on the P(T) melting line. Each table at P < P contains a blank line for the transition from c saturated liquid to vapor, as seen by the abrupt decrease of density. Dielectric constants are extrapolated above maximum experimental temperatures and pressures

(see section 2.10 and table 13), but have not been extrapolated above 450 K.

6. Acknov;l edgments Many staff members of the Thermophysical Properties Division of the National

Bureau of Standards (NBS) have contributed valuable suggestions, references, and documents. Robert D. McCarty contributed the essential least-squares program, providing for constraints. James F. Ely indicated the new numerical integration procedure, and the simple method for obtaining fugacities. Neil A. Olien and the

Cryogenic Data Center have been of invaluable assistance in supplying references and in obtaining documents. Special thanks go to Karen A. Bowie for her diligence and expertise in the preparation of the manuscript and tables for publication. Finally, we express grateful appreciation for support of this work by the Gas Research Institute.

15 . . . . .

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22 APPENDIX A. Symbols and Units

Subscripts c and t refer to critical and liquid triple points.

Subscripts g and £ refer to saturated vapor and liquid.

Subscript a refers to liquid-vapor coexistence (usually the liquid).

Subscript r refers to reduced parameter.

Subscript o refers to reference state property.

Subscript m refers to melting line.

Subscript b refers to normal boiling point.

Superscript o refers to ideal gas state property, expt refers to experimental value, calc refers to calculated value.

(aP/3T)p isochore derivative, MPa/l( (3P/3p)j isotherm derivative, MPa»m^/kg (9^P/8T^)^ isochore curvature, MPa/K^ a,3,Y,ri nonlinear parameters in the equation of state a,b,c,d,e,f coefficients defined in various equations

Aq ~ ^ saturated vapor density equation ^c Aj coefficients defined in various equations b (1 - B) + (1 - 3)^''^ in equation of state

B(p),C(p) density-dependent coefficients in the equation of state B(T),C(T) second and third virial coefficients Bp(T),Cp(T) reduced second and third virial coefficients c exponent in Simon equation

Cy(p,T) molal heat capacity at constant volume, J/(mol»l()

Cp(p,T) molal heat capacity at constant pressure, J/(mol'K) C^(T) molal heat capacity for saturated liquid, J/(mol»K)

CMF CI ausius-Mossotti function, cm-^/mol E(p,T) the internal energy, J/mol E° 22,644.306 J/mol (arbitrary) e exponent in various equations e dielectric constant f/P fugacity/pressure ratio f(p) used in definition of e(p) f(T) defined in saturated vapor density equation

F(p,T) defined in the equation of state

F(Z) defined in the saturated vapor density equation G(p,T) Gibbs free energy, J/mol

H° enthalpy for ideal gas state at T = 0 23 APPENDIX A. (Continued) H(p,T) the enthalpy, J/mol

J the jou1 e, 1 N 'in JT Joule-Thomson

L the liter, 10"^ n? mo] 58.1243 grams of normal butane (C^'^ = 12 scale)

'jL)(p,T) defined in the equation of state

P ' pressure, MPa melting pressure, MPa P^(T) the vapor pressure, MPa

P^(p) - P^[T^(p)], vapor pressure as a function of density n(T) Pa(T)/''c $(p,T) function in the equation of state

^{PiJ) function in the equation of state vaporization, J/mol Qygp ^^vap' ^^^^ r(^) ^ the gas constant, 8.3145 J/(mol*K), 0.0083145 MPa'L/(mol 'K)

R* 0. 00831 45 'Pc, MPa/K p density, kg/m-^ p^ p/Pq, density reduced at the critical point density reduced at the triple point Pp ^ P/Pf S(p,T) the entropy, J/(mol'K)

T temperature, K Tq constant

T/Tq, temperature reduced at the critical point

T^(p) liquid-vapor coexistence temperature, K

(T(j) T^(p)/T^, reduced temperature at coexistence for the equation r of state e(p) defined locus of temperatures u(T) defined in various equations

V 1/p, molar volume, m^/kg W(p,T) the velocity of sound, m/s x(T) (T^ - T)/(Tc - T^) Xo(T) T/lOO

Z compressibility factor

The gas constant is increased slightly in value from earlier work in view of the recent report of Rowlinson and Tildesley [60].

24 APPENDIX B. Conversion of Units

In the following table the molecular weight of normal butane is given by mol . wt. 58.1243 g/mol . Also, 1 cal 1 cal (thermocheinical ) = 4.184 J th and 1 BTU = 1 BTU (International Table) = 1055.056 J. IT To convert from To Multiply by

Pressure, MPa bar 10. atm 9.85923 kg/cm^ 10.1972 Ib/in- 145.038

Volume, m"^ liter (L) 1000.

ft^ 35.3147

Density, kg/m"^ g/cm^ 0.001

mol/L 1 ./(mol . wt .) Ib/ft^ 0.062428

Molar energy, J/mol MPa»m^/kg 0.001/(mol . wt.)

bar»L/mol 0.01

calj-u/mol 0.239006 'th

BTUij/lb 0.429923/(mol . >/rt.)

Molar entropy, J/(mol«K) BTUij/(lb-°F) 0.238846/(mol . wt.)

25 APPENDIX C. Fixed-Point Values for Normal Butane

Critical Point

?^ = 3.7960 MPa = 227.85 kg/m3 (3.92 mol/L)

= 425 .16 K

Normal Boiling Point

P = 0.101325 MPa

T = 272.638 K

Py = 2.709 kg/m^ (0.04661 mol/L)

p^ = 501 .09 kg/in^ (10.341 mol/L)

Triple Point

P^ = 6.7358 X lO"'' MPa

= 134.86 K

Py = 3.4915 X 10"^ kg/m^ (6.0071 x 10"^ mol/L)

p^ = 735.27 kg/m3 (12.650 mol/L)

26 APPENDIX D. Normal Butane Properties Reference Index Melting Line Date Pressure Range, MPa

Reeves [59] 1964 200 - 1000

Vapor Pressures Date Temperature Range, K

Seibert [66] 1915 303 - 403

Dana [19] 1926 255 - 331

Delaplace [22] 1937 135 - 151

Sage [64] 1937 294 - 394

Beattie [2] 1939 348 - 423

Aston [1] 1940 195 - 273

Kay [44] 1940 325 - Tc Wackher [74] 1945 205 - 279 Tickner [71] 1951 136 - 196

Connolly [15] 1962 344 - Tc

Hi rata [39] 1966 333 - 401

Carruth [11] 1973 135 - 213 Thermal loops (This report) 1982

Saturated Liquid Densities Date Temperature Range, K

Dana [19] 1926 273 - 329

Coffin [13] 1928 239 - 306

Van der Vet [73] 1937 283 - 323

Sage [64] 1937 294 - 394

Kay [44] 1940 325 - T^

Benoliel [6] 1941 213 - 293

Carney [10] 1942 228 - 333

NGAA [69] 1942 227 - 333

Olds [51] 1944 311 - 411

Foehr [24] 1949 293 Connolly [14] 1956 293 - 298

Sliwinski [67] 1969 283 - 368

Kahre [42] 1973 289 - 328 McClune [49] 1976 143 - 173 Haynes [36,37] 1976 135 - 300

Orrit [53] 1978 135 - 275

27 APPENDIX D. (Conti nued)

Saturated Vapor Densities Date Temperature Range, K

Dana [19] 1926 281 - 321

Sage [64] 1937 294 - 394

Kay [44] 1940 325 - Tr

Olds [51] 1944 311 - 411

Sliwinski [67] 1969 283 - 368

Virial/vapor pressure equations (This 1982 135 - 270 report)

Virial Coefficients Date Temperature Range, K

Sage [64] 1937 311 - 394

Beattie [3] 1939 423 - 573

Kay [44] 1940 311 - 589

Beattie [4] 1942 423 - 573

Olds [51] 1944 311 - 511

Kretshmer [45] 1951 303

Gunn [33] 1958 344 - 511

Connolly [15] 1962 344 - 444

McGlashan [50] 1962 296 - 413

Tripp [72] 1962 283 - 323

Kapallo [43] 1963 244 - 321

Bottomley [8] 1964 273 - 426

Jones [41] 1967 368 - 498

St rein [68] 1971 296 - 498

Bottomlev [7] 1977 316 - 580

Compressibility Data Date Range of T, K Range of P, MPa

Sage [64] 1937 294 - 394 0.1 - 20.7

Beattie [3] 1939 423 - 573 1.5 - 36.3

Kay [44] 1940 311 - 589 0.2 - 8.3

Olds [51] 1944 311 - 511 0.07 - 68.9

Haynes [35] 1981 140 - 300 1.7 - 36.1

Virial equation (This 1982 300 - 700 0.2 - 0.6 report)

28 APPENDIX D (Continued)

Specific Heats Date Type Range of T, K

Dana [19] 1926 Ca(T) 257 - 294

Huffman [40] 1931 Ca(T) 140 - 252

Sage [65] 1937 Cp(T) 294 - 411

Aston [1] 1940 Co(T) 140 - 268

Dailey [18] 1943 CO(T) 345 - 693 Chen [12] 1975 C°(T) Spectroscopic

Heats of Vaporization Date Temperature Range, K

Dana [19] 1926 275 - 297

Sage [64] 1937 294 - 394 Das [20] 1967 273 - 420

Das [21] 1973 280 - 420

Thermal loops (This report) 1982 T^ - 270

Clapeyron equation (This report) 1982 140 - 420

Sound Velocities Date Temperature Range, K

Rao [58] 1971 143 - 268

Dielectric Constants Date Temperature Range, K

Sliwinski [67] (index of refraction) 1969 283 - 368 Thompson [70] 1980 228

Luo [47] 1981 220 - 289 Haynes [35,38] 1981 135 - 303

29 )

APPENDIX E. Computer Program

PROGRAM NBTHRMB ( INPUT, OUTPUT)

C REVISION OF NBUTANE THERMOFUNCTIONS , RDG/NBS, START MAR. 26, 1981.

COMMON GK,GKK, Bl ,B2 ,B3 ,B4 ,B5 , C1,C2,C3, E1,E2,E3, ER, IX

COMMON/l/AL , BE ,GA,DE , EP , ET , DCRT ,TCRT ,PCRT , DGAT ,DTRP ,TTRP , PTRP C0MM0N/3/DPDT,D2PDT2,DPSDT,DPMDT,DPDD,DPDR,DTSDR,DTHDR,DDSDT C0MM0N/4/XBl,XB2, XC1,XC2, XE1,XE2, DXBDR ,DXCDR ,DXEDR COMMON/6/ TSAT, THETA, PSAT

. COMMON/8/ IN, IK, P,T,DEN, E,H,S, CV,CP,CSAT, W,WK COMMON /9/ DNG,EG,HG,SG, CVG,CPG,WG, DPGDT,DPGDD COMMON/11/ DELS, DELCV C0MM0N/12/ZCRT,ZCALC,DZDT, ZSAT,DZSDT, ZFX, FRT,DFRTDT COMMON/21/ TPS(70)

- COMMON/95/ PIS, DIS, DPTIS, DPDIS COMMON/99/ TI,EZZ, EZ,SZ,CVZ, HZ,CPZ

. DIMENSION HZA(70), SZA(70), PP(99) DATA (WM=58. 1243) ,(PA=1. 01325) ,(GJ=8. 3145) 1 FORMATdS, 2F10.0) 2 F0RMAT(I5, 3F10.0) 3 F0RMAT(8I10) 5 FORMAT (IX) 9 F0RMAT(8F10.0) * =* 14 FORMATdHl 13X NBUTANE ISOBAR AT P F10.6, 4H MPA / ) 16 FORMAT( 9X1HT 8X3HDEN 9X3HDEN 8X1HZ 5X5HDP/DT 5X5HDP/DD 2 8X1HE 8X1HH 8X1HS 6X2HCV 6X2HCP 9X3HF/P 5X1HW 4X5HDIEL. / 3 9X1HK 6X5HM0L/L 7X5HKG/M3 9X 5X5HMPA/K 1X9HMPA-M3/KG 4 4X5HJ/M0L 4X5HJ/M0L 2X7HJ/M0L/K 1X7HJ/M0L/K 1X7HJ/M0L/K

5 12X 1X5HM/SEC 4X5HC0NST ) 17 FORMATdX F9.3, Ell. 4, E12.5, F9.5, F10.6, F10.5, 1 2F9.1, F9.3, 2F8.2, E12.5, 16, F9.5)

20 F0RMAT(1H116X*TEST IDEAL FNCTNSV17X 3HT,K 7X3HHZA 7X3HSZA ) 21 FORMATdOX F10.2, FlO.l, F10.3) 80 CALL PVTDATA CALL PEEK $ CALL ISOTHRM C COMPUTE THERMOFUNCTIONS ON ISOBARS. START ON THE MELTING LINE. C NOTE, ISOBAR P=PCRT OK, BUT ISOTHERM T=TCRT IS EXCLUDED. C ISOBARS AT P UNDER PORT TRAVERSE THE DOME. C NOTE USE OF QVAP ,DATA, TO CROSS THE ,DOME,. C NOTE USE OF CSAT ,DATA, FOR SPECIFIC HEATS IN COMPRESSED LIQUID. C NOTE TPS(IK) USED BY COMPRES. C GET FUGACITIES, F/P, VIA H,S, HZ{T),SZ(T). (J. F.ELY). C SAVE HZA(70), SZA(70) FROM 90 THRU 700 K. 85 DO 86 J=9,70 $ TI = 10*J $ CALL IDEAL $ HZA(J) = HZ 86 SZA(J) = SZ C 87 PRINT 20 $ DO 88 J=9,70 $ T = 10*J C 88 PRINT 21, T, HZA(J), SZA(J) 89 CALL JTLOCUS $ CALL TABLIQ = = = 90 IN 1 $ NI 57 $ READ 9, ( PP( I ) , 1 1 , NI 91 DO 300 I=IN,NI $ IK = I $ LS = 0 92 P = PP(I) $ IF(I.EQ.26) P = PORT 93 PK = P/IO $ PRINT 14, PK $ PRINT 16 100 T = FINDTMF(P) $ CALL COMPRLQ $ V=1/DEN $ IW=W 101 Z = P/DEN/GKK/T $ DIE = DIELF{DEN ,T,P) 102 TI = T $ CALL IDEAL $ GIB = H-EZZ-HZ - T*(S-SZ) 103 XP = EXP(GIB/GJ/T) $ FOP = XP*PA/P $ CALL CON 30 104 PRINT 17, T,DEN,DIS,Z, DPTIS,DPDIS, E,H,S,CV,CP, FOP, IW, DIE 105 IT = T/10 $ IF(P.LT.PCRT) 110,180 C CASES FOR P LESS THAN PORT. 110 TPS(IK) = TS = FINDTSF(P) $ K = L = 0 111 DO 150 J=l,99 $ T = JT = 10*(IT+J) 112 IF{T.LT.TS) 113,117 113 CALL COMPRES $ V = 1/DEN $ IW = W 114 Z = P/DEN/GKK/T $ DIE = DIELF( DEN ,T,P) M =JT/10 $ GIB = H-EZZ-HZA(M) - T*(S-SZA(M)) XP = EXP(GIB/GJ/T) $ FOP = XP*PA/P % CALL CON 115 PRIUT 17, T,DEN,DIS,Z, DPTIS,DPDIS, E,H,S,CV,CP, FOP, IW, DIE 116 GO TO 150 117 LS = LS + 1 $ IF{LS.EQ.l) 120,130 C CASE FOR SATURATED LIQUID AND VAPOR. 120 T = TS $ CALL COEXIST $ V=1/DEN $ VG=1/DNG $ IW=W $ IWG=Wn 121 Z = P/DEN/GKK/T $ ZG = P/DNG/GKK/T 122 DIEL = DIELF(DEN,T,P) $ DIEG = DIELF(DNG,T,P) 123 TI = T $ CALL IDEAL $ GIB = H-EZZ-HZ - T*(S-SZ) 124 FOP = EXP(GIB/GJ/T)*PA/P $ CALL CON 125 PRINT 17, T,DEN,DIS,Z, DPTIS,DPDIS, E,H,S,CV,CP, FOP, IW, DIEL 126 PRINT 5 $ DIS=DNG*WM $ DPTIS=DPGDT/10 $ DPDIS = DPGDD/IO/WM 127 PRINT 17, T, DNG,DIS,ZG,DPTIS, DPDIS, EG, HG,SG,CVG,CPG, FOP, IWG, DIEG 128 T = JT C CASES FOR THE HOMOGENEOUS DOMAIN. 130 IF(JT.GT.500) 131,132 131 K = K+1 $ T = JT = JT + 10*K $ IF{ JT .GT .700) 300,132 132 CALL GENIUS $ V=1/DEN $ IW=W $ Z = P/DEN/GKK/T 133 IF(T.GT.450) 134,135 134 DIE = 0 $ GO TO 136 135 DIE = DIELF{DEN,T,P) 136 M =JT/10 $ GIB = H-EZZ-HZA(M) - T*(S-SZA(M)) 137 XP = EXP{GIB/GJ/T) $ FOP = XP*PA/P $ CALL CON 141 PRINT 17, T,DEN,DIS,Z, DPTIS, DPDIS, E,H,S,CV,CP, FOP, IW, DIE 150 CONTINUE C FOR P.GE.PCRT, CASES FOR T.LT.OR.T.GT.TCRT. 180 TPS(IK) = TCRT $ K = L = 0 181 DO 250 J=l,99 $ T = JT = 10*(IT+J) 182 IF(T.LT.TCRT) 190,210 C CASE A FOR T LESS THAN TCRT. 190 CALL COMPRES $ V = 1/DEN $ IW = W 191 Z = P/DEN/GKK/T $ DIE = DIELF(DEN,T,P) 192 M =JT/10 $ GIB = H-EZZ-HZA(M) - T*(S-SZA(M)) 193 XP = EXP{GIB/GJ/T) $ FOP = XP*PA/P $ CALL CON 194 PRINT 17, T,DEN,DIS,Z, DPTIS, DPDIS, E,H,S,CV,CP, FOP, IW, DIE 195 GO TO 250 C CASE FOR T ABOVE TCRT, HOMOGENEOUS DOMAIN. 210 IF(JT.GT.500) 211,220 211 K = K+1 $ T = JT = JT + 10*K $ IF(JT.GT.700) 300,220 220 CALL GENIUS $ V=1/DEN $ IW=W $ Z = P/DEN/GKK/T 221 IF(T.GT.450) 222,223 222 DIE = 0 $ GO TO 224 223 DIE = DIELF(DEN,T,P) 224 M =JT/10 $ GIB = H-EZZ-HZA(M) - T*{S-SZA(M)) 225 XP = EXP(GIB/GJ/T) $ FOP = XP*PA/P $ CALL CON

31 226 PRINT 17, T,DEM,DIS,Z, DPTIS,DPDIS, E,H,S,CV,CP, FOP, IW, DIE 250 CONTINUE 300 CONTINUE 999 STOP $ END

SUBROUTINE COEXIST C GIVE^^: T AT COEXISTENCE, GET BOTH VAPOR AND LIQUID FUNCTIONS. C FOR VAPOR, GET DNG,EG,HG,SG, CVG,CPG,WG, DPGDT,DPGDD, - C FOR LIQUID, GET DEN,E,H,S, CV,CP,CSAT,W. DPDT,DPDD. C COEXIST CALLED BY COMPRLQ. P NOT USED, MUST NOT CHANGE. C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT,TCRT,PCRT, DGAT ,DTRP ,TTRP ,PTRP C0MM0N/3/DPDT ,D2PDT2 ,DPSDT ,DPMDT ,DPDD ,DPDR ,DTSDR ,DTHDR ,DDSDT COMMON/8/ IN, IK, P,T,DEN, E,H,S, CV,CP,CSAT, W,WK C0MM0N/9/DNG,EG,HG,SG, CVG,CPG,WG, DPGDT,DPGDD COMMON/11/ DELS, DELCV COMMON/99/ TI,EZZ, EZ,SZ,CVZ, HZ,CPZ

DATA (Q=l. 01325) , (0=0.083145) * 1 FORMAT! IHO 9X *T EXCEEDS TCRT IN COEXIST. / ) 2 IF(T.GT.TCRT) 3,4 3 PRINT 1 $ STOP 4 PS = PSATF(T) $ DNG = DB = DENGASF(T) 5 TI = T $ CALL IDEAL $ M=15 $ DA=L=0 6 EG = EZZ + EZ + EDELF(L,M,T,DA,DB) $ HG = EG + 100*PS/DB 7 SG = SZ + DELS - 100*G*AL0G(Gn*DB/Q) 8 IF(T.EQ.TCRT) 9,11 9 PX = PVTF(T,DB,1) $ DPGDT = DPDT $ DPGDD = DPDD 10 CPG = CVG = WG = 0 $ GO TO 15 11 CVG = CVZ + DELCV $ PX = PVTF(T,DB,1) 12 CPG = CVG + 100*T/DPDD*(DPDT/DB)**2 $ WG = SQRT( WK*CPG*DPDD/CVG) 13 DPGDT = DPDT $ DPGDD = DPDD C NOW TRAVERSE THE ,DOME, USING QVAP ,DATA,. 15 DEN = DL = DENLIQF(T) $ DDLDT = DDSDT $ QV = QVAPXF{T) 15 H = HG - QV $ S = SG - QV/T $ E = H - 100*PS/DL C THIS RETURN AT 16+ USED ONLY WHEN CALLING SSATFIT, HSATFIT. 17 IF{T.EQ.TCRT) 18,19 18 PX = PVTF(T,DL,1) $ CP=CV=CSAT=W=0 $ RETURN 19 CSAT = CSATXF(T) $ PX = PVTF(T,DL,1) 22 CV = CSAT + 100*T*DPDT*DDLDT/DL/DL 23 CP = CV + 100*T/DPDD*(DPDT/DL)**2 30 W = SQRT(WK*CP*DPDD/CV) $ RETURN $ END

SUBROUTINE COMPRES C SAVES COMPUTER TIME INTEGRATING COMPRLIQ AT T.LT.TCRT. C FOR T = INTEGER MULTIPLES OF 10 K. FIRST ISOBAR USES COMPRLQ. C FOR SUCCEEDING ISOBARS, START ON PREVIOUS ISOBAR, EXCEPT - C AT TEMPS GE TPS(IK-l) ON PREVIOUS ISOBAR, MUST USE COMPRLQ.

C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT , TCRT , PORT , DGAT ,DTRP ,TTRP ,PTRP C0MM0N/3/DPDT,D2PDT2,DPSDT,DPMDT, DPDD, DPDR,DTSDR,DTHDR, DDSDT COMMON/8/ IN, IK, P,T,DEN, E,H,S, CV, CP, CSAT, W,WK COMMON/11/ DELS, DELCV COMMON/21/ TPS(70) DIMENSION DK(50) ,EK{50) ,SK{50) ,CK(50) * 1 FORMAT! IHO 9X *T G.E. TCRT IN COMPRES. / ) 2 IF(T.GE.TCRT) 3,4

32 3 PRINT 1 $ STOP 4 J = T/10 $ IF(T - 10*J) 5,6 5 CALL COMPRLQ $ RETURN 6 IF(IK.EQ.IN) 7,9 7 CALL COMPRLQ 8 DK{J)=DEN $ EK(J) = E $ SI<{J)=S $ CK(J)=CV $ RETURN C INTEGRATE FROM OLD DEN TO NEW DEN ON GIVEN ISOTHERM -

C EXCEPT IF T EXCEEDS OLD TMAX , USE COMPRLQ. 9 IF(T.GE.TPS(IK~1)) GO TO 7 10 DA=DK(J) $ DK(J) = DEN = DB = FINDENF{T,P) $ N = 13 11 EK(J) = E = EK(J) + EDELF(1,N,T,DA,DB) $ H = E + 100*P/DB 12 SK{J) = S = SK(J) + DELS $ CK(J) = CV = CK(J) + DELCV C GET NEW DP/DT, DP/DD, CP, W. 15 PX = PVTF{T,DB,1) $ CP = CV + 100*T/DPDD*(DPDT/DB)**2 30 W = SQRT(WK*CP*DPDD/CV) $ RETURN $ END

SUBROUTINE COMPRLQ C GIVEN P,T FOR COMPR.LIQ. AT T.LT.TC, GET DEN AND FUNCTIONS. C REVISED TO USE HSATF, SSATF, CSATXF, BUT NOT COEXIST. TIMESAVER. C INTEGRATE ALONG ISOTHERM T FROM SATLIQ UP TO POINT (P,T). C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT,TCRT,PCRT, DGAT ,DTRP ,TTRP ,PTRP C0MM0N/3/DPDT,D2PDT2,0PSDT,DPMDT,DPDD,DPDR,DTSDR,DTHDR,DDSDT COMMON/8/ IN, IK, P,T,DEN, E,H,S, CV,CP,CSAT, W,WK COMMON/11/ DELS, DELCV 1 FORMAT! IHO 9X *T NOT UNDER TCRT IN COMPRLQ.*/) 2 IF{T.GE.TCRT) 3,4 3 PRINT 1 $ STOP C GET PSAT, DENLIQ, AND SATLIQ FUNCTIONS FOR START. 4 PS = PSATF(T) $ DL = DENLIQF{T) $ DDLDT = DDSDT 6 HS = HSATF(T) $ ES = HS - 100*PS/DL $ SS = SSATF(T) C 7 IF(T.GT.340) 8,9 C 8 CVS = CVSATF(T) $ GO TO 10 9 PX=PVTF(T,DL,0) $ CVS = CSATXF{T) + 100*T*DPDT*DDLDT/DL/DL C INTEGRATE UP TO POINT (P,T). 10 DB = FINDENF(T,P) $ DX = DB - DL $ IF(DX.GT.O) 11,20 11 M = 14 $ E = ES + EDELF(1,M,T,DL,DB) 12 H = E + 100*P/DB $ S = SS + DELS $ CV = CVS + DELCV 13 PX = PVTF{T,DB,1) $ CP = CV + 100n/DPDD*( DPDT/DB)**2 14 W = SQRT(WK*CP*DPDD/CV) $ DEN = DB $ RETURN 20 DEN=DL $ E=ES $ H=HS $ S=SS $ CV=CVS $ PX = PVTF{T,DL,1) 21 CP = CV + 100*T/DPDD*{DPDT/DL)**2 $ W = SQRT( WK*CP*DPDD/CV) 30 RETURN $ END

SUBROUTINE CON C CONVERT TO SI UNITS FOR P, DEN, DP/DT, DP/DD,

C0MM0N/3/DPDT ,D2PDT2 , DPSDT ,DPMDT , DPDD ,DPDR , DTSDR , DTHDR , DDSDT COMMON/8/ IN, IK, P,T,DEN, E,H,S, CV,CP,CSAT, W,WK COMMON/95/ PIS, DIS, DPTIS, DPDIS DATA (WM = 58.1243) 1 PIS = P/10 $ DIS = DEN*WM 2 DPTIS = DPDT/10 $ DPDIS = DPDD/IO/WM 9 RETURN $ END

FUNCTION CSATXF (T)

33 ) .

C NBUTANE SATLIQ CSAT, J/MOL/K. C CONSTRAINED AT TRIPLE AND CRITICAL POINTS.

C Y # (S-SCRT)/{STRP-SCRT) , X # ( TC-T) /( TC-TT)

C Y = X + (XE-X)*(A1 + A2*X + A3*X2 + . . . ). DIMENSION AS(6) DATA {NFS=6) ,(ES=0.23) ,(TTRP=134.86) ,{TCRT=425.16) DATA (STRP = 133. 54372), (SORT = 297.64652) DATA (AS = 0.08883444348, -0.3470304947, 0.2093724392, 1 -0.9568328496, 0.9579992545, -0.6534607056) * 1 FORMATdHO 9X *CSATXF, T.GT.TCRT. / ) 2 IF(TCRT-T) 3,4,5 3 PRINT 1 $ STOP 4 CSATXF =0 $ RETURN 5 XN=TCRT-TTRP $ X = (TCRT-T)/XN $ DXDT = -1/XN $ SN=STRP-SCRT 6 XE = X**ES $ V = XE -X $ VI = ES*XE/X - 1 7Z1=Z=0 $ DO 9 K=1,NFS $ L=K-1 $ XL= X**L 8 Z = Z + AS(K)*XL $ Zl = Zl + L*AS{K)*XL/X 9 CONTINUE $ DSDT = SN*(1 + V*Z1 + V1*Z)*DXDT 10 CSATXF = T*DSDT $ RETURN $ END

FUNCTION DELTAF(T,D) C GET (T*DP/DT - D*DP/DD) FOR THE J-T INVERSION CURVE. C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT ,TCRT ,PCRT, DGAT ,DTRP ,TTRP ,PTRP C0MM0N/3/DPDT,D2P0T2,DPSDT,DPMDT,DPDD,DPDR,DTSDR,DTHDR,DDSDT 1 IF(T-TCRT) 2,4,4 2 DL - DENLIQF(T) $ IF{D-DL) 3,3,4 3 DELTAF = l.OE+100 $ RETURN 4 P = PVTF(T,D,1) 5 DELTAF = ABS (T*DPDT-D*DPDD) $ RETURN $ END

FUNCTION DENGASF(T) C DESIGNED FOR ZSAT = 1 AT LOW DENSITIES, 5/29/77. C USE ZSAT # PS/DS/GK/TS WITH VAPOR PRESSURES, AND ZCRT. C Z = 1 + (ZCRT-1)*PI*F(X)/X/X.

C F(X) # 1 + A1*UE + A2*U + A3*EXP( EGX*{ 1-1/U) ) C NOTE ZSMl FOR FUGACTY, NOT IN COMMON HERE.

C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT ,TCRT , PORT , DGAT ,DTRP ,TTRP ,PTRP C0MM0N/3/DPDT,D2PDT2,DPSDT,DPMDT,DPDD,DPDR,DTSDR,DTHDR,DDSDT C0MM0N/12/ZCRT,ZCALC,DZDT, ZSAT,DZSDT, ZFX, FRT,DFRTDT DIMENSION AV(3) DATA (EG=0.35) ,{ EGX=2. 30) ,( GKK=0 .083145 DATA(AV = -0.8665772894, 1.120397967, 4.498658942)

1 FORMATdHO 9X *T EXCEEDS TC IN DENGASF. * / ) 2 IF(TCRT-T) 3,4,5 3 PRINT 1 $ STOP 4 DENGASF = DCRT $ DDSDT = l.OE+10 $ RETURN 5 ZN = ZCRT-1 $ PC = PORT $ P = PSATF(T) 6 PI = P/PC $ PIT = DPSDT/PC $ TC = TCRT $ X = T/TC 7 X2 = X*X $ U = 1-X 8 UE = U**EG $ UEl = -EG*UE/U 9 EGXU = EGX*(1-1/U) $ IF(EGXU.LT.-270) 10,11 10 XP = XPl = 0 $ GO TO 12 11 XP = EXP(EGXU) $ XPl = -EGX*XP/U/U 12 F = 1 + AV(1)*UE + AV(2)*U + AV(3)*XP $ ZFX = F

34 .

13 Fl = AV(1)*UE1 - AV(2) + AV(3)*XP1 15 ZSMl = ZN*PI*F/X2 $ ZSAT = Z = 1 + ZSMl $ ZCALC = Z 16 DZSDT = DZDT = {PI*( F1-2*F/X)/TC + F*PIT)*ZN/X2 17 DENGASF = P/T/Z/GKK 18 DDSDT = (DPSDT - P/T - P*DZDT/Z) /T/Z/GKK $ RETURN $ END

FUNCTION DENLIQF(T) C NBUTANE SAT. LIQUID DEN, MOL/L, (DCRT=3.92), RDG, I^IAR. 19, 1981. C DEN = DCRT + YNL*(X + (XE-X)*Y), YNL # DTRP - DCRT. C Y # Al + A2*X + A3*X2 + A4*X3. C0MM0N/3/DPDT,D2PDT2, DPSDT, DPMDT,DPDD,DPDR,DTSDR,DTHDR, DDSDT DIMENSION AW(3) DATA (EL=0.35) ,(NFL=3) DATA (TTRP=134.86) ,(TCRT=425.16) ,(DCRT=3.92) ,(DTRP=12.65) DATA(AW = 0.794388335, -0.001089476, -0.085829197) = * 1 FORMATdHO 9X *DENLIQF 0, T EXCEEDS TCRT. / ) 2 IF(TCRT-T) 3,4,5 3 PRINT 1 S STOP 4 DENLIQF = DCRT $ DDSDT = -l.OE+10 $ RETURN 5 XN=TCRT-TTRP $ X=(TCRT-T)/XN $ X2 = X*X $ DXDT = -1.0/XN 6 XE = X**EL $ U = XE - X $ Ul = EL*XE/X - 1 7Y1-Y=0 $ DO 9 K=1,NFL $ L = K-1 $ XL = X**L 8 Y = Y + AW(K)*XL $ Yl = Yl + AW(K)*L*XL/X 9 CONTINUE $ YNL = DTRP - DCRT 11 DENLIQF = DCRT + YNL*(X + U*Y) 12 DDSDT = YNL*(1 + U*Y1 + U1*Y)*DXDT $ RETURN $ END

FUNCTION DIELF(D,T,P) C NBUTANE CONSTS., RDG, OCT. 14, 1980, VIA HAYNES DATA. C CM,RMSPCT = 0.083, E,RMSPCT = 0.017. C CM = Al + A2*R + A3*R2 + A4/X + A5*PI. DIMENSION A(5) DATA (DCRT=3.92) ,{TCRT=425.16) DATA(A = 20.654382, 0.25129317, -0.097230479, 1 -0.039216489, -0.011645515) 1 R = D/DCRT $ X = T/TCRT $ G = 1/X $ PI = P/100 2 CM = A(l) + A(2)*R + A(3)*R*R + A(4)*G + A{5)*PI 3 Z = CM*D/1000 $ DIELF = (2*Z+1 )/( 1 .0-Z) 5 RETURN $ END

FUNCTION EDELF(L,M,T,DA,DB) C GET CHANGE OF E, S, CV WITH DENSITY ALONG ISOTHERMS. C GET EDELF, DELS, DELCV FROM DA TO DB ON ISOTHERM T. C ROMBERG NUMERICAL INTEGRATION VIA - C CARNAHAN/LUTHER/WILKES, APPLIED NUMERICAL METHODS, P. 90, C JOHN WILEY AND SONS, INC., N.Y., 1969. C NOTE, VALUE OF LD CONTROLS CONVERGENCE LIMITS. C NOTE, NMAX = M, NK = FINAL, TOTAL SUBDIVISIONS OF INTERVAL DX C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT, TCRT, PORT, DGAT ,DTRP ,TTRP ,PTRP C0MM0N/3/DPDT,D2PDT2, DPSDT, DPMDT,DPDD,DPDR,DTSDR,DTHDR, DDSDT COMMON/11/ DELS, DELCV C0MM0N/12/ZCRT, ZCALC, DZDT, ZSAT, DZSDT, ZFX, FRT,DFRTDT DIMENSION E(20), S(20), C(20)

DATA (LD=2) ,(DI=0. 00001) , (0=0.083145)

35 )

1 F0RMAT(1H09X*EDELF L =*I2,5H, N =13, 5H, T = F8.3,6H, DA =E10.4, 1 6H, DB =E10.4, 6H, LD =12//

2 lOX IHN 7X5HEDELF 8X4HDELS 7X5HDELCV ) 2 FORMATdHO 9X 6HEDIF =F10.3, 8H, SDIF =F10.5, 9H, CVDIF =F10.3) 3 F0RMAT(6X 15, F12.3, F12.5, F12.3) 4 FORMATdHO 9X *EOELF NG AT TCRT FOR CV AT DEN NEAR OR GT CP.*/) C FOR DA=0 AND DB.LE.DI, IDEAL GAS, EDELF=DELS=DELCV=0. C FOR DA=0 AND DB.GT.DI, START ROMBERG WITH DA = DI, - C TO AVOID INFINITIES IN ORDINATE FUNCTIONS AT DA = 0. 5 NK = 1 $ DM = DCRT/2 $ DZ = 0.98*DCRT 9 ZK = 1.0 - 1/ZCRT $ RK = 100*GnCRT/DCRT 10 IF(L.EQ.O) 11,14 11 IF(DB.LE.DI) 12,13 12 EDELF = DELS = DELCV =0 $ RETURN 13 DA = DI C GET FIRST TRAPEZOID AREA, E(l) ETC., FROM DA TO DB. 14 DX = DB - DA $ P = PVTF(T,DA,0) $ IF(DA,LT.DM) 16,17 16 EA - RK*(ZK*ZSAT*ZFX + FRT - T*DFRTDT) $ GO TO 18 17 EA = 100*(P-T*DPDT)/DA/DA 18 IF{L.EQ.O) 19,20 19 SA = -RK*DFRTDT $ GO TO 21 20 SA = -100*DPDT/DA/DA 21 CA = -100*T*D2PDT2/DA/DA 22 P = PVTF(T,DB,0) $ IF{DB.LT.DM) 23,24 23 EB = RK*(ZK*ZSAT*ZFX + FRT - T*DFRTDT) $ GO TO 25 24 EB = 100*(P-T*DPDT)/DB/DB 25 IF(L.EQ.O) 26,27 26 SB = -RK*DFRTDT $ GO TO 28 27 SB = -100*DPDT/DB/DB 28 CB = -100*T*D2PDT2/DB/DB 29 E(l)=(EA+EB)*DX/2 $ S(l)=(SA+SB)*DX/2 $ C(l)=(CA+CB)*DX/2 C INTERVAL HALVING, GET E(N+1), ETC. 30 DO 60 N=1,M $ K = N + 1 31 JM = 2**N - 1 $ DXN = DX/2**N $ E(K) = S(K) = C(K) = 0 33 DO 45 J=1,JM,2 $ NK = NK+1 $ DN = DA + J*DXN 34 P = PVTF(T,DN,0) $ IF(DN.LT.DM) 35,36 35 EB = RK*(ZK*ZSAT*ZFX + FRT - T*DFRTDT) $ GO TO 37 36 EB = 100*{P-T*DPDT)/DN/DN 37 IF{L.EQ.O) 38,39 38 SB = -RK*DFRTDT $ GO TO 40 39 SB = -100*DPDT/DN/DN 40 CB = -100*T*D2PDT2/DN/DN 41 E(K) = E(K) + EB $ S(K) = S(K) + SB $ C(K) = C(K) + CB 45 CONTINUE $ E(K) = E{N)/2 + E(K)*DXN 46 S{K) = S(N)/2 + S(K)*DXN $ C(K) = C{N)/2 + C(K)*DXN C C TEST FOR CONVERGENCE.

50 ED=ABS{E(K)-E(N)) $ SD=ABS( S(K) -S( N) ) $ CD=ABS(C(K)-C(N) 53 IF(ED.LT.0.4/LD) 54,60 54 IF(SD.LT.0.002/LD) 55,60 55 IF(T.EQ. TCRT. AND. DB.GT.DZ) GO TO 57 56 IF(CD.LT.0.04/LD) 57,60 57 EDELF = E{K) $ DELS = S(K) $ DELCV = C(K) $ RETURN 60 CONTINUE $ N = M $ NM = N-1 $ NP = N+1

36 61 PRINT 1, L, N, T, DA, DB, LD

62 PRINT 3, NM,E(NM) ,S(NM) ,C(NM) $ PRINT 3, N ,E( N) , S( N ) ,C( N) 64 PRINT 3, NP,E(NP) ,S{NP) ,C(NP) $ PRINT ?., ED, SD, CD 99 STOP $ END

FUNCTION FIMDENF(T,P) C ON ISOTHERM T, FIND DEN, MOL/L, TO MINIMIZE (P-PC) VIA EQNSTATE. C0MM0N/1/AL,BE,GA,0E,EP,ET, DCRT,TCRT,PCRT, DGAT ,DTRP ,TTRP ,PTRP C0MM0N/3/DPDT,D2PDT2,0PSDT,DPMDT,DPDD,0PDR,DTSDR,DTHDR,D0SDT DATA (GKK = 0.083145) * 41 FORMATdHO 9X *FINDENF = 0, FAILS TO CONVERGE. / ) = * 42 FORMATdHO 9X *FINDENF DCRT, DP/DR ZERO OR NEG. / ) = * 43 FORMATdHO 9X *FINDENF 0, DOUBLE-VALUED AT P = PSAT. / ) DM = 1.05*DTRP IF(P.GT.O) 1,35 1 IF(T-TCRT) 2,5,8 2 DG=DENGASF(T) $ DL=DENLIQF(T) $ PS=PSATF(T) $ IF{P-PS) 3,32,4 3 D = DG/2 $ GO TO 11 4 D = (DL+DTRP)/2 $ GO TO 11 5 DG=DL=DCRT $ PS=PCRT $ IF(P-PS) 6,33,7 6 D = DCRT/2 $ GO TO 11 7 D = 2*DCRT $ GO TO 11 8 IF(T.LT. 450.0) 9,10 9 PC = PVTF(T,DCRT,0) $ IF{P-PC) 6,33,7 10 D = DCRT 11 DO 30 J=l,50 $ DP=P-PVTF{T,D,1) $ IF(ABS (DP/P)-1 .OE-7) 31,31,12 12 IF(DPDD.GT.O) 13,34

13 DD = DP/DPDD $ IF(ABS ( DD/D )-l .OE-7 ) 31,31,14 14 D = D + DD $ IF{D.GT.O.O) 16,15 15 D = P/GKK/T $ GO TO 30 16 IF(D.GT.DM) 17,18 17 D = DM $ GO TO 30 18 IF(T-TCRT) 19,24,30 19 IF{P.LT.PS) 20,22 20 IF(D.GT.DG) 21,30 21 D = DG $ GO TO 30 22 IF(D.LT.DL) 23,30 23 D = DL $ GO TO 30 24 IF(P.LT.PCRT) 25,27 25 IF(D.LT.DCRT) 30,26 26 D = DCRT - 0.02 $ GO TO 30 27 IF{D.GT.DCRT) 30,28 28 D = DCRT + 0.02 30 CONTINUE $ PRINT 41 $ STOP 31 FINDENF = D $ RETURN 32 PRINT 43 $ STOP 33 FINDENF = DCRT $ RETURN 34 FINDENF = DCRT $ PRINT 42 $ RETURN 35 FINDENF=DPDT=D2PDT2=0 $ DPDD=GKK*T $ DPDR=DPDD*DTRP 36 RETURN $ END

FUNCTION FINDTMF(P) C GIVEN P ON THE MELTING LINE, FIND T FOR NBUTANE. C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT,TCRT,PCRT, DGAT,DTRP ,TTRP ,PTRP

37 DATA (A=3634.0) ,(E=2.210) 1 X = (P-PTRP)/A + 1 $ FINDTMF = TTRP*X**( 1 .0/E) $ RETURN $ END

FUNCTION FINDTSF(P) C GIVEN VAPOR PRESSURE P, ITERATE T TO MINIMIZE (P-PC). C0MM0M/1/AL,BE,GA,DE,EP,ET, DCRT,TCRT,PCRT, DGAT ,DTRP ,TTRP ,PTRP C0MM0N/3/DPDT,D2PDT2,DPSDT,DPMDT,DPDD,DPDR,DTSDR,0THDR,DDSDT = * 1 FORMATdHO 9X *FINDTSF 0, FAILS TO CONVERGE. / ) = * 2 FORMATdHO 9X *FINDTSF 0, P EXCEEDS PCRT. / ) 3 IF(P-PCRT) 4,11,12 4 T = 300 $ DO 9 J=l,50 $ DP = P - PSATF{T) $ ADP = ABS (DP) 5 IF(ADP/P-1.0E-7) 10,6,6 6 IF(ADP/DPSDT/T-1.0E-7) 10,7,7 7 T = T + DP/DPSDT $ IF(T-TCRT) 9,9,8 8 T = TCRT 9 CONTINUE S PRINT 1 $ STOP 10 FINDTSF = T $ RETURN 11 FIMDTSF = TCRT $ RETURN 12 PRINT 2 $ STOP S END

SUBROUTINE GEMEOUS C GIVEN P,T FOR THE HOMOGENEOUS DOMAIN - C GET DEN AND FUNCTIONS AT ANY TEMPERATURE. C0MM0M/3/DPDT,D2PDT2,DPSDT,DPMDT,DPDD,DPDR,DTSDR,DTHDR,DDSDT COMMON/8/ IN, IK, P,T,DEN, E,H,S, CV,CP,CSAT, W,WK COMMON/11/ DELS, DELCV COMMON/99/ TI,EZZ, EZ,SZ,CVZ, HZ,CPZ

DATA (Q=l. 01325) , (0=0.083145) 3 TI = T $ CALL IDEAL $ IF(P.GT.O) 4,10 4 DEN = DB = FINDENF(T,P) $ M = 15 $ DA = L = 0 5 E = EZZ + EZ + EDELF(L,M,T,DA,DB) $ H = E + 100*P/DB 6 S = SZ + DELS - 100*G*AL0G(G*T*DB/Q) 7 CV = CVZ + DELCV $ PX = PVTF(T,DB,1) 8 CP = CV + 100*T/DPDD*(DPDT/DB)**2 q W = SQRT(WK*CP*DPDD/CV) $ RETURN 10 DEN=S=0 $ E = EZZ + EZ $ H = E + 100*G*T S CV=CVZ $ CP=CPZ 12 W = SQRT(WK*CP*G*T/CV) $ RETURN $ END

SUBROUTINE GENIUS C VALID ONLY FOR THE HOMOGENEOUS DOMAIN. C SAVES COMPUTER TIME WHEN TABULATING FUNCTIONS ALONG ISOBARS. C SAVES DEN,E,S,CV ALONG ISOBARS FOR USE IN INTEGRATING TO NEXT C HIGHER ISOBAR. VALID ONLY FOR MONOTONICALLY INCREASING ISOBAR C PRESSURES, AND AT TEMPS. T = INTEGER MULTIPLES OF 10 K. C0MM0N/3/DPDT,D2PDT2,DPSDT,DPMDT,DPDD,DPDR,0TSDR,DTHDR,DDSDT COMMON/8/ IN, IK, P,T,DEN, E,H,S, CV,CP,CSAT, W,WK COMMON/11/ DELS, DELCV DIMENSION DK(70) ,EK(70) ,SK(70) ,CK{70)

1 FORMATdHO 9X *GENIUS T NOT INTEGRAL. * / ) 2 J = T/10 $ IF(T - 10*J) 3,4 3 CALL GENEOUS $ RETURN 4 IF(IK.EQ.IN) 5,9 5 CALL GENEOUS 6 DK(J) = DEN $ EK(J) = E $ SK(J) = S $ CK(J)=CV $ RETURN C INTEGRATE FROM OLD DEN UP TO NEW DEN ON GIVEN ISOTHERM.

38 9 DA = DK{J) $ DK(J) = DEN = DB = FIND£MF(T,P) $ M = 14 11 EK(J) = E = EK(J) + EDELF(1,N,T,DA,DB) $ H = E + 100*P/DB 13 SK(J) = S = SK{J) + DELS $ CK{J) = CV = CK(J) + DELCV C NOW GET NEW DP/DT, DP/DD, CP, W. 15 PX = PVTF(T,DB,1) $ CP = CV + 100*T/DPDD*(DP0T/DB)**2 30 W = SQRTfWK*CP*DPDD/CV) $ RETURN $ END

FUNCTION HSATF(T) C NBUTANE SATLIQ ENTHALPY, J/MOL. - C DEFINE YH # {H-HC)/( HT-HC) , X # (TC-T)/(TC-TT) , WHEN

C YH = X + (XE-X)*(A1 + A2*X + A3*X2 + . . .) DIMENSION AH(8) DATA (NFH=8) ,(EH=0.29) ,(TTRP=134.86) ,(TCRT=425.16) DATA (HTRP = 0.001),(HCRT = 45399.788) DATA (AH = 0.1929773377, 0.3998984487, -0.05499361241, 1 -1.020568625, 2.872789244, -4.052610155, 2.696377850, 2 -0.6834388986) 1 FORMATdHO 9X 3HT =F10.5, * IN HSATF(T).*/) 2 IF{T.GT.TCRT) 3,4 3 PRINT 1, T $ STOP 4 X = (TCRT-T)/(TCRT-TTRP) $ IF(X.LE.O) 5,6 5 HSATF = HCRT $ RETURN 6 V = X**EH -X $ FX=X $ DO 7 K=1,NFH 7 FX = FX + V*AH(K)*X**{K-1) 8 HSATF = HCRT - (HCRT-HTRP)*FX $ RETURN $ END

SUBROUTINE IDEAL C N-BUTANE, VIA DATA OF CHEN ET AL (1975).

C CPZ/R = 4 + (Al + A2/X + A3/X2 + . . )*EXP{-E/X), X # T/IOO. COMMON/99/ TI,EZZ, EZ,SZ,CVZ, HZ,CPZ DIMENSION A(5) DATA (E=2. 37) ,(R=8. 3145 ),(HI=7. 7980) ,(SI=37. 3495) DATA(A = 41.1109726, -139.304011, 257.297067, -170.730596, 1 40.0321709) 1 NK = 5 $ XI = Tl/lOO $ XP = EXP(-E/XI) 2 CP = 4.0 $ DO 3 K=1,NK 3 CP = CP + A(K)*XP*XI**(1-K) C NUMERICAL INTEGRATION FOR HZ/R, SZ/R - 5H=S=0 $ N= ABS(TI-300)/4 +4 $ DX = (XI-3)/N 6 DO 10 J=1,N $ X = 3.0 + (J-0.5)*DX $ XP = EXP(-E/X) 7 CPX = 4.0 $ DO 8 K=1,NK 8 CPX = CPX + A(K)*XP*X**(1-K) 9 H = H + CPX*DX $ S = S + CPX*DX/X 10 CONTINUE $ H = (HI*3 + H)/XI $ S = SI + S C CONVERT TO JOULES, MOLES, KELVINS. 11 HZ = R*TI*H $ EZ = HZ - R*TI $ SZ = R*S 12 CPZ = R*CP $ CVZ = CPZ - R $ RETURN $ END

SUBROUTINE ISOTHRM C PRINTOUT THE CRITICAL ISOTHERM.

C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT,TCRT,PCRT , DGAT ,DTRP ,TTRP , PTRP C0MM0N/3/DPDT,D2PDT2,DPSDT,DPMDT,DPDD,DPDR,DTSDR,DTHDR,DDSDT C0MM0N/4/XBl,XB2, XC1,XC2, XE1,XE2, DXBDR ,DXCDR ,DXEDR COMMON/6/ TSAT, THETA, PSAT

39 . )

DATA (WM = 58.1243) 1 FORMATdHl 14X *THE CRITICAL ISOTHERM, NBUTANE* // 1 5X6HTC,K = F7.2, 12H, 0C,KG/M3 = F9.4, lOH, PC,MPA = F10.7/ 6X 2 *AT THE CP., DPS/DT =*F9.6, 9H, DP/DT =F9.6, * MPA/K.* // 3 5X4HD/DC 9X5HTS/TC 9X5HPS/PC 10X4HP/PC 9X5HDP/DR 4X6H0TS/DR

4 4X6HDTH/DR 4X5HDPS/DR 4X6HDXB/DR 4X6HDXC/DR ) 2 F0RMAT(2X F8.3, 3F14.10, F14.9, 5F10.5) 3 PC = PVTF(TCRT,DCRT,0) $ PCS = PCRT/10 $ DCS = DCRT*WM DPST = DPSDT/10 $ DPT = DPDT/10 4 PRIMT 1, TCRT, DCS, PCS, DPST, DPT $ DO 8 J=l,41 5 DR = 0.895 + O.OOS^J $ DN = DR*DCRT

' 6 PR = PVTF(TCRT,DN,1)/PCRT $ DPSDR = DPSDT*DTSDR 7 TSN = TSAT/TCRT $ PSN = PSAT/PCRT DPDR = DPDR/10 $ DPSDR = DPSDR/10 8 PRINT 2, DR, TSN,PSN, PR, DPDR, DTSDR,DTHDR, DPSDR, DXBDR,DXEDR 9 RETURN $ END

SUBROUTINE JTLOCUS € THE JOULE-THOMSON P-V-T LOCUS FOR HBUTANE.

C DERIVE THE J-T INVERSION CURVE. USE ROUTINE DELTAF(T ,DI ) C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT, TCRT, PORT, DGAT,DTRP,TTRP,PTRP DIMENSION DK{60) ,DN{60) ,TT{60) ,PP(60) DATA (A=1 .2275) ,{ B=0. 485) ,(WM=58. 1243) 1 FORMATdHl 16X nHE JOULE-THOMSON INVERSION LOCUS FOR NBUTANE* // 2 17X 3HT,K 8X2HDI 5X5HKG/M3 5X5HP,MPA

3 7X 3HT,K 8X2HDI 5X5HKG/M3 5X5HP,MPA ) 2 FORMATdOX 110, 2F10.1, F10.3, 110, 2F10.1, F10.3) C SAVE INITIAL, TRIAL DENSITY, DK(I) = DI. 5 TA = 340 $ NP = 52 6 PRINT 1 $ DO 25 1=1, NP $ DX = 0.4 7 T = TA + 10*1 $ X = T/TCRT $ DK(I) = DI = DCRT*EXP{ A-B*X 10 IF(T-TCRT) 11,12,12

. 11 DL = DENLIQF(T) $ IF(DI.LT.DL) 23,12 12 SS = DELTAF(T,DI) $ DO 20 IT=1,14 14 D=DI-DX $ SL=DELTAF(T,D) $ D=DI+DX $ SP=DELTAF(T,D) 15 IF(SS-SL) 18,16,16

. 16 IF(SP-SL) 19,17,17 17 SS = SL $ DI = DI - DX $ GO TO 20 18 IF(SS-SP) 20,20,19 19 SS = SP $ DI = DI + DX 20 DX = DX/2 $ TT(I) = T $ DN{I) = DI $ PP(I) = PVTF(T,DI,0) 21 GO TO 25 23 TT(I) = T $ DK(I) = DN(I) = PP(I) = 0 25 CONTINUE $ N = NP/2 26 DO 35 J=1,N $ K = J + N 27 IT = TT(J) $ ITT = TT(K) 28 DKJ = WM*DK(J) $ DNJ = WM*DN(J) 29 DKK = WM*DK(K) $ DNK = WM*DN{K) 30 PPJ = PP(J)/10 $ PPK = PP(K)/10

35 PRINT 2, IT, DKJ, DNJ, PPJ, ITT, DKK , DNK, PPK 40 RETURN $ END

SUBROUTINE PEEK C EXAMINE BEHAVIOR OF THE PVT COEFFICIENTS.

40 . .

C B{S) # Bl + B2*S2, E(S) # El*( S-l)*( S-ER)*EXP{ -GA*S**IX) C WHERE, R # DEN/DTRP, S # DEN/DCRT.

COMMON GK,GKK, Bl ,B2 ,B3 ,B4 ,85 , C1,C2,C3, E1,E2,E3, ER,IX C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT,TCRT,PCRT, DGAT ,DTRP ,TTRP ,PTRP C0MM0N/3/DPDT,D2PDT2,DPSDT,DPMDT,DPDD,DPDR,DTSDR,DTHDR,D0S0T COMMON/6/ TSAT, THETA, PSAT DATA (WM = 58. 1243), (EX = 1.10) 4 FORMATdHl 14X ^EQUATION OF STATE COEFFS., NBUTANE * // 1 15X 6HTTRP =F7.3, 8H, TRLP =F9.4, 8H, TCRT =F8.3, * K* / 2 15X 6HPTRP =E12.6, 8H, PBLP =F8.6, 8H, PCRT =F9.6, * MPA* / 3 15X 6HDTRP =E11.5, 8H, DLBP =E11.5, 8H, DCRT =E11.5, * KG/M3* / 3 15X 6HDGAT =E11.5, 8H, DGBP =E11.5, * KG/M3* / 3 15X *DPS/DTB,MPA/K =* Ell. 5, *, QVAPB,KJ/MOL =* F7.3// 4 15X 4HIX =12, 6H, EX =F5.2, 6H, ER =F5.2, *, S # DEN/DCRT* / 5 15X 4HAL =F10.7, 6H, BE =F10.7, 6H, GA =F10.7/ 6 15X 4HDE =F10.7, 6H, EP =F10.7, 6H, ET =F10.7// 7 15X 4HB1 =F14.11, 6H, B2 =F14.11, 6H, B3 =F14.11/

8 15X 4HC1 =F14.11, 6H, C2 =F14.11, 6H, C3 =F14.11/ )

5 FORMAT! 15X 4HD/DC 5X4HTSAT 5X5HTHETA 4X6HPS,MPA 9X1HB 9X1HC ) 6 F0RMAT(9X F10.2, 2F10.3, F10.4, 2F10.5) 8 TB=FINDTSF(1. 01325) $ DGB=DENGASF( TB) $ DLB=DENLIQF(TB) 9 QB = TB*DPSDT*(1/DGB - 1/DLB)/10.0 PTR = PTRP/10 $ PBLP = 0.101325 $ PCR = PCRT/10 DTR = DTRP*WM $ DLBI = DLB*WM $ OCR = DCRT*WM DGA = DGAT*WM S DGBI = DGB*WM $ DPSB = DPSDT/10 10 PRINT 4, TTRP,TB, TCRT, PTR, PBLP, PCR, DTR, DLBI, DCR, DGA, DGBI, DPSB, QB, 1 IX,EX,ER, AL,BE,GA,DE,EP,ET, B1,B2,B3, E1,E2,E3 11 PRINT 5 $ N = 10*DTRP/DCRT + 1 12 DO 20 J=1,N $ S = 0.1*J 13 DN = S*DCRT $ S2=S*S $ SN=S-1 $ SX = S**IX 14 SR = 1 $ IF(ER.GT.O) SR = S-ER 16 B = Bl + B2*S2 17 E = (El + E2*S)*SN*SR*EXP(-GA*SX) 19 TSAT=TS=TSATF(DN) $ TH=THETAF( DN) $ PS=PSATF(TS) $ PIS=PS/10 20 PRINT 6, S, TS,TH,PIS, B,E $ RETURN $ END

FUNCTION PMELTF(T) C NBUTANE MELTING LINE, BAR, VIA REEVES, SCOTT, AND BABB(JR), C J. CHEM. PHYS. 40(12), 3662 (1964).

COMMON/l/AL ,BE ,GA,DE ,EP ,ET , DCRT , TCRT, PCRT, DGAT ,DTRP ,TTRP ,PTRP C0MM0N/3/DPDT ,D2PDT2 ,DPSDT,DPMDT ,DPDD ,DPDR ,DTSDR ,DTHDR ,DDSDT DATA (A = 3634.0) ,(E = 2.210) 1 X = T/TTRP $ XE = X**E $ PMELTF = PTRP + A*(XE-1) 2 DPMDT = A*E*XE/X/TTRP $ RETURN $ END

FUNCTION PSATF(T) C NBUTANE VAPOR PRESSURE, BAR, RDG, FEB. 19, 1981. (0CRT=3.92). C LN(P) = Pl/X + P2 + P3*X + P4*X2 + P5*X3 + P6*( 1-X)**EPP C0MM0N/3/DPDT,D2PDT2,DPSDT, DPMDT, DPDD,DPDR,DTSDR,DTHDR,DDSDT DIMENSION PJ(6) DATA (EPP = 1.85) DATA (TTRP=134.86) ,(TCRT=425.16) ,(DCRT=3.92),(DTRP=12.65) DATA(PJ = -9.50924729, 5.20153488, 10.64095231, 1 4.86147936, -7.55818629, 18.72886023)

41 .

* 1 FORMATdHO 9X *T ABOVE TCRT IN PSATF(T). / ) 4 X = T/TCRT $ V = 1.0 - X $ IF(V) 7,8,9 7 PRINT 1 $ STOP 8 Z = Zl = 0 $ GO TO 10 9 2= v**EPP $ Zl = -EPP*Z/V 10 PL = PJ(6)*Z $ PLl = PJ(5)*Z1 11 DO 13 K=l,5 $ L = K-2 $ XL = X**L 12 PL = PL + PJ(K)*XL $ PLl = PLl + PJ(K)*L*XL/X 13 CONTINUE $ PSATF = EXP(PL) 15 DPSCT = PL1*PSATF/TCRT $ RETURN $ END

SUBROUTINE PVTDATA C NBUTANE EOS CONSTANTS, RDG/NBS, FEB. 19, 1981. (DCRT=3.92). COMMON GK,GKK, 81 ,B2,B3,B4,B5, C1,C2,C3, E1,E2,E3, ER, IX

C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT, TCRT, PORT , DGAT,DTRP ,TTRP ,PTRP COMMON/8/ IN, IK, P,T,DEN, E,H,S, CV,CP,CSAT, W,WK

' C0MM0N/12/ZCRT,ZCALC,DZDT, ZSAT,DZSDT, ZFX, FRT,DFRTDT COMMON/99/ TI,EZZ, EZ,SZ,CVZ, HZ,CPZ 10 WM = 58.1243 $ TTRP = 134.86 $ TCRT = 425.16 12 DCRT = 3.92 $ DTRP = 12.650 13 PTRP = PSATF(TTRP) $ PORT = PSATF(TCRT) 20 GKK = 0.083145 $ GK = GKK*DCRT $ ZCRT = PCRT/DCRT/GKK/TCRT 21 IX = 2 $ AL = 1.0 $ BE = 0.7 $ GA = 0.14 $ DE = 0 22 EP = 0 $ ER = 2.20 $ ET = 1.1 23 Bl = 0.45555869162 $ B2 = 0.17143942370 24 El =-0.28036114629 $ B3=B4=E2=E3=0 25 DGAT = DENGASF(TTRP) $ WK = 100000/WM $ EZZ = 22644.306 99 RETURN $ END

FUNCTION PVTF(T,D,M) C NBUTANE EQNSTATE, PVTF = P,BAR. SIMPLIFIED, FEB. 12, 1981. C NOTE, M=0 RETURNS DP/DT, D2P/DT2. M=l RETURNS ALSO DP/DD. = - C P-PSAT S*GK*(T-TSAT) + S*S*GK*TCRT*F( S ,T) , WHERE S) - C F(S,T) # B(S)*XBF(S,T) + E( *XEF( S ,T) , AND C B(S) # Bl + B2*S2, E(S) # El*{ S-1 )*{ S-ER)*EXP{ -GA*S**IX) C WHERE, R # DEN/DTRP, S # DEN/DCRT.

COMMON GK,GKK, Bl ,B2 ,B3 ,B4 ,B5 , C1,C2,C3, E1,E2,E3, ER,IX

C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT, TCRT, PORT, DGAT , DTRP , TTRP , PTRP C0MM0N/3/DPDT,D2PDT2,DPSDT,DPMDT,DPDD,DPDR,DTSDR,DTHDR,DDSDT C0MM0N/4/XBl,XB2, XC1,XC2, XE1,XE2, DXBDR ,DXCDR ,DXEDR COMMON/6/ TSAT, THETA, PSAT

C0MM0N/12/ZCRT,ZCALC,DZDT, ZSAT,DZSDT,ZFX , FRT,DFRTDT 1 S = D/DCRT $ S2=S*S $ SN=S-1 $ SR=S-ER $ SX=S**IX 5 GK = DCRT*GKK $ TC = TCRT $ DSDR = DTRP/DCRT 6 RG = S*GK $ GKT = GK*TC 7 TSAT=TS=TSATF(D) $ PSAT=PS=PSATF( TS) $ THETA=THETAF(D) 8 XB = XBF(T,D) $ XE = XEF(T,D) 9 B = B1*S2 + B2*S2*S2 10 XP = EXP(-GA*SX) $ SM = S2*SN*SR $ E = E1*SM*XP 12 F = B*XB + E*XE $ Fl = B*XB1 + E*XE1 $ F2 = B*XB2 + E*XE2 13 PVTF = PS + RG*(T-TS) + GKT*F $ FRT=F/S2 $ DFRTDT=F1/S2/TC 14 DPDT = RG + GK*F1 $ D2PDT2 = GK*F2/TC $ IF{M) 15,30 15 BD = (2*B1 + 4*B2*S2)*S*DSDR 16 XPl = -IX*GA*SX/S $ SMI = (SN+SR)*S2 + 2*S*SN*SR

42 )

18 ED = E1*(SM*XP1 + SM1)*XP*DSDR 20 Fl = B*DXBDR + BD*XB + E*DXEDR + ED*XE

26 DPDR = (DPSDT-RG)*DTSDR + ( T-TS)*GK*DSDR + GKT*F1 27 DPDD = DPDR/DTRP 30 RETURN $ END

FUNCTION QVAPXF(T)

C QVAP = A1*X + (XE-X)*(A2 + A3*X + A4*X2 + . . ). C X # {TC-T)/(TC-TT), XE # X**E. DIMENSION AQ(4)

DATA ( NFQ=4 ) , ( EQ=0 . 34 ) , ( TTRP=134 .86 ) , ( TCRT=425 . 16 DATA (AQ = 28.789248, 24.163103, 12.710873, -16.533537) * 1 FORMATdHO 9X *T EXCEEDS TCRT IN QVAPXF{T). / ) 2 IF(TCRT-T) 3,4,5 3 PRINT 1 $ STOP 4 QVAPXF = 0 $ RETURN 5 XN = TCRT - TTRP $ X = (TCRT-T)/XN $ XE = X**EQ 6 F = 0 $ DO 7 K=2,NFQ 7 F = F + AQ(K)*X**{K-2) 9 Q = AQ(1)*X + {XE-X)*F 10 QVAPXF = Q*1000 $ RETURN $ END

SUBROUTINE SIMPLE C FOR ANY GIVEN T,K AND P,MPA, CONVERT TO P,BAR, AND USE SUBROUTINE C THERMO (OR ENTRIES THEREIN) TO GET THERMOPHYSICAL PROPERTIES. C THEN CONVERT TO MPA, AND KG/M3 IN PRESENT ROUTINE.

C0MM0N/3/DPDT ,D2PDT2 , DPSDT ,DPMDT , DPDD , DPDR ,DTSDR , DTHDR ,DDSDT COMMON/8/ IN, IK, P,T,DEN, E,H,S, CV,CP,CSAT, W,WK COMMON/99/ TI,EZZ, EZ,SZ,CVZ, HZ,CPZ

DATA (R=0. 083145) , {GJ=8. 3145) ,(PA=1. 01325) ,{WM=58. 1243) 14 FORMATdHl 18X *TEST OF THERMO AT P,MPA =* F8.5/ * 1 19X ^DENSITIES KG/M3, HEATS J/MOL. / ) 16 F0RMAT(6X4HPMPA 9X1HT 6X3HDEN 8X1HZ 5X5HDP/DT 5X5HDP/DD

1 8X1HE 8X1HH 8X1HS 6X2HCV 6X2HCP 5X1HW 9X3HF/P 5X4HDIEL ) 17 FORMATdX F9.4, F10.3, F9.2, F9.5, F10.5, F10.6, 2F9.1, F9.3, 1 2F8.2, 16, E12.5, F9.5) C LET US EXAMINE A SUBCRITICAL ISOBAR. 19 PMPA = 3.5 20 P = 10*PMPA $ PRINT 14, PMPA $ PRINT 16 21 DO 90 J=l,39 $ TIK = T = 130 + 10*J 22 CALL THERMO $ IW = W $ Z = P/DEN/R/T C GET DIEL. CONST., AND FUGACITIES. 25 GIB = H-EZZ-HZ -T*(S-SZ) $ FOP = EXP{GI8/GJ/T)*PA/P 26 IF(T.GT.450) 27,28 27 DIE = 0 $ GO TO 30 28 DIE = DIELF(DEN,T,P) C CONVERT PRESSURES, DENSITIES, AND DERIVATIVES. 30 PMPA=P/10 $ DEN=DEN*WM $ DPDT=DPDT/10 $ DPDD=DPDD/10/WM 31 DPMDT = DPMDT/10 $ DPSDT = DPSDT/10 $ DDSDT = DDSDT*WM 40 PRINT 17, PMPA, T, DEN, Z, DPDT,DPDD, E,H,S, CV,CP,IW, FOP, DIE 90 CONTINUE $ RETURN $ END

FUNCTION SSATF(T) C NBUTANE SATLIQ ENTROPY, J/MOL/K.

43 .

C CONSTRAINED AT TRIPLE AND CRITICAL POINTS.

C Y # (S-SCRT)/(STRP-SCRT) , X # (TC-T)/(TC-TT)

C Y = X + (XE-X)*(A1 + A2*X + A3*X2 + . . . ). DIMENSION AS(6) DATA (NFS=6) ,(ES=0.23) ,(TTRP=134.86) ,(TCRT=425.16) DATA (STRP = 133.54372) ,(SCRT = 297.64652) DATA (AS = 0.08883444348, -0.3470304947, 0.2093724392, 1 -0.9568328496, 0.9579992545, -0.6534607056) * * 1 FORMATdHO 9X 3HT =F10.5, IN SSATF(T). / ) 2 IF{TCRT-T) 3,4,5 3 PRINT 1, T $ STOP 4 SSATF = SCRT $ RETURN 5 YN = STRP-SCRT $ XN = TCRT-TTRP 6 X = {TCRT-T)/XN $ XE = X**ES $ V = XE - X 7 Y = X $ DO 8 K=1,NFS 8 Y = Y + V*AS(K)*X**{K-1) 9 SSATF = SCRT + YN*Y $ RETURN $ END

SUBROUTINE TABLIQ

COMMON/l/AL , BE ,GA ,DE , EP , ET , DCRT .TCPJ ,PCRT , DGAT ,DTRP ,TTRP , PTRP C0MM0N/3/DPDT,D2PDT2,DPSDT,DPMDT,DPDD,DPDR,DTSDR,DTHDR,DDSDT COMMON/5/ TSAT, THETA, PSAT COMMON/8/ IN, IK, P,T,DEN, E,H,S, CV,CP,CSAT, W,WK C0MM0N/9/DNG,EG,HG,SG, CVG,CPG,WG, DPGDT,DPGDD

C0MM0N/12/ZCRT,ZCALC,DZDT, ZSAT,DZSDT,ZFX , FRT,DFRTDT COMMON/99/ TI,EZZ, EZ,SZ,CVZ, HZ,CPZ DIMENSION DSA(50) ,TSA(60) ,PSA(50) ,DLT(60) ,DPT(50) ,DPD(60) DATA (0=0.083145) ,(WM=58. 1243) 4 FORMATdHl 13X ^PROPERTIES OF SATURATED LIQUID NBUTANE* // 1 14X IHT IIXIHP 3X5HDEN,L 7X5HDEN,G 5X3HZ,L 5X3HZ,G 2 5X6HDPS/DT 3X6HDDL/DT 3X5HDP/DT 6X5HDP/DD / 3 14X IHK 9X3HMPA 3X5HKG/M3 7X5HKG/M3 16X

4 5X5HMPA/K 2X7HKG/M3/K 3X5HMPA/K 2X9HMPA-M3/KG ) 5 F0RMAT(5XF10.3, E12.5, F8.2, E12.5, 2F8.5, Ell .4,F9.4,F8.4,E11 .4) 11 FORMATdHl 13X ^PROPERTIES OF SATURATED LIQUID NBUTANE * // 1 14X IHT 4X5HQ,VAP 8X1HE 8X1HH 8X1HS 2 6X2HCV 6X2HCS 6X2HCP 6X3HF/P 6X1HW 4X5HDIEL. /

. 3 14X IHK 4X5HJ/M0L 4X5HJ/M0L 4X5HJ/M0L 2X7HJ/M0L/K

4 1X7HJ/M0L/K 1X7HJ/M0L/K 1X7HJ/M0L/K IIX 5HM/SEC 4X5HC0NST ) 12 F0RMAT(5X F10.3, 3F9.1, F9.3, 3F8.2, F9.5, 17, F9.5) C FOR PAGE ONE OF TABLIQ. C REPLACE T = 230 BY B.P. AT J = 30. 120 NP = 59 $ PRINT 4 121 DO 150 J=1,NP $ IF(J.EQ.l) 122,123 122 T = TTRP $ GO TO 139 123 IF{J.EQ.29) 124,125 124 T = FINDTSFd. 01325) $ GO TO 139 125 IF(J.EQ.NP) 126,128 126 T = TCRT $ DSA(J)=DG=DL=DCRT $ DLT(J) = DDLDT = 0 127 VG = VL = 1.0/DCRT $ ZG = ZCRT $ GO TO 141 128 T = 130 + 5*J 139 DSA{J) = DL = DENLIQF(T) S DLT(J) = DDLDT = DDSDT 140 DG = DENGASF{T) $ ZG = ZSAT $ VG = 1/DG $ VL = 1/DL 141 TSA(J) =T $ PX = PVTF{T,DL,1) $ DPT(J)=DPDT $ DPD(J)=DPDD

44 147 PSA{J) = PS = PSAT $ Z = PS/DL/G/T 148 PS=PS/10 $ DPSDT=DPSDT/10 $ 0PDT=DP0T/10 $ 0PDD=DPDD/10 149 DL=DL*WM $ DG=DG*WM $ OOLDT=ODLDT*WM $ DPDD = DPOD/WM 150 PRINT 5, T,PS, DL,DG, Z,ZG, DPSDT,DDLDT, DPDT,DPDD C PAGE 2, TABLIQ. AVOID COEXIST, TIMESAVER. C USE COEXIST AT ALL TEMPERATURES. 160 PRUJT 11 $ DO 180 J=1,NP $ T = TSA(J) $ P = PSA(J) 161 CALL COEXIST $ DL = DEN $ IW = W 162 DIEL = DIELF(DL,T,P) $ QX = QVAPXF(T) C GET FUGACITY COEF., (F/P), VIA HZ, SZ, HG, SG. C NOTE, DI = 0.00001 MOL/L IN EDELF. 170 GIBS = HG-EZZ-HZ - T*(SG-SZ) 171 GO = 100*G $ XP = EXP(GIBS/GJ/T) $ FOP = XP*1.01325/P 172 IF(DNG.LE. 0.00001) FOP = 1.0 180 PRINT 12, T,QX, E,H,S, CV,CSAT,CP, FOP, IW, DIEL 999 RETURN $ END

SUBROUTINE THERMO C FOR COMPUTATION AT ANY (T,P) POINT. C ASSUMES AN ISOTHERM IN SINGLE-PHASE ONLY. C CASES FOR ISOTHERMS BELOW, EQ., ABOVE TCRT, C GIVEN (T,P), RETURNS DEN, E,H,S, CV,CP,W, DPDT, DPDD. C ENTRIES BELOW FOR PHASE BOUNDARIES ASSUME A GIVEN ISOBAR P, OR - C ENTRIES BELOW FOR PHASE BOUNDARIES ASSUME A GIVEN ISOTHERM, T. C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT, TCRT, PORT, DGAT ,DTRP ,TTRP ,PTRP C0MM0N/3/DPDT,D2PDT2,DPSDT,DPMDT,DPDD,DPDR,DTSDR,DTHDR,DDSnT COMMON/8/ IN, IK, P,T,DEN, E,H,S, CV,CP,CSAT, W,WK COMMON/9/ DNG,EG,HG,SG, CVG,CPG,WG, DPGDT,DPGDD COMMON/99/ TI,EZZ, EZ,SZ,CVZ, HZ,CPZ * 1 FORMATdHO 9X *THERMO, P.GE.PMELT. / ) * 2 FORMATdHO 9X *THERMO DOUBLE-VALUED AT P = PSAT. / )

3 FORMATdHO 9X *THERMO, DEN GE. DCRT AT T = TCRT. * / ) 10 IF(T-TCRT) 11,20,25 C SUBCRITICAL ISOTHERMS. 11 PM = PMELTF(T) $ IF(P.GE.PM) 12,13 12 PRINT 1 $ CALL COMPRLQ $ TI=T $ CALL IDEAL $ RETURN 13 PS = PSATF(T) $ IF(P-PS) 14,15,16 14 CALL GENEOUS $ RETURN 15 PRINT 2 $ RETURN 16 CALL COMPRLQ $ TI = T $ CALL IDEAL $ RETURN C THE CRITICAL ISOTHERM. 20 CALL GENEOUS $ IF(DEN.LT.DCRT) RETURN 21 CP = CV = W = 0 $ PRINT 3 $ RETURN C ISOTHERMS AT T ABOVE TCRT. 25 CALL GENEOUS $ RETURN C THERMOM FOR GIVEN ISOBAR AT THE MELTING LINE, GET T. C RETURNS T,DEN, E,H,S, CV,CP,W, DPMDT, DPDT, DPDD. ENTRY THERMOM 40 T = FINDTMF{P) $ PM = PMELTF(T) $ CALL COMPRLQ 41 TI = T $ CALL IDEAL $ RETURN C THERMOL FOR GIVEN ISOBAR AT SATURATED LIQUID LINE, GET T. C RETURNS T,DEN, E,H,S, CV ,CP ,CSAT,W, DPSDT,DDSDT, DPDT, DPDD. ENTRY THERMOL 43 T = FINDTSF(P) $ CALL COEXIST $ RETURN

45 ,

C THERMOV FOR GIVEN ISOBAR AT THE SATURATED VAPOR LINE, GET T. C RETURNS T,DEN, E,H,S, CV,CP,W, DPSDT,DDSDT, DPDT,DPDD. ENTRY THERMOV 45 T = FINDTSF(P) $ CALL COEXIST $ DEN=DNG $ E=EG $ H=HG $ S=SG 47 CV=CVG $ CP=CPG $ W=WG $ DPDT=DPGDT $ DPDD=DPGDD $ RETURN C THRMM FOR ISOTHERM AT THE MELTING LINE, GET P. C RETURNS P,DEN, E,H,S, CV,CP,W, DPMDT, DPDT, DPDD. ENTRY THRMM 50 P = PMELTF(T) $ CALL COMPRLQ $ TI=T $ CALL IDEAL $ RETURN C THRML FOR ISOTHERM AT SAT. LIQ. LINE, GET P.

C RETURNS P,DEN, E,H,S, CV ,CP ,CSAT ,W , DPSDT,DDSDT, DPDT, DPDD. ENTRY THRML 55 P = PSATF(T) $ CALL COEXIST $ RETURN C THRMV FOR ISOTHERM AT SAT. VAPOR LINE, GET P. C RETURNS P,DEN, E,H,S, CV,CP,W, DPSDT,DDSDT, DPDT, DPDD ENTRY THRMV 60 P = PSATF(T) $ CALL COEXIST 61 DEN=DNG $ E=EG $ H=HG $ S=SG $ CV=CVG 62 CP=CPG $ W=WG $ DPDT=DPGDT $ DPDD=DPGDD 99 RETURN $ END

FUNCTION THETAF{DEN) C THETA = TSAT*EXP(U(S)). - C LET Q = (S-1)/(ST-1) , WHERE ST = DTRP/DCRT, THEN C IF S < 1, U = AL*Q**3, IF S > 1, U = -AL*Q**3

COMMON/l/AL , BE ,GA ,DE i EP , ET , DCRT ,f CRT , PORT , DGAT ,'dTRP , TTRP , PTRP C0MM0N/3/DPDT,D2PDT2,DPSDT, DPMDT, DPDD, DPDR,DTSDR,DTHDR,DOSDT COMMON/6/ TSAT, THETA, PSAT 1 S = DEN/DCRT $ DSDR = DTRP/DCRT $ C = DSDR-1 2 Q = (S-l)/C $ Q2 = Q*Q $ U = AL*Q*Q2 3 Ul = AL*3*Q2*DSDR/C $ IF{Q) 5,9,4 4 U = -U $ Ul = -Ul 5 XP = EXP(U) $ THETAF = TSAT*XP 6 DTHDR = (TSAT*U1 + DTSDR)*XP $ RETURN 9 THETAF = TCRT $ DTHDR =0 $ RETURN $ END

FUNCTION TSATF(DEN) C ITERATE T TO MINIMIZE (DEN-DCALC) VIA DENGASF(T), DENLIQF(T). C IF ITERATION FAILS, PRINTOUT ONCE ONLY AND STOP AT K = 2.

COMMON/l/AL, BE, GA,DE,EP,ET, DCRT, TCRT, PORT, DGAT ,DTRP , TTRP , PTRP

C0MM0N/3/DPDT ,D2PDT2 ,DPSDT , DPMDT , DPDD ,DPDR ,DTSDR , DTHDR ,DDSDT DATA (Q=2.0) ,(FN=6. 3890561) C NOTE, FN # EXP{Q) - 1.0. 1 FORMATdHl 14X *TSATF(DEN) FAILS AT DEN =* E15.7//

1 15X 5HDCALC 13X2HDD 10X5HDDSDT 13X2HDT 12X3HT,K ) 2 F0RMAT(5X 5E15.7) 3 K = 0 $ D = DEN 4 S = D/DCRT $ YN = TCRT/TTRP-1 $ IF(D-DCRT) 5,30,6 5 ST=DGAT/DCRT $ F=ALOG(S)/ALOG{ ST)*( (1-S)/(1-ST) )**2 $ GO TO 7

6 ST=DTRP/DCRT $ U=( ( S-l)/( ST-1) )**3 $ F=( EXP(Q*U)-1)/FN 7 T = TCRT/(YN*F+1) 8 DO 20 J=l,50 $ IF(D-DCRT) 9,30,10 9 DC = DENGASF(T) $ GO TO 11 10 DC = DENLIQF(T)

46 11 DD = D - DC $ IF(ABS(DD/D) .LT.l.OE-7) 25,12 12 DT = DD/DDSDT $ IF(ABS(DT/T) .LT.l .OE-7) 25,13 13 T = T + DT $ IF(T) 14,14,15 14 T = TTRP $ GO TO 18 15 IF(T.LT.TCRT) 18,16 16 T = TCRT - 0.05 18 IF(l<.EQ.l) PRIMT 2, DC, DD, DDSOT, DT, T 20 CONTINUE $ K = K+1 $ IF(K.NE.l) STOP 21 PRINT 1, DEN $ GO TO 4 25 TSATF = T $ DTSDR = DTRP/DDSDT $ RETURN 30 TSATF = TCRT $ DTSDR = 0 $ RETURN $ END

FUNCTION XBF{T,D) C XBF(R,T) # (X**BE)*EXP(A*(1-TS/T)) - XS**BE, WHERE - C X # T/TC, XS # TS/TC, A # (1-BE) + SQRT(l-BE), C XBF = U*EXP(A*V) - US, U # X**B, US # XS**B, V # (1-TS/T). C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT, TCRT, PORT, DGAT,DTRP ,TTRP ,PTRP C0MM0N/3/DPDT ,D2PDT2 ,DPSDT ,DPMDT ,DPDD ,DPDR, DTSDR ,OTHOR ,DDSDT C0MM0N/4/XBl,XB2, XC1,XC2, XE1,XE2, DXBDR,DXCDR ,DXEDR COMMON /6/ TSAT, THETA, PSAT 1 B = BE $ BN = 1-B $ A = BN + SQRT(BN) 2 TC=TCRT $ TS=TSAT $ X=T/TC $ XS=TS/TC $ XS1=DTSDR/TC 3 U = X**B $ Ul = B*U/X $ U2 = -BN*U1/X 4 US = XS**B $ USl = B*US*XS1/XS 5 V = 1-TS/T $ VIR = -DTSDR/T $ VIX = TS/T/X $ V2X = -2*V1X/X 6 P = EXP(A*V) $ PI = A*P $ P2 = A*P1 7 PIR = P1*V1R $ PIX = P1*V1X $ P2X = P1*V2X + P2*V1X*V1X 8 XBF = U^P - US $ XBl = U*P1X + U1*P 9 XB2 = U*P2X + 2*U1*P1X + U2*P $ DXBDR = U*P1R - USl 10 RETURN S END

FUNCTION XEF(T,D) C ULTRA REVISION, MARCH 29, 1981. C XEF = H(R,T)/HS(R) - 1.0,

C H(R,T) # 1 - {W-WE/E)/1-1/E) , E = ET. C X#T/TC, F#TS/T, W#(1-TH/T), WE#W**E C A = DE, B = 1-A, C = EP, E = ET. C0MM0N/1/AL,BE,GA,DE,EP,ET, DCRT,TCRT,PCRT, DGAT,DTRP,TTRP,PTRP C0MM0N/3/DPDT,D2PDT2,DPSDT,DPMDT,DPDD,nPDR, DTSDR, DTHDR,DDSDT C0MM0N/4/XBl,XB2, XC1,XC2, XE1,XE2, DXBDR ,DXCDR,DXEDR COMMON/6/ TSAT, THETA, PSAT 1 E = ET S EK = E/(E-1) $ TC = TCRT 2 TS = TSAT $ TH = THETA $ X = T/TC 3 W = 1.0 - TH/T $ IF(W) 30,30,4 4 CONTINUE 5 WIR = -DTHDR/T $ WIX = TH/T/X $ W2X = -2*W1X/X 6 WE = W**E $ WEI = E*WE/W $ WEIR = WE1*W1R

7 WEIX = WEI^WIX $ WE2X = WE1*W2X + { E-1 )*WE1*W1X*W1X/W 8 H = 1 - EK*{W-WE/E) $ HIR = -EK*( WIR-WEIR/E) 9 HIX = -EK*(W1X-WE1X/E) $ H2X = -EK*{ W2X-WE2X/E) 10 WS = 1.0 - TH/TS $ IF(WS) 11,11,12 11 HS = 1 $ HSl = 0 $ GO TO 16 12 WSl = (TH*DTSDR/TS - DTHDR)/TS 13 WSE = WS**E $ WSEl = E*WSE*WS1/WS

47 14 HS = 1 - EK*{WS-WSE/E) $ HSl = -EK*( WSl-WSEl/E) 16 U = 1.0/HS $ UlR = -U*HS1/HS 17 P = H*U $ DXEDR = H*U1R + 'rllR*U 18 XEl = H1X*U $ XE2 = H2X*U $ XEF = P -- 1 $ RETURN 30 XEF = XEl = XE2 = DXEDR =0 $ RETURN $ END

48 o

ooooooooo O0h-(OIO^COC>JT-oooooooo

49 100 200 300 400 500 600 Temperature, K

Figure 2. P-T locus of P-p-T data for normal butane.

50 1 , ) 1 .

Table 1, Comparisons of vapor pressure data with eq (2).

Data sources and ID numbers : (UAston, (2)8eattie, ( 10)Dana , (19)Kay, (29)Sage, (35)Wackher, (37)Connol ly. (95)Seibert, (96)Carruth (97)Hirata, (98)Tickner, (99)De laplace, (40)Thermal Loops.

ID Weight Temp. T/Tc P(j( expt) Pg ( ca 1 c Di ff dPa/dT K MPa MPa % MPa/K 40 1.000 134.860 .31720 .67437E-06 .67358E-06 .12 .128E-06

40 1 .000 140.000 .32929 . 17216E-05 . 17210E-05 .03 .301E-06 40 1.000 145.000 .34105 .39908E-05 .39917E-05 -.02 .646E-06 40 1.000 150.000 ,35281 .86893E-05 .86943E-05 -.06 .130E-05

40 1 .000 155.000 .36457 .17884E-04 . 17897E-04 -.07 .249E-05

40 1 .000 160.000 .37633 .34986E-04 .35012E-04 -.07 .453E-05

40 1 .000 165.000 .38809 .65366E-04 .6541 lE-04 -.07 .789E-05 40 1.000 170.000 .39985 .1 1714E-03 .1 1721E-03 -.05 .132E-04 40 1.000 175.000 .41161 .20212E-03 .20220E-03 -.04 .213E-04 40 1.000 180.000 .42337 .33690E-03 .33697E-03 -.02 .333E-04 40 1.000 185.000 .43513 .5441 1E-03 .5441 1E-03 -.00 .505E-04 40 1.000 190.000 .44689 .85368E-03 .85357E-03 .01 .745E-04

40 1 .000 195.000 .45865 .13044E-02 .13040E-02 .03 .107E-03

1 1 .000 195.107 .45890 .13200E-02 .13155E-02 .34 .108E-03 40 1.000 200.000 .47041 . 19449E-02 .19442E-02 .04 .151E-03 40 1.000 205.000 .48217 .28356E-02 .28345E-02 .04 .208E-03 40 1.000 210.000 .49393 .40497E-02 .40479E-02 .04 .281E-03

1 1.000 212.668 .50021 .48340E-02 .48572E-02 -.48 .327E-03 40 1.000 215.000 .50569 .56740E-02 .56716E-02 .04 .372E-03 40 1.000 220.000 .51745 .78102E-02 .78075E-02 .03 .486E-03

40 1 .000 225.000 .52921 .10576E-01 .10574E-01 .03 .625E-03

1 1 .000 226.276 .53221 .1 141 lE-01 .11396E-01 .13 .565E-03 40 1.000 230.000 .54097 .14106E-01 .14104 E-01 .01 .792E-03

40 1 .000 235.000 .55273 .18550E-01 .18550E-01 .00 .992E-03

1 1 .000 235.822 .55467 .19409E-01 .19379E-01 .15 . 103E-02 40 1.000 240.000 .55449 .24076E-01 .24079E-01 -.01 .123E-02

40 1 .000 245.000 .57625 . 30869 E-01 .30877E-01 -.03 .150E-02

1 1 .000 246.51 .57981 .33268E-01 .3321 1E-01 .17 .159E-02

40 1 .000 250.000 .58801 .39131E-01 .39147E-01 -.04 . 182E-02

40 1 .000 255.000 ,59977 .49080E-01 .49 106 E-01 -.05 .218E-02

1 1.000 256.204 .60261 .51832E-01 .51782E-01 . 10 .227E-02

40 1 .000 260.000 .611 53 .60950E-01 .60989E-01 -.06 .259E-02

1 1 .000 262.267 .61 687 .67106E-01 .67078E-0 .04 .279E-02

40 1 .000 265.000 .62329 .74991 E-01 .75047E-01 -.07 .305E-02

1 1.000 266.789 .62750 .80656E-01 .80655E-01 .00 .322E-02

40 1 .000 270.000 .63506 .91469E-01 .91543E-01 -.08 .356E-02

1 1 .000 270.397 .63599 .92943E-01 .92966E-0 -.02 .360E-02

1 1 .000 272.027 .63982 .98952E-01 .98989E-01 -.04 .379E-02

1 1 .000 272.806 .64 165 .10193E+00 .10197E+00 -.05 .388E-02

29 1 .000 294.260 .69212 .21580E+00 .21562E-K)0 .08 .691E-02

29 1 .000 327.590 .77051 .55660E+00 .5 5724 E+OO -.11 .141 E-01

97 1 .000 333.130 .78354 .64017E+00 .63961 E+OO .09 . 156E-01

97 1 .000 336.420 .79128 .69357E+00 ,69259E+00 .14 . 166E-01

19 1.000 336.480 .79142 .68950E+00 .69359E+00 -.59 . 166E-01

97 1 .000 340.940 .80191 .76916E+00 .77056E+00 -.18 .179E-01

97 1.000 343.070 .80692 .80878E+00 .80946E+00 -.08 . 186E-01 29 1.000 344.260 .80972 .83420E+00 .83180E+00 .29 .190E-01

97 1.000 344.710 .81078 .83836E+00 .84037E+00 -.24 . 191E-01 19 1.000 345.650 .81299 .86180E+00 .85848E+00 .39 .194E-01 2 1.000 348.140 .81884 .90790E+00 .90782E+00 .01 .202E-01

97 1 .000 348.660 .82007 .91476E+00 .9 1838 E+OO -.39 .204 E-01

97 1 .000 348.990 .82084 .92571 E+OO .92513E+00 .06 .205E-01

97 1 .000 352.640 .82943 .99917E+00 .10022E+01 -.30 .217E-01

19 1 .000 353.870 .83232 .10342E+01 .10292E+01 .48 .222E-01

97 1 .000 355.080 .83517 .10550E+01 .10563E+01 -.12 .226 E-01 97 1.000 357.020 .83973 .10981E+01 .1 1008E+01 -.25 .233E-01

97 1 .000 359.020 .84444 .n475E+01 .1 1481E+01 -.05 .240 E-01 29 1.000 360.930 .84893 .12024E+01 .1 1946E+01 .65 .247E-01 97 1.000 361.140 .84942 .1 1995E+01 .11998E+01 -.03 .248 E-01 19 1.000 361.210 .84959 .12066E+01 .12016E+01 .42 .248E-01 97 1.000 363.450 .85485 .12579E+01 .12581 E+01 -.02 .257E-01 97 1.000 365.700 .86015 .13144E+01 .13169E+01 -.19 .266E-01 97 1.000 366.620 .86231 .13399E+01 .13415E+01 -.12 .269E-01 97 1.000 367.850 .86520 .13746E+01 .13749E+01 -.02 .274E-01 19 1.000 367.980 .86551 .13790E+01 .13785E+01 .04 .275E-01

51 ) . y 0 11 , .1 1

Table 1. (Continued).

Data sources and ID numbers : (l)Aston, (2)3eattie, ( 10)Dana1, (19)Kay, (29)Sage, (35)Wackher,

\5 1 uonno I I , (yD)beiDerT, \ yo / uarruTri (97)Hirata, (98)Tickner, (99) De 1 ap lace , (40)Thermal Loops

ID Weight Temp. T/Tc Pg( expt) Pij(calc) Di f f dPrr/dT K MPa MPa t MPa/K

97 1 .000 359.620 .86937 . 14225E+01 . 14240E+01 -. 1 .281 E-01

2 1 .000 373. 1 40 .87765 .15290E+01 .15256E+01 .22 .296E-01

97 1 .000 373.580 .87868 .15385E+01 .15386E+01 -.01 .298E-01

19 1 .000 373.980 .87962 .15513E+01 .15506E+01 .05 .299E-01

97 1 .000 375 .040 .8821 .15785E+01 .15826 E+01 -.25 .304 E-01

97 1 .000 377.240 .88729 . 16505E+01 . 16505E+01 -.00 .314E-01

19 1 .000 379 .430 .89244 . 17237E+01 . 17202 E+01 .20 .323 E-01

19 1 .000 384.710 .90486 .18961E+01 . 18974E+01 -.07 .348 E-01

97 1 .000 385.710 .90721 .19319E+01 .19324 E+01 -.03 .353 E-01 19 1.000 389.370 .91582 . 20684 E+01 .20648E+01 .17 .371 E-01 97 1.000 391 .010 .91968 .21239E+01 .21263E+01 -. 12 .379E-01

97 1 .000 396.090 .93163 .23251E+01 .23259E+01 -.03 .407E-01

2 1 .000 398, 140 .93645 .24207E+01 .24104 E+01 .43 .418E-01

97 1 .000 401 .300 .94388 .25465E+01 .25455E+01 .04 .437E-01

2 1 .000 423. 140 .99525 .36730E+01 ,36696 E+01 .09 .612E-01

10 0.000 255.030 .59984 .49620E-01 .49171E-01 .91 .218E-02 10 0.000 260.490 .61269 .62230E-01 ,62266E-01 -.06 .263 E-02 10 0.000 271 .350 .63823 .97540E-01 ,96451E-01 1.13 .371 E-02 10 0.000 272.960 .64202 .10172E+00 .10257E+00 -.83 .389 E-02

10 0.000 272.960 .64202 .10230E+00 . 10257E+00 -.26 .389 E-02 10 0.000 283.420 .66662 .15040E+00 .15007 E+00 .22 .523 E-02

10 0.000 290.530 .68346 .19330E-K)0 .19130E+00 1 .04 .631 E-02

10 0.000 29 1 . 9 1 .68659 .19520E+00 .19984 E+00 -2.32 .652 E-02 10 0.000 298.690 .70254 .25000E+00 .24794E+00 .83 .769E-02

10 0.000 304.860 .71705 .30320E+00 .29894 E+00 1 .42 .886E-02 10 0.000 31 0.280 .72980 .35210E+00 ,3499&E+00 .61 .998E-02

10 0.000 314.420 .73953 . 39690 E+00 ,39313E+00 .96 .109E-01 10 0.000 322.080 .75755 .48140E+00 ,48338E+00 -.41 . 127E-01 TOO r\Ci r\ 10 0.000 322.080 .75755 .48640E+00 ,48338E+00 .62 . 1 27 E-0

10 0.000 322. 1 50 .75771 .48930E+00 ,48427E+00 1 .04 . 127E-01 10 0.000 330. 100 .7764 .59080E+00 ,593 52 E+00 -.46 .148E-01 10 0.000 330. 100 .77641 .59770E+O0 ,59352E+00 .70 .148E-01 10 0.000 330.630 .77766 .60010E+00 ,60140E+00 -.22 .149E-01 10 0.000 330.630 .77766 .60480E+00 ,60140E+00 .57 .149E-01 19 0.000 325.040 .76451 .51710E+00 ,52209 E+00 -.96 .135E-01 29 0.000 310.930 .73132 .35180E-K)0 ,35649E+00 -1.31 .101E-01 35 0.000 205.450 .48323 .31300E-02 . 29293 E-02 6.85 .214E-03 35 0.000 213. 150 .50134 .56700E-02 ,50169E-02 13.02 .336E-03

35 0.000 228. 1 50 .53662 .13280E-01 .12699E-01 4.57 .727E-03 35 0.000 241 .850 .56884 .27650E-01 ,26436E-01 4.59 .132E-02 35 0.000 250.450 .58907 .41450E-01 ,39970E-01 3.70 .185E-02 35 0.000 255.450 .60083 .51260E-01 ,50093E-01 2.33 .221 E-02 35 0.000 261 .850 .61589 .66390E-01 .65923E-01 ,71 .275 E-02 35 0.000 266.050 .62576 .78570E-01 ,78300E-01 .35 .315E-02 35 0.000 273. 150 .64246 .10338 E+00 .10331 E+00 ,06 .392E-02 35 0.000 278.750 .65564 .12732E+00 .12713E+00 .15 .460E-02 37 0.000 344.260 .80972 .83086E+00 .83180E+00 -.11 .190E-01 37 0.000 360.930 .84893 .1 1946E+01 .1 1946E+01 -.00 .247E-01 37 0.000 377.590 .8881 .16638 E+01 .16615E+01 .14 .315E-01 37 0.000 394.260 .92732 .22575E+01 .22524E+01 .23 .397 E-01 37 0.000 406.870 .95698 .28 037 E+01 .2798 5 E+01 .18 .472E-01 37 0.000 410.930 .96653 .300T3E+01 .29959E+01 .18 .501 E-01 37 0.000 425. 120 .99991 .3784 5 E+01 .37934 E+01 -.24 .642 E-01 95 0.000 303. 150 .71303 .34000E+00 .28408E+00 19.68 .853E-02 95 0.000 313. 150 .73655 .44660E+00 .37949E+00 17.69 .106E-01 95 0.000 323. 150 .76007 .57330E+O0 .49712E+00 15.33 .130E-01 95 0.000 333. 150 .78359 .71990E+00 .63992E+00 12.50 .156E-01 95 0.000 343.150 .8071 .89330E+00 .81095E+00 10.16 .186E-01 95 0.000 363. 150 .85415 .14265E+01 .12505E+01 14.08 .256E-01 95 0.000 373. 150 .87767 .16665E+01 ,15259E+01 9.22 .296E-01 95 0.000 383. 150 .901 19 . 19598E+01 ,18437 E+01 6.30 .341 E-01 95 0.000 393.150 .92471 .24131 E+01 ,22087E+01 9.25 .391 E-01 95 0.000 403.150 .9482_ .27464E+01 .26274 E+01 4.53 .448 E-01 96 0.000 135.430 .31854 .90230E-06 .75036E-06 20.25 . (41E-06

52 . 1

Table 1. (Cont i nued )

Data sources and ID numbers: (l)Aston, (2)Beattie, (lO)Oana, ( 19)l

(37)Connol ly, (95)Seibert, (96)Carruth, (97)Hirata, (98)Tickner, ( 99) De I ap I ace , (40)Thermal Loops.

ID Weight Temp, T/Tc P„(expt) Prf(calc) Di ff. dPg/dT K MPa MPa % MPa/K

96 0.000 137. 730 .32395 . 10800E-05 . 1 1483E-05 -5 .95 .208E-06

96 0.000 138.930 .32677 . 14490E-05 . M248E-05 1 .70 .254E-06

96 0.000 146. 320 .344 15 . 51 320E-05 .493 1 1 E-05 4.08 .78 1 E-06 A 11 96 0.000 148. 100 .34834 .678 1 OE-05 .651 32t-05 4.11 . lOOE-05

96 0.000 1 54.840 .36419 . 18450E-04 . 17503E-04 5. 4 . 244 E-05

96 0.000 1 59.790 .37583 .32260E-04 .3407 1 E-04 -5.32 .442E-05

96 0.000 171 .430 .40321 . 12590E-03 . 13750E-03 -8.44 . 1 52 E-04 96 0.000 184.090 .43299 .4do50E-03 .49978t-03 -2.64 .469 b-U4

96 0.000 1 94 .650 .45783 . 12420E-02 . 1 25d9E-02 -1 .97 . 105E-03

96 0.000 196.710 .46267 . 1 5390E-02 . 1 4988t-02 2.68 .121E-03

96 0.000 205.270 .48281 .31320E-02 .28910E-02 8.33 .21 1 E-03 96 0.000 209.280 .49224 .37740E-02 .38501 E-02 -1 .98 .269E-03 96 0.000 212.900 .50075 .49480E-02 .49335E-02 .29 .331 E-03 98 0.000 135.850 .31953 .66660E-06 .81 196E-06 -17.90 . 152E-06

98 0.000 139.950 .32917 . 1 3330E-05 . 17060E-05 -21 .86 .299E-06 98 0.000 144.250 .33928 .26660E-05 .35332E-05 -24.54 .578E-06 98 0.000 149.950 .35269 .66660E-05 .86294E-05 -22.75 . 129E-05

98 0.000 1 54.750 .36398 . 13330E-04 . 17284E-04 -22.88 .241 E-05

98 0.000 1 59.850 .37598 .26660E-04 .34338 E-04 -22.36 .445E-05 98 0.000 166.950 .39268 .66660E-04 .82509E-04 -19.21 .969E-05

98 0.000 172.850 .40655 . 13330E-03 . 16065E-03 -17.02 . 174 E-04 98 0.000 179.250 .42161 .26660E-03 .31277E-03 -14.76 .312E-04 98 0.000 188.450 .44324 .66660E-03 .74455E-03 -10.47 .663E-04

98 0.000 195.850 .46065 . 13330E-02 . 1 3979E-02 -4.64 . 1 14E-03

99 0.000 135. 1 50 .31788 . 17330E-05 .71 170E-06 143.50 . 135E-06

99 0.000 1 36. 1 50 .32023 .20000E-05 .85875E-06 132.90 . 160E-06

99 0.000 137. 150 .32258 .22660E-05 . 10330 E-05 1 19.36 . 189E-06 99 0.000 138. 150 .32494 .25730E-05 . 12390E-05 107.67 .223E-06

99 0.000 139. 150 .32729 .30000E-05 . 14816E-05 102.48 .263 E-06 99 0.000 140.150 .32964 .39060E-05 .17667E-05 121.09 .308E-06 99 0.000 142.150 .33434 .45330E-05 .24913E-05 81 .95 .421 E-06 99 0.000 143.150 .33670 .53330E-05 .29465E-05 80.99 .491 E-06 99 0.000 144.150 .33905 .62000E-05 .34758E-05 78.38 .570 E-06 u.uuu • /ZUUvJt:-U-5 /D.UO .DDUt-(JD 99 0.000 146.150 .34375 .83330E-05 .47998E-05 73.51 .763 E-06 99 0.000 147.150 .34610 .96790E-05 .56196E-05 72.24 .879E-06 99 0.000 148.150 .34846 .11332E-04 .65636E-05 72.65 .101 E-05 99 0.000 149.150 .35081 .14000E-04 .76483E-05 83.05 .1 16E-05 99 0.000 150.150 .35316 .17065E-04 .88917E-05 91 .92 . 133E-05

99 0.000 151.150 .35551 .19865E-04 .10314E-04 92.60 . 152E-05

Number of data points used in fit = 80; rms pressure deviation = 0.189^.

53 1 51 /1 1 411 11/1 4068405

Table 2. Comparisons of saturated liquid density data with eq (3).

Data sources and ID numbers: (2)Carney, (7)Coffin, (8)Connolly, (lO)Dana, (15)Foehr,

iel (18)Kahre, (25)0lds, (29)Sage, ( S I i w i nsk (90)Haynes, ( 17)Benol , (19)Kay, 32) i , (33)NGAA, (91)0rrit, (92)McClune, (93)Van der Vet.

1 n (T^ T\/ 1 I ( expt) 1 T T 1 we y nT Temp • U"n . U 1 y U -1 rrw~» 1 / 1 k /fii3 IS mo 1 / L IN J/ flM p Ky/ ^ m-^»is 1

1 AAA 1 T C; A"7 K 1 O CO "7"^ C 11 It. c; A~7 Ayl C\A A \ 90 1 .000 1 35.0 ID .yyyzo /35.3 .04 - .944 1 O 1 1 AAA 1 "^Q A^ 1 1 1 c^QR AQ A"^ Q/l ICS 1 .000 1 JO .04 1 • yoyu4 1 Z • 0^0 ! DZ %/Li

1 AAA 1 yi A A~7 c A O O A >1 Ay! Ayl OT 90 1 .000 140.0/3 .yo.d04 /30.OD .04 -•y4^3 n 1 1 AAA 1 /I o A/1 n "700 A O A 1 CiA 1 Q 1 .000 1 4z .04y .y /5/4 I Z • DDZ /

An 1 AAA ^ A c A"? c; 1 O ACi'~> ~70(^ AO A^ Qyl 1 A 90 1 .000 145.0/3 •yoHo 1 z •4yz izo* oy /z 0-? .00 - . y4 1 1 AAA AC cyt "7 "70 "Z 11 AA Ayl Ayl 91 1 .000 14/. loo •y554 1 z .44 iZ5» 1 /z J .1)9 .00 -.y404 "7-1 O 1 u. AA 92 1 .000 148 . 1 50 .95422 1 2»435 722 .76 .00 - . 94 04

90 1 .000 1 50.075 .94759 1 2»409 72 1 . 28 720.94 .05 -.9401 ~7 1 O OO T 1 0 AC AO 92 1 .000 1 53. 1 50 .93700 12 .357 718.22 71 0 .05 .02 -.9397 ~7 "7 A"Z O 1 1 O A y1 T 1 0 AA A 1 A "ZA 91 1 .000 1 53.204 1 z»354 / 1 0 .04 / 1 0 .00 .01 - .9597

90 1 .000 1 55.075 .93037 12 .330 716.67 7 1 6 .24 .06 -.9395

92 1 .000 1 58. 1 50 .91977 1 2.276 71 3.53 71 3.36 .02 -.9394 ICO COT A 1 O OT 1 o ^cc T 1 O Ayl "7 1 '> r\A A A 91 1 .000 1 58 . 587 •91827 / 1 ^.94 / 1 2 . 94 -.00 -.9394

90 1 .000 160.075 .91314 1 2.248 71 1 . 93 71 1 .55 .05 -.9394

92 1 .000 163. 1 50 .90255 1 2 . 1 96 708.87 708.65 .03 -.9395

91 1 .000 164.010 : .89959 1 2. 179 707.91 707.85 .01 -.9395

90 1 .000 165.075 .89592 12. 163 705.99 706.85 .02 -.9396

92 1 .000 1 68. 1 50 .88533 12.116 704.25 703.96 .04 -.9400

9 1 .000 169. 522 .88050 12.092 702.8 702.67 .02 -.9402

90 1 .000 170.075 .87869 12.084 702.37 702. 15 .03 -.9403

92 1 .000 173. 150 .86810 12.035 599. 55 699.26 .04 -.9409

91 1 .000 174.925 .85198 1 2.003 597.59 597.59 .01 - . 94 1

91 1 .000 180.442 .84298 1 1.915 692.52 692.39 .02 -.9431

91 1 .000 186.368 .82257 1 1 .8 17 686.88 585.79 .01 -.9456 1 O 1 "70 C\ 9 1 .000 191 •789 .80390 1 1 .728 68 1 .66 68 1 .66 -.00 - . 94 84

91 1 .000 1 97.248 .78509 1 1 .636 676.35 676.47 -.02 -.9519

1 AAA "7^ A O yl 11 coo A 1 91 1 .000 Z04 • ZOO . /60o4 1 1 . 522 009.08 569.75 -.01 -.9572 "7 1 AAA "7 A "70 AA y 1 1 . 000 ZUo •ZZ / 1 1 .458 665.96 665.98 -.00 -.9606

O 1 1 AAA "70"7AO 1 1 T^O A yi o /CCA C/C AO y 1 1 .000 Z 1 ^» o4o » 1 z. lyz 1 »5oZ DOO .4^ D00.5D -•Oz -.9061 "7 1 AAA O 1 TCI AO A C 1 1 OT 1 £ C C 1 yi ^ C C 0*7 A 1 A~700 y 1 1 .000 Z 1 9»353 . 70895 11.2/1 655. 14 655. 23 -•01 -,'9 IZZ "7 ~7 1 AAA C O A£ A 11 1 yi C A C\ C A^ A~7 A 1 y 1 1 .000 ZZ4%^ /O .68960 11.1/4 64y .45 649.75 ".04 -.y /91

33 1 .000 226.820 .68322 1 1 . 143 647.70 647.93 -.04 -. 98 1 1 AAA O'ZA AAA "700*7 11 A A a A A cc a A A OA AO yu 1 .000 Z30.000 mOiZZ/ 1 1 .091 D44 .00 d44 .oU -•Oz -.yaoo A 1 1 AAA O'Z T TA 1 ^C^f\ CA CLA 1 "^C yr ^ 1 yl c no QO 1 A y 1 1 .000 z33.3y .DD05y 1 1 .034 04 1 .35 04 1 .45 -•Uz -. yy 1 Z"Z 1 AAA O C Q "7A a coAc 1 A AAO CKO AA XZQ AO A 1 A Ayl Q 1 .000 Z35.0 /O .o5Z05 1 o.yy-i 638. yo 638. yy -.01 -.yy48 A"2 55 1 . 000 238 .650 .64247 1 0.942 636. 00 636.22 -.03 -.9993 A 1 1 AAA 1 A A yi "Z y 1 1 .000 24 1 . 557 .63245 1 0.892 633.07 633.31 -.04 -1 .0043

91 1 .000 247.21 .61 297 10.793 627.35 627.50 -.04 -1 .0146

33 1 .000 247.760 . 6 11 09 1 0.791 627.20 627.04 .03 -1 .0157

91 1 .000 252.249 .59553 10.702 522.05 622.46 -.07 -1 .0246

33 1 .000 255.370 .58488 10.662 51 9.70 519.26 .07 -1 .0312

33 1 .000 255.430 .58467 10.558 519.50 619. 19 .05 - 1 . 03 1

91 1 .000 258.254 .57494 1 0.597 61 5.95 615.27 -.05 -1 .0377

91 1 .000 263.785 .55589 10.496 6 1 0 . 09 6 1 0 . 50 -.07 -1 .0508

33 1 .000 266.480 .54661 10.464 608.20 607.66 .09 -1 .0576

91 1 .000 269.401 .53654 10.393 604. 1 604 . 56 -.07 -1 .0652

91 1 . 000 274.973 .51735 10.289 598.05 598.58 -.09 -1 .0808 33 1.000 277. 150 .50985 10.259 596.30 596.22 .01 -1 .0873

32 1 .000 283.200 .48901 1 0. 145 589.67 589.58 .01 -1 . 1064

90 1 .000 288.706 .47004 10.033 583.13 583.44 -.05 -1 .1253

33 1 .000 288.710 .47003 10.047 584.00 583.44 . 10 -1 .1253

90 1 .000 290.000 .46559 10.007 581 .63 581 .98 -.06 -1 .1299 32 1.000 293.190 .45460 9.949 578.28 578.36 -.01 -1.1418

33 1 .000 299.820 .43176 9.822 570.90 570.70 .04 -1 .1685 90 1.000 300.000 .431 14 9.810 570.22 570.49 -.05 -1 . 1693

32 1 .000 303.150 .42029 9.752 566.82 566.79 .01 -1 .1829 33 1.000 310.930 .39349 9.597 557.80 557.44 .06 -1.2197 25 1.000 310.930 .39349 9.585 557.16 557.44 -.05 -1.2197 32 1.000 313.120 .38595 9.545 554.78 554.76 .00 -1.2309

33 1 .000 322.040 .35522 9.363 544 . 20 543.56 .12 -1.2809 32 1.000 323.120 .35150 9.327 542.13 542.17 -.01 -1.2875 32 1.000 333.110 .31709 9.102 529.06 528.99 .01 -1 .3547

54 7D I • A 5 y 01 2 ) 1 1 311

Table 2. (Continued),

Data sources and ID numbers: (2)Carney, (7)Coffin, (8)Connolly, (lO)Dana, (15)Foehr,

( 17)Benol iel , (18)Kahre, (19)Kay, (25)0lds, (29)Sage, (3:-? ) S I i wi nski , (33)NGAA, (90)Haynes,

(91 )Orr it. ( 92) McO 1 une p (93)Van der Vet.

^A- / A'V Dens 1 ( expt) Dens 1 ( ca 1 U 1 T T • apj_/a 1 1 Weight Temp. ( rc-T)/( Ic-Tt) ty ty c K mol/L kg/in3 kg/m3 % kg/(m3.K)

33 1 .000 333. 1 50 .31695 9. 108 529.40 528.93 .09 -1 .3550

32 1 .000 343.080 .28274 8.863 515.18 5 1 5 . 09 .02 -1 .4354

25 1 .000 344.260 .27868 8.833 51 3.4 51 3.39 .00 -1 .4450

32 1 .000 353.090 .24826 8.606 500.24 500. 24 -.00 -1 .5348

32 1 .000 363. 1 10 .21374 8.330 484.20 484.26 -.01 -1 .6603

32 1 .000 368. 100 .19656 8. 186 475.82 475.79 .01 -1 .7360

25 1 .000 377.590 .16386 7.899 459. 1 458.51 .13 -1 .91 48

25 1 .000 410.930 .04902 6.405 372.26 373.21 -.25 -3.8043

2 0.000 227.594 .68055 11.131 647.00 647. 17 -.03 -.9825

2 0.000 233 . 1 50 .66142 1 1 . 038 64 1 .50 54 1 .69 -.01 -.9906

2 0.000 238.706 .64228 1 0.944 635. 10 635. 15 -.01 -.9994

2 0.000 244.261 .6231 10.849 530.60 530. 59 .00 - 1 . 009 2 0.000 249.817 .60401 10.755 525. 10 524 .95 .02 -1 .0197

2 0.000 255.372 .58487 10.662 619.70 61 9. 25 .07 - 1 . 03 1

2 0.000 266.483 .54660 1 0.464 508.20 607.55 .09 -1 .0576 A 1 2 0.000 277. 150 .50985 1 0.259 596.30 595.22 .01 -1 .0873

2 0.000 288.706 .47004 10.047 584.00 583.44 .10 -1 . 1253 2 0.000 310.928 .39350 9. 597 557.80 557.45 •06 -1 .2197 "Z 0 T A "Z A 2 0.000 5/2.039 .35522 9.353 544.20 543.55 .12 -1 .2809 A 1 AO CO A >l A AA 1 T C C A z 0. IJlJU y. 1U0 529.40 528.93 -1 .3550 at c OA A 1 1 0.000 .64213 1 0.946 O35.20 636. 1 •01 -.9995 ~j A AAA 1 A A 1 0 zr*7 A CO A 1 1 AAOO 1 u.uuu .0 jodz lu.y lo 034. dU 034 . 5z • Ul -1 .UUZZ ~i A AAA 1 A Q 7A erz 1 QA AO 1 AAA 7 1 U. UuU .OZ /DO 1 U.O /U OJ 1 .oU Dj 1 . y 1 -.Uz -1 .UUO / 7 A AAA ^^AQ X7 1 A 77Q e^lf^ c:A A^ 1 A 1 70 U. UUU . DUO J / 1 u . / /y DZD. DU O/iO . ^4 .U4 — 1 .U 1 /Z -7 1 A AAA A C >l CA KO nAO ^0 A "7 A 0 A CI AT 1 AOD A 1 u.uuu 1 U.O /y .03 -1 .UZOD "7 1 c A AAA O^Q. R A 1 A c:q^^ £ QA - 1 A"ZQ Q 1 u.uuu 1 u. Dyo D 1 3 . yu D 1 D. /D • UZ .Ujoo 7 A AAA 1 A c;"z 1 A 1 0 1 A A7 u.uuu D 1 Z . 1 U 0 1 1 .Dy •u / — 1 .U40U

7 1^/1^7 1 ^^n7 AO _1 AC7C U . UUU ZOO • 4PU 1 U. 'fDii DUO . 1 U DU / . oy — 1 .UD Ij 7 A AAA 1 A >1 A A A Q A i^r\A OQ AQ - 1 AA CO / U.UUU .5jiDDy dU4 .oU dU4 . zy • Uo 1 .uojy r 7 A AAA 1 A "ZR7 c AO AA A 1 /A 1 A — 1 A7'Z U.UUU Z /Z jDU . jzo jy 1 U. JJ / DU1 A 7 A AAA >1 RA 1 A "Z 1 0 CO QA CO Q \ A - 1 A70 X 1 U.UUU Z /4 •4DU . D 1 y 1 D 1 U.J 1 5yy .ou 3yy • 14 • 1 1 1 .u/yj 7 A AAA 001 £1 C A 1 A 1 A A C AO OA CA 1 OA 1 1 A 1 T 1 U.UUU zo .ddU .49435 10. lyy 5y2.oU 5y 1 . zy • z5 -1 . 1 Ul 00 ^ 0 CA / 0.000 286.850 .47644 1 0.090 585.50 585.52 • 17 -1.1 187 ~7 7 A AAA 000 C EC A y1 A'3 / 1 A AC /I c 0 yi Ar\ CCZ CA 1 1 0 C 1 1 U.UUU ZOO •o!)U 1U.U^4 5o4 .4U 5c J . 5U • 1 D -1 . Iz51 -7 "7 A AAA A A 1 A C A A AO CO A CA C "7 A 11 1 1 "Z "7 1 0.000 z9 1 .950 .45887 9.987 580.50 5 / 9.77 -1.1371 A AAA OA^ A CA c 7 '7'"^ 1 A 1 0. 000 296 .450 .44337 9.905 5 74.62 • 19 -1.1 546 AA A ^ C A 1 0.000 299.650 .43235 9.832 571 .50 570.90 • 1 -1 . 1678

1 0.000 302.450 .42270 9.774 568 . 1 557.61 • 09 -1 . 1798 7 0.000 305.650 .41 168 9.710 554.40 563.81 • 10 -1.1 943

8 0.000 293. 1 50 .45474 9.960 578.90 578.40 • 09 -1.1417

8 0.000 298. 150 .43751 9.862 573.20 572.65 ^ . 10 -1 . 1615

1 0 0.000 273. 1 50 .52363 10.309 599.20 500. 54 -•22 -1 .0756

10 0.000 281 . 150 .49607 10. 153 590.70 591 .84 -. 19 -1.0997 AO A 1 c r\ 10 0.000 289. 150 .46852 10.013 582.00 582 .94 -. 16 -1 . 1269

10 0.000 297. 1 50 .44096 9.850 572.50 573.81 -.23 -1 . 1574

10 0.000 305. 1 50 .41 340 9.695 553 . 50 564 .41 -. 16 -1 . 1920 10 0.000 313. 150 .38584 9.528 553.80 554.72 -. 17 -1 .231

10 0.000 32 1 . 1 50 .35828 9.352 543.50 544.70 -.20 -1 .2755

10 0.000 329. 1 50 .33073 9.161 532.50 534.30 -.34 -1 .3255 15 0.000 293. 150 .45474 9.953 579. 10 578.40 .12 -1.1417

1 0.000 21 3. 1 50 .73031 1 1 .383 551 .50 661 .24 •06 -.9554 AO 1 1 C 1 / 0.000 223. 150 .69587 11.216 651 .90 651 .53 .06 -.9768

1 / 0.000 233. 1 50 .66142 1 1 .047 642. 10 54 1 .69 .06 -.9905 17 0.000 243.150 .62697 10.875 532.10 631.71 .06 -1 .0071 17 0.000 253.150 .59252 10.701 522.00 521.54 •07 -1 .0265

17 0.000 263.150 .55808 10.519 511.40 51 1 .16 .04 -1.0492 17 0.000 273.150 .52363 10.337 600.80 600.54 •04 -1.0756 17 0.000 283.150 .48918 10.147 589.80 589.64 • 03 -1.1062 17 0.000 293.150 .45474 9.955 578.70 578.40 .05 -1.1417 18 0.000 288.750 .46989 10.054 584.40 583.39 • 17 -1.1254 18 0.000 327.550 .33624 9.238 535.95 535.41 • 10 -1.3158 19 0.000 325.040 .34488 9.309 541.10 539.59 • 26 -1.2995

55 1 1 Q 11

Table 2. (Continued).

Data sources and ID numbers: (2)Carney, (7)Coffin, (8)Connolly, (lO)Dana, (15)Foehr,

( 17)Benol iel , ( 18)Kahre, (19)Kay, (25)0lds, (29)Sage, (32)SI iwinski , {33)NGAA, (90)Haynes, (91)0rrit, (92)McClune, (93)Van der Vet.

ID Weight Temp. {Tc-T)/(Tc-Tt) Dens i ty ( expt) Density (calc) Diff. dP£,/dT K mol/L kg/m3 kg/m3 % kg/(m3.K)

19 0.000 336.480 .30548 9.045 525.73 524.38 .26 -1.3802

19 0.000 345.650 .27389 8.827 513.07 51 1 .37 .33 -1 .4589 19 0.000 353.870 .24557 8.618 500.90 499.04 .37 -1.5436 19 0.000 361 .310 .21994 8.414 489.05 487.23 .37 -1 .6354 19 0.000 367.980 .19697 8.215 477.51 476.00 .32 -1.7341 19 0.000 373.980 .17630 8.031 466.78 465.29 .32 -1 .8404 19 0.000 379.430 .15753 7.854 456.53 454.95 .35 -1.9564 19 0.000 384.710 .13934 7.670 445.00 444.27 .34 -2.0925 19 0.000 389.370 .12329 7.493 435.54 434.19 .31 -2.2392 19 0.000 393.760 .10816 7.314 425. 13 424.00 .27 -2.4093 19 0.000 402.040 .07964 6.931 402.87 402.32 .14 -2.8669 19 0.000 405.870 .06645 6.730 391 .17 390.76 .10 -3. 1830 19 0.000 409.320 ,05456 6.529 379.48 379.15 .09 -3.5714 19 0.000 412.870 .04234 6.292 365.70 365.51 .05 -4.1501 19 0.000 415.980 .03162 6.046 351.44 351.47 -.01 -4.9439 19 0.000 419.260 .02032 5.743 333.83 333.05 .23 -6.4725 19 0.000 422.320 .00978 5.330 309.80 308.68 .36 -10. 1943 29 0.000 294.260 .45091 10.007 581 .64 577. 13 .78 -1 .1460 29 0.000 310.930 .39349 9.650 560.87 557.44 .61 -1.2197 29 0.000 327.590 .33610 9.301 540.61 536.36 .79 -1 .3161 29 0.000 344.260 .27868 8.919 518.40 513.39 .98 -1 .4460 29 0.000 350.930 .22125 8.449 491 .06 487.85 .66 -1 .6303 29 0.000 377.590 .16386 7.928 460.83 458.51 .51 -1 .9148 29 0.000 394.260 .10644 7.258 421.87 422.79 -.22 -2.431 91 0.000 135.366 .99826 12.640 734.70 734.79 -.01 -.9439 91 0.000 139.441 .98422 12.574 730.88 730.95 -.01 -.9425 91 0.000 144.783 .96582 12.489 725.91 725.92 -.00 -.941 91 0.000 150.530 .94602 12.397 720.55 720.52 .00 -.9400 91 0.000 155.930 .92742 12.310 715.48 715.44 .01 -.9395 91 0.000 161 .370 .90868 12.221 710.35 710.33 .00 -.9394 91 0.000 166.654 .89048 12.138 705.49 705.37 .02 -.9398 91 0.000 172. 198 .87138 12.047 700.24 700. 15 .01 -.9407

91 0.000 177.707 .85240 1 1.959 695.10 694.97 .02 -.9422 91 0.000 183.502 .83244 11.864 689.57 689.50 .01 -.9443

91 0.000 189.090 .81319 1 1.772 684.23 684.22 .00 -.9470 91 0.000 194.492 .79458 11.683 679.09 679.09 -.00 -.9501

91 0.000 202.744 .76616 1 1.544 670.99 671 .23 -.04 -.9559

91 0.000 205.434 .75689 1 1 .503 668.61 668.66 -.01 -.9582

91 0.000 21 1.023 .73764 1 1.41 663.23 663.29 -.01 -.9633

91 0.000 216.623 .71835 1 1 .318 657.86 657.88 -.00 -.9691

91 0.000 222.085 .69953 1 1.226 652.52 652.57 -.01 -.9755

91 0.000 230.623 .67012 1 1.083 644.16 644.19 -.00 -.9869

91 0.000 236.1 1 .65122 10.988 638.64 638.75 -.02 -.9952 91 0.000 244.335 .62289 10.844 630.28 630.51 -.04 -1 .0092 91 0.000 249.972 .60347 10.744 624.47 624.79 -.05 -1.0200 91 0.000 255.364 .58490 10.649 618.94 619.26 -.05 -1.0312 91 0.000 261.019 .56542 10.547 613.04 613.40 -.06 -1.0441 91 0.000 266.732 .54574 10.443 607.00 607.39 -.06 -1 .0582

Q 1 Ann 1 HQ — 1 Cilf^X y 1 u.uuu DUU •DO — •UO — 1 •U / DS> 93 0.000 283. 150 .48918 10.130 588.80 589.64 -. 14 -1.1062 93 0.000 288.710 .47003 10.023 582.60 583.44 -.14 -1.1253 93 0.000 293.150 .45474 9.944 578.00 578.40 -.07 -1 . 1417 93 0.000 298.150 .43751 9.846 572.30 572.65 -.06 -1.1615 93 0.000 303.150 .42029 9.746 566.50 566.79 -.05 -1. 1829 93 0.000 308.150 .40307 9.641 560.40 560.81 -.07 -1.2061 93 0.000 313.150 .38584 9.538 554.40 554.72 -.06 -1.2311 93 0.000 318. 150 .36862 9.435 548.40 548.50 -.02 -1.2582 93 0.000 323.150 .35140 9.328 542.20 542.14 .01 -1 .2877

= Number of data points used in f i t = 71; rms density deviation 0.054^.

56 ^

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57 O

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58 8DO1 5 A1 , O1111 J11 Z ,

Table 4. Comparisons of second virial coefficients with eq (5).

Data sources and ID numbers: (2)Beattie (1939), (3)Beattie (1942), (4)Bottomley (1964),

(5)Bottom!ey (1977), ( 19)Kay, (25)0ids, (26)Gunn, (?7)Jones, (28)Kapal!o, (29)Sage, (30)Kretsclimer, (31 )McGlashan, (32)Tripp, (33)Strein, (35)Das, (37)Connolly.

T /T Q ID We i g ht Temp. T/Tc D Bp( expT) bp ( Cd 1 C ) D 1 tt Di tt. w IS cm^/mo %

OQ 1 r\f\(\ 9/1 A AA 1 9TA A A Q99 A D TQ A1 7 T/I Z4'4 • UU ,9/4 - 1 Z_)U, UU -4 ,oZZ -4 ,090 , 34

97X A<^ tkA 9 QQ 7 AA T R 1 A ITT T R 4 1 •UUU Z / j.Uu , D4Z -oy / ,uu -J, 9 lo -9,D4y , 1 33 3,09 97 -I /I A 09^ AA A9A RR Zo 1 .UUU Z / J • 4U ,04 J -yZ J , UU -_),o 1 O -9,09o • UZU , 99

1 AAA 90 A AA A A9 AA T /I T A 1 A^ T 1 A jD 1 . UUU ZoUoUU .opy -yuz ,uu -9 , 9 JO -J ,49U -, lUO -3, 1 U 1 AAA 9Q9 7A —-.QA9 AA A 1 Q RT Zo 1 . UUU ZBZ . jU , D04 CSdZ , UU -J , J /y -J , 90 -, U 1 0 — , JJ 1 AAA — QylA AA A9 A RQ 1 . UUU ZOJ . 1 , ODD C540,UU —J, 9 1 -9, JJO , UZU , jy 79 9R^ \« _DCO AA -T T7Q — — 1 90 \ . UUU ZD J . 1 , ODD OOZ , UU J , 9 /y —9 , 990 , Uh9 1 , zy

1 _ 1 OA j£. nnn , ODD -Rfi9OD^ oUUnn J • J 1 y J , J9D , UH9

^9 1 nnn -RR1 nn - 117 -^ R9 J£. 1 . UUU , ODD oo 1 , UU 9 , '+9^ 9 , 999 ,11' 9 • 9Z

^R 1 nnn 7QA nn -R9S nn _ AQQ -9 Rn JJ 1 • UUU z^u . uu , DOZ OZ , UU 9 , Z9^ 9, 1 ^D , UOO Z ,OU

1 nnn 9Qfi 1 n -7d^ nn -9 Q 1 -9 QQn n77 9 oR , O jD Z , y 1 9 ^ , 7 7U , u / / Z , 99

9R 1 nnn 9Q7 nn fiQQ -7Sfl nn -9 071 -9 QftR - nn4 - 1 9 1 .UUU 1 % UU / JO , UU , y DO , UU*t

A 1 nnn 9Q7 \tL — 77S nn — 9 RH —9 Qftd ART 9 fln 1 . UUU zy / . 1 ^ , oyy / j9, UU — Z , 00 Z , yOH ,Uo9 Z,qU

1 nnn TAA AA 7nfi _7R7 nn — 9 Qft7 —9 ROfi — n 79 -9 AV 1 .UUU _)UU .UU , / UD ~ 1 J 1 ©UU z , yo / — z ,oyo — ,U / — Z ,^ / _7/|c; 1 nnn TA^ r\A 71 T — AA — 9 Q9n — 9 R9fi — no R —_T Tfi jL 1 .UUU , / 1 -J / 4 9 , UU — z , y ZU — Z , OZO , uy9 9 • 90

Z A-J A>1 1 ^9 1 AAA 7 1 T — 7 1 R nn — 9 RAT —9 R9ft n9T fl 1 .UUU / 1 J , UU — Z ,OU9 — Z , OZO ,UZ9

T9 1 AAA "^A"^ r\A 7 1 T —f^QI AA _9 7AQ — 9 Q9A 117 A 1 /) 1 • UUU jUj. U4 , / 1 J) —oy 1 . UU — z , /uy — Z ,OZO • 11/ 4,14 T9 1 AAA TAT r\A 7 1 X AQ R AA 9 79/1 9 Q9A 1 A 1 T RR JZ 1 .UUU 3U3.U4 -oy J.UU -Z , / Z4 -Z,oZD , 1 U 1 J , 90 9Q 1 AAA TA AA 7 1 Q - 7 1 Q AA 9 Q 1 R - 9 7^, Q A/I Zo 1 . UUU 3U3 . OU , / 1 y / 1 O , UU -Z ,9 1 9 Z , / D 9 -, U4o -1,0/ 1 AAA 7 no E^A 7 O'J 9 RQ 9 AQ/1 AOT T y1 Q DD 1 .UUU 3Uy . DU , / Zo -OD 1 , UU -z, jy -Z,Do4 ,uy3 3,4o 1 AAA Z 1 A r\A "I AT Cf\ O "7~7 /I O £ R /I 1 1 A A R A z5 1 .000 31U.y4 . 73 1 -/U/,dU -Z , / /4 -Z,0 94 -,119 -4, 50

1 AAA Z 1 T AA O yl AA o /I o o c z z AAA Z ^ zo 1 .000 31 z.OO , /34 -0/4,00 -Z,d4Z -z,533 -,009 -,36 1 AAA Z OA AA T C Z C A A AA O A1 35 1 .000 3z0 .00 ,753 -d44 ,0U -2 , 524 -Z ,4 /O -,048 -1 ,94 "7 1 AAA Z O 1 AA 7 CZ^ A A O ^ O A O /I RO ATI 1 O ZD 1 .UUU 32 1 .UU . /55 -o3 5,UU -z,4oy -Z,458 -,031 -1,2/

32 1 .000 323.2 ,760 -599.00 -2.348 -2,418 ,070 2,88

32 1 .000 323.21 .760 -602.00 -2.360 -2,418 ,058 2,39

32 1 .000 323.21 ,760 -619.00 -2,426 -2,418 -,009 -,37

32 1 .000 323.21 ,760 -64 1 .00 -2,513 -2,418 -,095 -3,93

4 1 .000 323. 16 ,760 -606.00 -2,376 -2,419 ,043 1 ,78

4 1 .000 325.68 ,766 -595.00 -2,332 -2,374 ,041 1 ,74

33 1 .000 334 . 60 ,787 -555.70 -2, 178 -2,225 ,046 2,08

35 1 .000 340.00 ,800 -554,00 -2, 172 -2,141 -,031 -1 ,43

25 1 .000 344.27 ,810 -544,20 -2. 1 33 -2,078 -,055 -2,55

26 1 .000 344,30 ,810 -505,70 - 1 .982 -2,078 ,095 4,60

4 1 .000 346.46 ,81 -522,00 -2.046 -2,047 ,001 ,04

33 1 .000 353, 10 ,831 -489.20 -1.918 -1 ,957 ,039 1 .99

35 1 .000 360,00 ,847 -48 1 .00 -1 .886 -1 ,869 -,017 -.90

27 1 .000 368.25 ,865 -443.49 -1 .738 -1 ,77 ,033 1 .84 z7 1 .000 368.25 ,865 -444.20 - 1 .74 -1 ,771 ,030 1 .58 1 AAA 4 1 .000 370.86 ,872 -449 .00 -1 ,760 - 1 ,742 -,018 -1 .06 1 AAA Z "7 Z OO O "TO 1 C ~1 c Z/ 1 .UUU 373, zZ ,878 -427.53 - 1 ,576 - 1 .716 ,040 2.32 1 AAA Z T Z OO 0"70 Z/ 1 .UUU ,878 -429. 50 - 1 ,684 - 1 .716 ,032 1 .87 •z*z 1 AAA Z7 >1 OA O O A >1 Z 1 OA 1 £ A Z 1 ~7 A R A 1 Z 1 .UUU 3/4, ZU • ooU -43 1 .oO - 1 ,693 -1 .705 ,013 .73 9R 1 AAA Z77 tz.r\ o c o >1 Z Z O 1 1 AO AO A ZP 1 .UUU 3/ /,oU ,ooo -433.21 -1 ,698 - 1 .569 -, 029 - 1 .74 9

1 AAA Z07 1.A QT R z Q o AA 1 RO R 1 ^ O A A /I R Z A 1 4 1 .UUU 3y /, 34 -3oy, UU -1 jZj - 1 ,4o -, U49 -3.01 9"7 1 AAA ZQQ 1 A "Z7 A AO 1 A RA 1 /I 7Z AO Z 1 R R Z / 1 « UUU 3yo, 14 ,y3D -3 /U,UZ - 1 ,450 -1 ,4/3 ,UZ3 1 .55 97 1 AAA Z QQ 1 A Z7^^ AA 1 A ~l A 1 A' iX AA 1 A/1 Z / 1 . UUU 3yo, 14 ,y3o -3 /D,UU - 1 ,4/4 - 1 ,4/3 -, UU 1 -. U4 35 1.090 400,00 ,941 -371,00 -1,454 -1,457 ,003 .20 26 1.000 410,90 ,966 -353,60 -1,386 -1 ,358 -,018 -1 .33 25 1.000 410,94 .967 -358,02 -1,403 -1,368 -.035 -2.62

33 1 .000 413,00 ,971 -345.90 -1 .356 -1,352 -.004 -.31 35 1.000 420.00 .988 -329.00 -1.290 -1,299 ,010 .75 27 1.000 423. 14 .995 -325.61 -1 ,276 -1 ,277 .000 .04 27 1.000 423.14 ,995 -326,10 -1,278 -1,277 -.001 -.12 2 1.000 423. 16 ,995 -328,75 -1,289 -1 ,277 -.012 -.94 3 1.000 423,16 ,995 -328,70 -1,289 -1,277 -.012 -.92 4 1.000 426,37 1,003 -331,00 -1 ,298 -1 ,254 -.043 -3.45 26 1.000 427,60 1,006 -322,10 -1,263 -1,246 -.017 -1.35

59 11

Table 4. (Continued),

Data sources and ID numbers: (2)3eattie (1939), (3)Beattie (1942), (4 ) Bottom I ey (1964), (5)Bottomley (1977), ( 19)Kay, (25)Olds, (26)Gunn, (27)Jones, (28)Kapallo, (29)Sage,

(30)Kretschmer, (31 ) McG I ashan (32)Tripp, (33)Strein, (35)Das, (37 )Connol y. , I

ID Weight Temp. T/Tc B Br.(expt) Bp(calc) Diff. Diff.

K cm-" /mo 1 %

33 1.000 433.30 1 .019 -314.30 -1 .232 -1,208 -.024 -2.02 35 1.000 440.00 1.035 -294.00 -1.152 -1.165 .012 1.06

25 1 .000 444.27 1 .045 -289,98 -1 . 137 -1.139 .002 .18

26 1.000 444.30 1.045 -293.40 -1.150 - 1 . 1 39 -.012 -1.02

2 1 .000 448.16 1 .054 -286. 14 -1.122 -1.116 -.006 -.54 3 1.000 448,16 1,054 -287.30 -1. 126 -1.1 16 -.01 -.95

27 1 .000 448, 18 1,054 -286.24 -1.122 -1.116 -.007 -.59 27 1.000 448.18 1,054 -284.80 -1.1 16 -1.116 -.001 -.08

26 1 .000 460.90 1 .084 -272.20 -1.067 -1.044 -.023 -2. 16 35 1.000 470.00 1.105 -250.00 -.980 -.997 .017 1.74 33 1.000 472.80 1.112 -253.30 -.993 -.983 -.009 -.96

2 1 .000 473.16 1,1 13 -252.71 -.991 -.982 -.009 -.91 3 1.000 473. 16 1,113 -254,20 -.996 -.982 -.015 -1 .50 27 1.000 473,21 1,113 -255,50 -1.002 -.981 -.020 -2.05

27 1 .000 473,21 1,113 -256,30 -1.005 -.981 -.023 -2.37 25 1.000 477,60 1,123 -237,28 -.930 -.960 .030 3.14

26 1 .000 477,60 1,123 -245,90 -.964 -.960 -.004 -.38

33 1 .000 498,00 1,171 -220,30 -.864 -.870 .006 .69 2 1.000 498,16 1,172 -223,37 -.876 -,869 -.007 -.77 3 1.000 498.16 1,172 -224,50 -.880 -,869 -.01 -1.28

27 1 .000 498 70 1 . 1 77 -228. 48 - 077 27 1.000 498.20 1.172 -228.70 -.897 -,869 -.028 -3.19

35 1 .000 500.00 1,176 -215.00 -.843 -,861 .019 2.16 26 1.000 510.90 1,202 -199.90 -.784 -,818 .035 4.22

25 1 .000 510.94 1.202 -193.83 -.779 -.818 .039 4.72 2 1,000 523.16 1,231 -193.19 -.777 -.773 -.004 -.51 3 1.000 523,16 1,231 -198.10 -.777 -.773 -.004 -.47 35 1,000 530,00 1,247 -186.00 -.729 -.749 .020 2.67

35 1 .000 560,00 1,317 -161.00 -.631 -,655 .024 3.68 2 1.000 573,16 1.348 -154.09 -.604 -,619 .015 2.38

3 1 .000 573.16 1.348 -157.40 -.617 -,619 .002 .28

5 0.000 316,18 .744 -612.30 -2.400 -2.549 .149 5.85 5 0.000 341 ,49 .803 -518.90 -2.034 -2,119 .085 4,00 5 0.000 341,54 .803 -503.60 -1 .974 -2,1 18 .144 6,80 5 0.000 341,75 .804 -512.00 -2.007 -2,115 .108 5,11 5 0.000 341,83 .804 -513,30 -2.012 -2,114 .102 4,81 5 0.000 367,09 .863 -432,90 -1 .697 -1 .784 .087 4,90 5 0.000 367,13 .864 -432.30 -1 .695 -1.784 .089 5,00 5 0.000 367,83 .865 -435.30 -1.706 -1.776 .069 3,91 5 0.000 367,99 ,866 -429.70 -1.684 -1.774 .090 5.05 5 0.000 396,39 ,932 -368.60 -1 .445 -1.489 .044 2.94 5 0.000 396,46 .932 -367.60 -1.441 -1.488 .047 3.16 5 0.000 396,60 .933 -363.80 -1 .426 -1 .487 .061 4.08 5 0.000 427,88 1.006 -303.80 -1.191 -1.244 .053 4.26 5 0.000 427.88 1.006 -306.50 -1 .201 -1.244 .042 3.41 5 0.000 462.69 1.088 -248.60 -.975 -1.035 .060 5.84 5 0.000 462,86 1.089 -246.60 -.967 -1 .034 .067 6.51 5 0.000 463,32 1.090 -243.90 -.956 -1.032 .076 7.32 5 0.000 498,81 1.173 -213.90 -.838 -.866 .028 3.21 5 0.000 498,98 1.174 -201.40' -.789 -.866 .076 8.79 5 0.000 537,16 1.263 -167.10 -.655 -.725 .070 9.68 5 0.000 537,32 1.264 -160.50 -,629 -.725 .096 13.19

5 0.000 537,38 1 .264 -158.10 -,620 -.725 .105 14.46 5 0.000 579,46 1.363 -125,90 -,494 -.602 .109 18.05

5 0.000 580,48 1 .365 -124,60 -.488 -.600 .111 18.54 19 0.000 310,94 .731 -742,80 -2.912 -2.554 -.257 -9.69 19 0.000 338,72 .797 -585.19 -2,294 -2. 161 -. 133 -6. 18 19 0.000 366,49 .862 -502,69 -1,971 -1.791 -.179 -10.01 19 0.000 394.27 .927 -421.99 -1,654 -1.508 -. 147 -9.73 19 0.000 422.05 .993 -333.38 -1,307 -1.285 -.022 -1.73 19 0.000 449.83 1.058 -294.38 -1,154 -1 .106 -.043 -4.34 19 0.000 477.60 1.123 -257.05 -1,008 -.960 -.047 -4.93

60 1 . . / /. ; A0 9

Table 4. (Cont inued )

Data sources and ID numbers: (2)Beattie (1939), (3)Beattle (1942), (4 ) Bottom I ay (1964),

(5)Bottomley (1977), ( 19)Kay, (25)Olds, (26)Gunn, (27)Jones, (28)Kapallo, (29)3age, (30)Kretschmer, (31 )McGlashan, (32)Tripp, (33)Strein, (35)Das, (37)Connol y. I

D 1 n T/T n ; P f n I f f i r 1 1 r T 1 T T 1 U We g ht Temp. D dpi ex p Dp \ Co C J u . U . d i\ cm^ /mo 1 f>

1 o 1 1 RQ ~— Q/in — A AO u • uuu PUj . JO 1 . 1 oy —ZZj . 0 • 0^ \j • UJ 1 ^^7 1 Q 1 9'^4 —9n 1 _ 7QQ — n m —_fi ftQ u«uuu J . ID —ZU 1 . J .U J 1 0 .oy 71c: 1 o n nnn 1 1 Q _ — nfi ^ —-0 <^4 u • uuu JDU . 1 • J 1 ^ I O ^ . J 1 . UOJ y . 0'+

1 Q n nnn "iRft 79 -IfiR 9Q _ K7Q - ns 1 - 1 Q7 1 ^ u» uuu 1 . JO J 1 oo • DOU . UO 1

n 1 n Qd 1 -fifin fii -? -9 fiSA nfis 9 44 non . 7^/ J 1 son n nnn ^77 fin 771 -filfi '^^ -9 "^4.0 - n7fi J • uuu U t U . JJ .u / u J . J n nnn ^44 97 SI n -'ifi7 S7 -9 99 S -9 n7ft _ 147 -7 nR u • uuu . O 1 u JU / . J z • u / 0 / . U J 1 qc n nnn fi&Q -S9'^ fi7 -9 ns"^ - 1 RS7 _ -in 'i'^ u • uuu JUU . 1 1 U . > J 1 9Q n nnn ^77 fin -sni "14 _ f:;f;q _ 907 - 1 7 7Q u • uuu . ooo JU 1 . JH 1 • ^Uu

9Q n nnn 9ft - 1 RSI -1 SOR -99 R 1 997 -479 1 • JKJO . JH -t ^ ^ .0 t

n nnn ^03 Ifi 7 1 3 -7fii nn -9 Qft"^ -9 ^9"^ - ifin fift . / 1 J z • oz_y . 1 uu J . 00 XI n nnn 9Qfi on -9 ft99 -9 Qft9 J \ 40 697 -790. Z • 70Z . 1 uu J. JU

1. 1 n.onn -9.797/ 1 1 4.19 J \ .723 -667.00 z • z /

T n nnn 1 fi 90 74R -fiiQ nn -9 A9fi -9 Sin nft4 J 1 u • uuu O 1 -7 . uu . UOH J • JH n nnn ^9ft on 11& -Sfift nn -9 997 —9 "^1 nQ9 Qfi D 1 J • uuu J^O . 7U 9 f / H joo .uu "z • J 1 J . yo T 1 n nnn z^7 on 7QR — pix'^ nn 1 7 R AQ R X Q9 J 1 u«uuu J J ( . OU . / y J — JJ J.UU — z«uoy .Uo J J .y^

n nnn -KAQ /in fi 1 Q _Rni nn _ 1 QA>1 9 7Q J 1 u • uuu J'to . 'fU .o 1 y — JU 1 . uu — 1 • yD4 —z wUzU .U JD 7 1 n nnn x^i5 >in 1 007 _ 1 QQ Q AA9 J 1 U • uuu J JO .4U . OH J —HDD .uu — 1 •ooy J. ZO 31 0.000 368.40 .866 -440.00 -1.725 -1 .769 .045 2.52

yi 1 n on A C A J U« UUU J / / .yu .otsy -4 1 U. UU - 1 .OU - 1 .boo 3.53 31 0.000 387.60 .912 -383.00 -1 .501 -1 .569 .068 4.33

-353 - 1 ^R4 -1 4S4 n7n 4 ft9 —' 1 0.000 400.40 .949 J J J . (Jvon I . JO^ 1 .H JH .u / u 4 •0 z 31 0.000 413.40 .972 -322.00 -1 .262 -1.349 .086 6.40 37 0.000 344.26 ,810 -517.00 -2.027 -2.078 .052 2.49

37 0.000 360.93 .849 -464.70 -1.822 -1.857 .036 1 .92 37 0.000 377.59 .888 -418.60 -1.641 -1.669 .028 1.70 37 0.000 394.26 .927 -381 .30 -1 .495 -1 .508 .013 .86 37 0.000 406.87 .957 -356.10 -1.396 -1.400 .004 .29 37 0.000 410.93 .967 -348.60 -1 .367 -1.368 .001 .09 37 0.000 444.26 1.045 -289.80 -1.136 -1.139 .003 .24

Number of data points = 94; rms deviation = 2.11?.

61 Table 5. Behavior of coefficients of equation of state for normal butane (eq (6)).

P/Pc To e Pg B(P) C(p) K K MPa

.10 348,775 326.499 .9207 .45827 -.52914 .20 379.794 362.591 1.7320 .46342 -.44607 .30 397.551 385.396 2.3859 .47199 -.36821 .40 408.763 400.847 2.8891 .48399 -.29608 .50 415.972 41 1.292 3.2581 .49942 -.23011 .60 420.518 418.089 3.5131 .51828 -.17061 .70 423.211 422.177 3.6739 .54056 -.1 1780 .80 424.589 424.282 3.7597 .56628 -.07177 .90 425.091 425.053 3.7916 .59542 -.03254 1.00 425.160 425. 160 3.7960 .62800 0.00000 1.10 425.081 425.043 3.7909 .66400 .02603 1.20 424.595 424.287 3.7600 .70343 ,04583 1.30 423.384 422.351 3.6845 .74629 .05975 1.40 421 ,193 418.760 3.5526 .79258 .06819

1 .50 417,816 413.115 3.3593 .84230 .07161

1 .60 413,099 405.099 3.1062 .89544 .07053 1.70 406,927 394.485 2.8012 .95202 .06547

1 .80 399,224 381.141 2.4561 1.01202 .05700 1.90 389,940 365.035 2.0860 1.07546 .04567 2.00 379,049 346,239 1.7079 1.14232 .03203 2.10 366,541 324.930 1.3394 1.21261 .01663 2.20 352,424 301.385 .9975 1.28633 .00000 2.30 336,719 275.985 .6976 1.36347 -.01738

2.40 319,471 249.196 .451 1 1.44405 -.03505 2.50 300,745 221.563 .2641 1.52806 -.05259 2.60 280,642 193.688 .1361 1.61549 -.06964

2.70 259,299 166.199 .0592 1 .70635 -.08588 2.80 236,894 139,716 .0205 1.80064 -.10103

2.90 213,646 1 14.817 .0052 1.89836 -.1 1488 3.00 189.803 91,993 .0008 1.99951 -.12724 3.10 165.632 71,616 .0001 2.10409 -.13800 3.20 141.394 53,922 .0000 2.21210 -. 14707

3,30 1 17.329 38,996 .0000 2.32353 -. 15442

62 63 )

Table 7. Comparisons of experimental P-p-T data of normal butane with eq (6).

Summary of P-p-T data comparisons.

Range of Data IMo. of Dev i at ions . — Authors T(K) P(MPa) p( kg/m3 Poi nts Ap/p, rms AP/P,mean (%) {%)

Beattie [31 423-573 1.5 - 36.3 29-494 115 0.54 0.56 Kay [441 31 1-589 0.2 - 8.3 5-513 437 0.50 0.43 Olds [51] 311-511 0.07- 68.9 1-632 209 0.27 1.18 Sage [64] 294-394 0.1 - 20.7 2-610 154 0.75 11.27 Haynes [351 140-300 1.7 - 36.1 572-745 105 0.06 4.55 Virial equation (this report) 300-700 0.2 - 0.6 5.8 41 0.26 0.24

Total number of points used in fit = 907 Overall rms density deviation = 0.42? Overall mean pressure deviation = \.09%

64 1 1

Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)Beattie, (19)Kay, (25)0lds, (29)Sage (XXXX)Haynes.

ID Data Weight Temp. Dens i ty Dens i ty Dens i ty Pressu f^expt ^ca 1 c Point ex pt calc Diff. Diff. No. K mol/L kg/m^ kg/m-5 i MPa MPa %

1 1 .000 300.000 .100 5.81 5.78 .52 .2310 .2321 -.48 2 1.000 310.000 .100 5.81 5.79 .40 .2402 .241 -.38

3 1 .000 320.000 .100 5.81 5.80 .30 .2493 .2500 -.28 4 1.000 330.000 .100 5.81 5.80 .20 .2583 .2588 -. 19 5 1.000 340.000 .100 5.81 5.81 .12 .2673 .2676 -.11 6 1.000 350.000 .100 5.81 5.81 .05 .2762 .2763 -.04 7 1.000 360.000 .100 5.81 5.81 -.02 .2851 .2850 .01 8 1.000 370.000 .100 5.81 5.82 -.07 .2939 .2937 .07

9 1 .000 380.000 .100 5.81 5.82 -.11 .3027 .3024 .11 10 1.000 390.000 .100 5.81 5.82 -.15 .3115 .31 10 .15

1 1.000 400.000 .100 5.81 5.82 -.19 .3202 .3196 .18 12 1.000 410.000 .100 5.81 5.82 -.21 .3289 .3283 .21 13 1.000 420.000 .100 5.81 5.83 -.24 .3376 .3369 .23 14 1.000 430.000 .100 5.81 5.83 -.25 .3463 .3455 .25

15 1 .000 440.000 . 100 5.81 5.83 -.27 .3550 .3540 .26 16 1.000 450.000 .100 5.81 5.83 -.28 .3636 .3626 .27

17 1.000 460.000 . 100 5.81 5.83 -.29 .3722 .3712 .28 18 1.000 470.000 .100 5.81 5.83 -.30 .3808 .3797 .29 19 1.000 480.000 .100 5.81 5.83 -.30 .3894 .3883 .29 20 1.000 490.000 .100 5.81 5.83 -.30 .3980 .3968 .30 21 1.000 500.000 .100 5.81 5.83 -.31 .4066 .4054 .30 22 1.000 510.000 .100 5.81 5.83 -.31 .4152 .4139 .30

23 1 .000 520.000 . 100 5.81 5.83 -.31 .4237 .4224 .30 24 1.000 530.000 .100 5.81 5.83 -.30 .4322 .4310 .30 25 1.000 540.000 .100 5.81 5.83 -.30 .4408 .4395 .30 26 1.000 550.000 .100 5.81 5.83 -.30 .4493 .4480 .29 27 1.000 560.000 .100 5.81 5.83 -.29 .4578 .4565 .29 28 1.000 570.000 .100 5.81 5.83 -.29 .4663 .4650 .28

29 1.000 580.000 . 100 5.81 5.83 -.28 .4748 .4735 .28 30 1.000 590.000 .100 5.81 5.83 -.28 .4834 .4820 .27 31 1.000 600.000 .100 5.81 5.83 -.27 .4918 .4905 .27 32 1.000 610.000 .100 5.81 5.83 -.26 .5003 .4990 .26

33 1 .000 620.000 .100 5.81 5.83 -.26 .5088 .5075 .25

34 1 .000 630.000 .100 5.81 5.83 -.25 .5173 .5160 .25 35 1.000 640.000 .100 5.81 5.83 -.24 .5258 .5245 .24 36 1.000 650.000 .100 5.81 5.83 -.24 .5343 .5330 .24 37 1.000 660.000 .100 5.81 5.83 -.23 .5427 .5415 .23

38 1.000 670.000 . 100 5.81 5.83 -.22 .5512 .5500 .22 39 1.000 680.000 .100 5.81 5.82 -.22 .5597 .5585 .21

40 1 .000 690.000 . 100 5.81 5.82 -.21 .5681 .5669 .21 41 1.000 700.000 .100 5.81 5.82 -.20 .5766 .5754 .20

65 Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)Beattie, (19)Kay, (25)Olds, (29)Sage, (XXXX)Haynes.

Data Weight Temp. Density Density Density ^expt ^calc Pressure Point expt caic Diff. Diff. No, K mol/L kg/m- I

3 42 1.000 423.150 .500 29.06 28.97 .33 1.4875 1.4915 -.27

3 43 1 .000 448.150 .500 29.06 29.00 .22 1 .6121 1.6151 -.19

3 44 1.000 473.150 .500 29.06 29.01 . 19 1.7337 1 .7366 -.17

3 45 1.000 498.150 .500 29.06 29.02 .14 1 .8542 1.8566 -.13

3 46 1.000 523.150 .500 29.06 29.04 .09 1 .9738 1.9754 -.08 3 47 1.000 548.150 .500 29.06 29.05 .05 2.0924 2.0933 -.04

3 48 1 .000 573.150 .500 29.06 29.06 .02 2.2099 2.2104 -.02 3 49 1.000 423.150 1.000 58.12 57.67 .77 2.5007 2.5133 -.50 3 50 1.000 448.150 1.000 58.12 57.67 .79 2.7864 2.8022 -.56 3 51 1.000 473.150 1.000 58.12 57.69 .74 3,0641 3.0814 -.56 3 52 1.000 498.150 1.000 58.12 57.73 .68 3.3356 3.3539 -.54 3 53 1.000 523.150 1.000 58.12 57.75 .64 3.6021 3.6213 -.53

3 54 1 .000 548.150 1.000 58.12 57.84 .49 3.8686 3.8850 -.42 3 55 1.000 573.150 1.000 58.12 57.87 .43 4.1300 4.1456 -.38 3 56 1.000 423.150 1.500 87.19 86.46 .83 3.1350 3.1469 -.38 3 57 1.000 448.150 1.500 87.19 86.31 1.00 3.6153 3.6360 -.57 3 58 1.000 473.150 1.500 87.19 86.31 1.01 4.0753 4.1022 -.65 3 59 1.000 498.150 1.500 87.19 86.44 .85 4.5262 4.5538 -.61

3 60 1 .000 523.150 1.500 87.19 86.51 .77 4.9659 4.9951 -.58 3 61 1.000 548.150 1.500 87.19 86.68 .58 5.4037 5.4287 -.46 3 62 1.000 573.150 1.500 87.19 86.79 .45 5.8343 5.8562 -.37 3 63 1.000 423.150 2.000 116,25 115.51 .63 3.4846 3.4905 -.17 3 64 1.000 448.150 2.000 116.25 115.22 .89 4. 1857 4.2023 -.39 3 65 1.000 473.150 2.000 116.25 115.24 .87 4.8514 4.8750 -.48 3 66 1.000 498.150 2.000 116.25 115.44 .70 5.5009 5.5257 -.45 3 67 1.000 523.150 2.000 116.25 115.74 .43 6. 1423 6. 1612 -.31

3 68 1 .000 548.150 2.000 116.25 115.91 .29 6.7705 6.7856 -.22 3 69 1.000 573.150 2.000 116.25 116.10 .13 7.3937 7.4012 -.10 3 70 1.000 423.150 2.500 145.31 144.87 .30 3.6406 3.6419 -.04 3 71 1.000 448.150 2.500 145.31 144.31 .69 4.5748 4.5859 -.24

3 72 1 .000 473.150 2.500 145.31 144.55 .52 5.4634 5.4776 -.26 3 73 1.000 498.150 2.500 145.31 144.91 .28 6.3328 6.3433 -.17

3 74 1.000 523.150 2,500 145.31 145.17 . 10 7. 1870 7. 1918 -.07 3 75 1.000 548.150 2.500 145.31 145.59 -.19 8.0391 8.0275 .15 3 76 1.000 573.150 2.500 145.31 145.84 -.36 8.8791 8.8531 .29 3 77 1.000 448.150 3.000 174.37 173.57 .46 4.8525 4.8591 -.14 3 78 1.000 473.150 3.000 174.37 174.12 .15 5.9772 5.9813 -.07

3 79 1 .000 498.150 3.000 174.37 174.60 -.13 7.0857 7.0801 .08 3 80 1.000 523.150 3.000 174.37 174.91 -.31 8.1810 8.1632 .22 3 81 1.000 548.150 3.000 174.37 175.44 -.61 9.2793 9.2344 .49 3 82 1.000 573.150 3.000 174.37 175.70 -.76 10.3635 10.2961 .65

3 83 1 .000 448.150 3.500 203.44 202.22 .60 5.0744 5.0835 -. 18 3 84 1.000 473.150 3.500 203.44 203.09 .17 6.4493 6.4551 -.09 3 85 1.000 498.150 3.500 203.44 203.85 -.21 7.8233 7.8124 .14 3 86 1.000 523.150 3.500 203.44 204.21 -.38 9.1871 9. 1594 .30

3 87 1 .000 548.150 3.500 203.44 204.86 -.70 10.5631 10.4980 .62

3 88 1.000 573.150 3.500 203.44 205.17 -.85 1 1.9260 11.8292 .82 3 89 1.000 448.150 4.000 232.50 229.40 1.33 5.2861 5.31 18 -.48 3 90 1.000 448.150 4.000 232.50 229.77 1.17 5.2892 5.31 18 -.43 3 91 1.000 473.150 4.000 232.50 231.80 .30 6.9519 6.9650 -.19 3 92 1.000 473.150 4.000 232.50 231.15 .58 6.9397 6.9650 -.36 3 93 1.000 498.150 4.000 232.50 232.98 -.21 8.6329 8.6183 .17 3 94 1.000 498.150 4.000 232.50 232.27 .10 8.61 16 8.6183 -.08

3 95 1 .000 523.150 4.000 232.50 233.69 -.51 10.3189 10.2698 .48 3 96 1.000 523.150 4,000 232.50 232.90 -.17 10.2865 10.2698 .16

66 1

Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)Beattie, (19)Kay, (25)0lds, (29)Sage, (XXXX)Haynes.

ID Data Weight Temp. Density Density Density ^expt '^calc Pressure Point expt calc Diff. Diff. No. K mol/L kg/m^ Wg/m^ % MPa MPa %

3 97 1 .000 548. 150 4.000 232.50 234.31 -.78 12.0141 1 1 .9183 .80

3 98 1 .000 548.150 4.000 232.50 233.66 -.50 1 1.9797 1 1.9183 .51

3 99 1 .000 573. 150 4.000 1S32.50 234.71 -.95 13.7062 13.5629 1 .05

3 100 1 .000 573. 150 4.000 232.50 234.09 -.68 13.6657 13.5629 .76

3 101 1 .000 448. 150 4.500 261 .56 257.05 1.72 5.5354 5.5818 -.83 3 102 1.000 473.150 4.500 261 .56 259.28 .87 7.5143 7.5663 -.69

3 103 1 .000 498. 150 4.500 261 .56 260.68 .34 9.5367 9.5684 -.33

3 104 1.000 523.150 4.500 261 .56 261.49 .03 1 1.5754 1 1 .5789 -.03 3 105 1.000 548.150 4.500 261.56 262.27 -.27 13.6383 13.5930 .33 3 106 1.000 573.150 4.500 261 .56 262.67 -.42 15.6932 15.6074 .55 3 107 1.000 425.160 5.000 290.62 288.79 .63 3.8260 3.8302 -.11 3 108 1.000 448.150 5.000 290.62 287.60 1.04 5.9072 5.9536 -.78

3 109 1.000 448.150 5.000 290.62 286.51 1 .41 5.8910 5.9536 -1 .05 3 110 1.000 473.150 5.000 290.62 289.42 .41 8.3046 8.3417 -.44 3 111 1.000 473.150 5.000 290.62 288.16 .85 8.2661 8.3417 -.91 3 112 1.000 498.150 5.000 290.62 290.60 .01 10.7638 10.7647 -.01

3 113 1 .000 498.150 5.000 290.62 289.54 .37 10.7141 10.7647 -.47 3 114 1.000 523. 150 5.000 290.62 291.36 -.25 13.2533 13.2064 .35

3 1 15 1.000 523.150 5.000 290.62 290.35 .09 13. 1895 13.2064 -.13 3 116 1.000 548.150 5.000 290.62 291 .95 -.46 15.7652 15.6581 .68 3 117 1.000 548.150 5.000 290.62 290.93 -.11 15.6831 15.6581 .16

3 118 1.000 573.150 5.000 290.62 292.48 -.64 18.2952 18. 1 142 1.00 3 119 1.000 573.150 5.000 290.62 291 .32 -.24 18. 1818 18.1 142 .37 3 120 1.000 425.160 5.500 319.68 318.19 .47 3.9669 3.9798 -.33

3 121 1 .000 448.150 5.500 319.68 317.90 .56 6.5041 6.5506 -.71 3 122 1.000 473.150 5.500 319.68 318.97 .22 9.4101 9.4425 -.34 3 123 1.000 498.150 5.500 319.68 319.80 -.04 12.3900 12.3822 .06

3 124 1 .000 523.150 5.500 319.68 320.41 -.23 15.4105 15.3483 .41

3 125 1 .000 548 . 1 50 5.500 319.68 320.87 -.37 18.4553 18.3291 .69

3 126 1 .000 573.150 5.500 319.68 321 .27 -.50 21 .5174 21 .3169 .94

3 127 1 .000 425. 160 6.000 348.75 347.41 .38 4.3975 4.4284 -.70

3 128 1 .000 448. 150 6.000 348.75 347.61 .32 7.5305 7.5823 -.68

3 129 1 .000 473. 150 6.000 348.75 348. 17 . 16 1 1 .0677 1 1 .1081 -.36

3 130 1 .000 498. 150 6.000 348.75 348.83 -.02 14.6942 14.6861 .05

3 131 1 .000 523. 150 6.000 348.75 349.23 -.14 18.3510 18.2935 .31

3 132 1 .000 548. 150 6.000 348.75 349.59 -.24 22.0382 21 .9166 .55

3 133 1 .000 573. 150 6.000 348.75 349.85 -.32 25.7325 25.5466 .73

3 134 1 .000 425. 160 6.500 377.81 376.37 .38 5.4047 5.4769 -1 .32

3 135 1 .000 448. 150 6.500 377.81 376.76 .28 9.2885 9.3713 -.88

3 136 1 .000 473. 1 50 6.500 377.81 377. 15 .17 13.6171 13.6886 -.52

3 137 1 .000 498. 150 6.500 377.81 377.58 .06 18.0207 18.0530 -. 18

3 138 1 .000 523. 150 6.500 377.81 377.88 -.02 22.4556 22.4427 .06

3 139 1 .000 548. 150 6.500 377.81 378.1 -.08 26.9048 26.8444 .23 3 140 1.000 573.150 6.500 377.81 378.32 -.14 31 .3662 31 .2488 .38

3 141 1 .000 425. 160 7.000 406.87 405.33 .38 7.4241 7.5699 -1 .93 3 142 1.000 448.150 7.000 406.87 405.63 .31 12.2188 12.3801 -1 .30 3 143 1.000 473.150 7.000 406.87 405.95 .23 17.5161 17.6701 -.87 3 144 1.000 498.150 7.000 406.87 406.24 .16 22.8640 22.9929 -.56 3 145 1.000 523. 150 7.000 406.87 406.41 .11 28.2200 28.3301 -.39 3 146 1.000 548.150 7.000 406.87 406.47 .10 33.5588 33.6696 -.33

3 147 1.000 425.160 7.500 435.93 434.23 .39 1 1 .0404 1 1.3183 -2.46

3 148 1 .000 448.150 7.500 435.93 434.54 .32 16.9507 17.2358 -1 .65

3 149 1 .000 473. 150 7.500 435.93 434.63 .30 23.3767 23.7006 -1.37 3 150 1.000 498.150 7.500 435.93 434.94 .23 29.8848 30.1760 -.97 3 151 1.000 523.150 7.500 435.93 434.98 .22 36.3281 36.6481 -.87 3 152 1.000 425.160 8.000 464.99 463.13 .40 17.0337 17.5247 -2.80 3 153 1.000 448.150 8.000 464.99 463.42 .34 24.2663 24.7575 -1 .98 3 154 1.000 473.150 8.000 464.99 463.27 .37 31 .9893' 32.6184 -1 .93 3 155 1.000 425.160 8.500 494.06 492.07 .40 26.4134 27.2128 -2.94 3 156 1.000 448.150 8.500 494.06 492.26 .36 35.1618 35.9860 -2.29

67 1 .

Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)Beattie, (19)Kay, (25)0lds, (29)Sage, (XXXX)Haynes.

ID Data Weight Temp. Dens i ty Dens i ty Dens i ty p Pressure expT ca 1 c

Poi nt expt ca 1 c Diff Diff. No. K mol/L kg/m-^ kg/m^ % MPa MPa $

19 157 1 .000 310.928 .079 4.58 4.56 .41 .1924 .1931 -.39 19 158 1.000 338.706 .079 4.58 4.57 .23 .21 17 .2121 -.22

19 159 1 .000 366.483 .079 4.58 4.58 .01 .2310 .2310 -.01

19 160 1 .000 394.261 .079 4.58 4.57 .07 .2496 .2498 -.07 19 161 1.000 422.039 .079 4.58 4.58 -. 17 .2689 .2684 .17 19 162 1.000 449.817 .079 4.58 4.58 -.15 .2875 .2871 .15

19 163 1 .000 477.594 .079 4.58 4.57 .08 .3054 .3057 -.08 19 164 1.000 505.372 .079 4.58 4.57 .06 .3241 .3242 -.06 19 165 1.000 533. 150 .079 4.58 4.57 .04 .3427 .3428 -.04 19 156 1.000 560.928 .079 4.58 4.57 .20 .3606 .3613 -.20

19 167 1 .000 588.706 .079 4.58 4.57 .17 .3792 .3798 -.17

19 168 1 .000 310.928 .085 4.93 4.90 .52 .2062 .2072 -.49 19 169 1.000 338.706 .085 4.93 4.92 .10 .2275 .2277 -.09 19 170 1.000 366.483 .085 4.93 4.92 .25 .2475 .2481 -.24 19 171 1.000 394.261 .085 4.93 4.94 -.21 .2689 .2684 .20 19 172 1.000 422.039 .085 4.93 4.95 -.37 .2896 .2885 .36

19 173 1 .000 449.817 .085 4.93 4.93 -.08 .3089 .3086 .08 19 174 1.000 477.594 .085 4.93 4.93 -.05 .3289 .3287 .05 19 175 1.000 505.372 .085 4.93 4.93 -.04 .3489 .3487 .04 19 176 1.000 533. 150 .085 4.93 4.92 .16 .3682 .3687 -.15

19 177 1 .000 560.928 .085 4.93 4.92 .15 .3882 .388 7 -.14 19 178 1.000 588.705 .085 4.93 4.91 .30 .4075 .4087 -.30

19 179 1 .000 310.928 .092 5.34 5.32 .33 .2227 .2234 -.31 19 180 1.000 338.706 .092 5.34 5.33 .15 .2455 .2458 -.14

19 181 1 .000 366.483 .092 5.34 5.33 .17 .2675 .2680 -.16 19 182 1.000 394.261 .092 5.34 5.33 .14 .2896 .2900 -.13 19 183 1.000 422.039 .092 5.34 5.35 -.15 .3123 .31 19 .15 19 184 1.000 449.817 .092 5.34 5.34 .00 .3337 .3337 -.00

19 185 1 .000 477.594 .092 5.34 5.33 .12 .3551 .3555 -. 12 19 186 1.000 505.372 .092 5.34 5.34 .03 .3771 .3772 -.03 19 187 1.000 533. 150 .092 5.34 5.33 .11 .3985 .3990 -.11 19 188 1.000 560.928 .092 5.34 5.33 .18 .4199 .4206 -. 18 19 189 1.000 588.706 .092 5.34 5.33 .24 .4413 .4423 -.24 19 190 1.000 310.928 .100 5.82 5.80 .47 .2413 .2424 -.44 19 191 1.000 338.706 .100 5.82 5.82 .05 .2568 .2570 -.05 19 192 1.000 365.483 .100 5.82 5.82 .10 .2910 .2912 -.10 19 193 1.000 394.261 .100 5.82 5.82 .08 .3151 .3153 -.08 19 194 1.000 422.039 .100 5.82 5.84 -.18 .3399 .3393 .17 19 195 1.000 449.817 .100 5.82 5.83 -.04 .3634 .3632 .04 19 196 1.000 477.594 .100 5.82 5.82 .07 .3868 .3870 -.06 19 197 1.000 505.372 .100 5.82 5.83 -.03 .4109 .4108 .03 19 198 1.000 533.150 .100 5.82 5.82 .04 .4344 .4346 -.04 19 199 1.000 560.928 .100 5.82 5.81 .25 .4571 .4583 -.25 19 200 1.000 588.706 .100 5.82 5.82 .15 .4813 .4820 -.14 19 201 1.000 310.928 .110 6.41 6.39 .32 .2641 .2649 -.30

19 202 1 .000 338.706 .1 10 6.41 6.40 .16 .2916 .2921 -.15 19 203 1.000 366.483 .110 6.41 6.38 .36 .3178 .3190 -.35 19 204 1.000 394.261 .1 10 6.41 6.40 .05 .3454 .3456 -.05 19 205 1.000 422.039 .1 10 6.41 6.41 -.07 .3723 .3721 .07

19 206 1 .000 449.817 .1 10 6.41 6.41 -.02 .3985 .3984 .02 19 207 1.000 477.594 .1 10 6.41 6.42 -.16 .4254 .4247 .16 19 208 1.000 505.372 .1 10 6.41 6.41 .01 .4509 .4510 -.01 19 209 1.000 533.150 .1 10 6.41 5.40 .15 .4764 .4771 -.15 19 210 1.000 560.928 .110 6.41 6.40 .13 .5026 .5033 -.13 19 21 1.000 588.706 .110 5.41 6.39 .24 .5281 .5294 -.24

68 51 0. 1.

Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)Beattie, (19)Kay, (25)Olds, (29)Sage, (XXXX)Haynes.

ID Data Weight Temp. Dens i ty Dens i ty Dens i ty Pressure f^expt ^ca 1 c

i f f nt expt ca 1 c Di f f D Poi z No. K mol/L kg/m-^ kg/m-' % MPa MPa %

19 212 1.000 310.928 .122 7.12 7.09 .35 .2910 .2919 -.32 19 213 1.000 338.706 .122 7.12 7.1 .15 .3220 .3224 -.14

19 214 1 .000 366.483 .122 7.12 7.10 .25 .3516 .3525 -.24

19 215 1.000 394.261 .122 7.12 7. 1 .07 .3820 .3822 -.07 19 216 1.000 422.039 .122 7.12 7.13 -.13 .4123 .41 18 .12 19 217 1.000 449.817 .122 7.12 7,12 -.01 .4413 .4412 .01 19 218 1.000 477.594 .122 7.12 7.11 .07 .4702 .4705 -.07 19 219 1.000 505.372 .122 7.12 7.12 -.02 .4999 .4998 .02 19 220 1.000 533. 150 .122 7.12 7.12 .03 .5288 .5290 -.03 19 221 1.000 560.928 .122 7.12 7.11 .06 .5578 .5581 -.06

19 222 1 .000 588.706 .122 7.12 7.10 .20 .5861 .5872 -.20 19 223 1.000 310.928 .138 8.01 7.97 .54 .3234 .3250 -.49

19 224 1 .000 338.706 .138 8.01 7.98 .36 .3585 .3597 -.33 19 225 1.000 366.483 .138 8.01 7.99 .23 .3930 .3938 -.21 19 226 1.000 394.261 .138 8.01 8.01 .02 .4275 .4276 -.02

19 227 1 .000 422.039 .138 8.01 8.01 -.06 .4613 .4610 .05

19 228 1 .000 449.817 .138 8.01 8.01 -.01 .4944 .4943 .01 19 229 1.000 477.594 .138 8.01 8.00 .13 .5268 .5274 -.13

19 230 1 .000 505.372 .138 8.01 8.01 -.01 .5605 .5605 .01

19 231 1 .000 533. 150 .138 8.01 8.00 .09 .5929 .5935 -.09

19 232 1 .000 560.928 .138 8.01 8.01 .05 .6260 .6264 -.05

19 233 1 .000 588.706 .138 8.01 8.00 .12 .6584 .6592 -. 12

19 234 1 .000 338.706 .157 9.15 9.14 . 16 .4061 .4067 -.15

19 235 1 .000 366.483 .157 9.15 9. 14 . 18 .4454 .4461 -. 16

19 236 1 .000 394.261 .157 9.15 9.13 .22 .4840 .4850 -.21

19 237 1 .000 422.039 .157 9.15 9. 1 5 .05 .5233 .5236 -.05

19 238 1 .000 449.8 17 .157 9. 15 9. 14 . 12 .5612 .5619 -. 1

19 239 1 .000 477.594 .157 9.15 9. 16 -. 1 .6005 .6000 .09

19 240 1 .000 505.372 .157 9.15 9. 16 -.08 .6385 .6380 .08

19 241 1 .000 533. 150 .157 9.15 9. 1 .02 .6757 .6758 -.02

19 242 1 .000 560.928 .157 9.15 9.15 .00 .7136 .7136 -.00

19 243 1 .000 588.706 .157 9.15 9. 1 5 .07 .7508 .7514 -.07

19 244 1 .000 338.706 .184 10.68 10.66 .19 .4668 .4676 -.17

19 245 1 .000 366.483 .184 10.68 10.68 -.01 .5143 .5143 .01

19 246 1 .000 394.261 .184 10.68 10.66 .21 .5592 .5603 -.19 19 247 1.000 422.039 .184 10.68 10.67 .06 .6054 .6057 -.06

19 248 1 .000 449.817 .184 10.68 10.67 .10 .6502 .6508 -.10

19 249 1 .000 477.594 .184 10.68 10.69 -.11 .6964 .6956 .10 19 250 1.000 505.372 .184 10.68 10.68 -.03 .7405 .7403 .03

19 251 1 .000 533. 150 .184 10.68 10.70 -. 16 .7860 .7848 .15 19 252 1.000 560.928 .184 10.68 10.68 -.03 .8294 .8292 .03

19 253 1 .000 588.706 .184 10.68 10.67 .07 .8729 .8735 -.07

19 254 1 .000 338.706 .197 11.44 1 1 .40 .34 .4957 .4972 -.30

19 255 1 .000 366.483 .197 1 1.44 1 1 .42 .20 .5468 .5477 -.18

19 256 1 .000 394.261 .197 1 1 .44 1 1 .42 .16 .5964 .5973 -.15

19 257 1 .000 422.039 .197 1 1 .44 1 1 .44 .03 .6460 .6462 -.03

19 258 1.000 449.817 .197 11.44 1 1 .43 .07 .6943 .6948 -.07

19 259 1 .000 477.594 .197 1 1.44 11.45 -.03 .7433 .7430 .03 19 260 1.000 505.372 .197 11.44 11 .46 -.15 .7922 .7910 .15

19 261 1.000 533.150 .197 1 1.44 1 1 .43 .06 .8384 .8389 -.06

19 262 1.000 560.928 .197 1 1.44 11.45 -.09 .8874 .8866 .08

19 263 1.000 588.706 .197 1 1.44 1 1.44 -.00 .9342 .9342 .00 19 264 1.000 338.706 .212 12.32 12.30 .14 .5302 .5308 -. 12 19 265 1.000 366.483 .212 12.32 12.30 .20 .5847 .5857 -.18 19 266 1.000 394.261 .212 12.32 12.30 .18 .6385 .6395 -.16 19 267 1.000 422.039 .212 12.32 12.32 .05 .6922 .6925 -.05

69 1 ) 1.1 1

Table 7. { Cont i nued

Data sources and ID numbers: (l)Virial Equation, (3)Beattie, (19)Kay, (25)0lds, (29)Sage, (XXXX)Haynes.

ID Data Weight Temp. Dens i ty Dens ity Dens i ty Pressui '^expt '^ca 1 c

Point expt ca 1 c Diff Diff. No. K mol/L kg/m^ kg/m-' % MPa MPa %

19 268 1.000 449.817 .212 12.32 12.31 .07 .7446 ,7451 -.06

19 269 1 .000 477.594 .212 12.32 12.35 -.23 .7991 ,7973 .22 19 270 1.000 505.372 .212 12.32 12.36 -.27 ,8515 ,8493 .26

19 271 1 .000 533.150 .212 12.32 12.35 -.25 ,9032 ,9010 .24

19 272 1 .000 560.928 .212 12.32 12.35 -.25 .9549 ,9526 .25

19 273 1 .000 588.706 .212 12.32 12.33 -.05 1 .0046 1,0040 .05

19 274 1 .000 338.706 .230 13.35 13.30 .36 ,5674 ,5692 -.31 19 275 1.000 366.483 .230 13.35 13.32 .22 ,6281 .6294 -.20

19 276 1 .000 394.261 .230 13.35 13.33 .1 ,6874 ,6881 -.10 19 277 1,000 422.039 .230 13.35 13,32 .20 .7446 .7460 -. 18

19 278 1 .000 449.817 .230 13.35 13,35 .01 ,8032 .8033 -.01

19 279 1 .000 477.594 .230 13.35 13.38 -.21 .8618 .8602 .19

19 280 1 .000 505.372 .230 13.35 13.41 -.42 .9205 .9167 .40

19 281 1 .000 533.150 .230 13.35 13.40 -.42 .9770 .9731 .40

19 282 1 .000 560.928 .230 13.35 13.38 -.23 1 .0315 1 .0292 .22

19 283 1 .000 588.706 .230 13.35 13.37 -.14 1.0866 1.0852 .13

19 284 1 .000 338.706 ,251 14.56 14.57 -.05 .6136 .6134 .05

19 285 1 .000 366.483 .251 14.56 14.54 .12 .6791 .6799 -. 1

19 286 1 .000 394.261 .251 14.56 14.55 . 10 .7439 .7446 -.09 19 287 1.000 422.039 .251 14.56 14.56 .03 .8081 .8083 -.03 19 288 1.000 449.817 .251 14.56 14.57 -.02 .8715 .8713 .02 19 289 1.000 477.594 .251 14.56 14.60 -.29 .9363 .9338 ,27

19 290 1 .000 505.372 .251 14.56 14.63 -.48 1 .0004 ,9958 ,46

19 291 1.000 533.150 .251 14.56 14.63 -.48 1.0625 1 ,0576 .46

19 292 1 .000 560.928 .251 14.56 14.61 -.31 1.1225 1 . 1 1 92 .29 19 293 1.000 588.706 .251 14.56 14.59 -.17 1,1825 1.1805 .16

19 294 1 .000 338.706 .276 16.02 16.00 .12 ,6640 .6646 -.10 19 295 1.000 366.483 .276 16.02 16.00 .09 .7384 .7390 -.08 19 296 1.000 394.261 .276 16.02 15.98 .23 .8094 .8111 -.21 19 297 1.000 422.039 .276 16.02 16.03 -.07 .8825 .8819 .07 19 298 1.000 449.817 .276 16.02 16.05 -.19 .9535 .9518 .18

19 299 1.000 477.594 .276 16.02 16.1 1 -.58 1.0266 1.0211 .54

19 300 1.000 505.372 .276 16.02 16.12 -.62 1.0963 1 .0899 .58

19 301 1.000 533.150 .276 16.02 16,10 -.50 1.1638 1 . 1 583 .48 19 302 1.000 560.928 .276 16,02 16.08 -.36 1.2307 1.2264 .35

19 303 1 .000 588.706 .276 16.02 16.04 -.15 1.2962 1 .2943 .14 19 304 1.000 338.706 .306 17,80 17.86 -.34 .7267 .7247 .27 19 305 1.000 366.483 .306 17.80 17.79 .05 .8088 .8091 -.05 19 306 1.000 394.261 .306 17,80 17.76 .23 .8887 ,8905 -.20 19 307 1.000 422.039 .306 17,80 17.81 -.07 .9708 ,9702 ,06 19 308 1.000 449.817 .306 17,80 17.84 -.21 1.0508 1,0487 ,19

19 309 1 .000 477.594 .306 17,80 17.88 -.48 1.1314 1 , 1 264 .44 19 310 1.000 505.372 .306 17,80 17.89 -.51 1.2093 1,2035 .48

19 31 1.000 533.150 .306 17,80 17.88 -.47 1 ,2859 1 ,2802 .44

19 312 1 .000 560.928 .306 17.80 17.86 -.35 1 ,3610 1,3565 .34

19 313 1.000 588.706 .306 17.80 17.82 -.12 1 ,4341 1 ,4325 .12

19 314 1 .000 366.483 .344 20.02 20.05 -. 1 ,8942 .8934 .09 19 315 1.000 394.261 .344 20.02 20.00 .10 ,9860 ,9868 -.09

19 316 1.000 422.039 .344 20.02 20.05 -.12 1,0790 1 .0779 .11

19 317 1.000 449.817 .344 20.02 20.11 -.44 1,1721 1 .1674 .40

19 318 1.000 477.594 .344 20.02 • 20.12 -.50 1,2617 1.2559 .46 19 319 1.000 505.372 .344 20.02 20.14 -.56 1.3507 1.3436 .52 19 320 1.000 533.150 .344 20.02 20.13 -.56 1.4382 1.4307 .52 19 321 1.000 560.928 .344 20,02 20.11 -.44 1.5237 1.5174 .42 19 322 1.000 588.706 .344 20,02 20.06 -.19 1.6065 1.6036 .18 19 323 1.000 366.483 .394 22,88 22,92 -.16 .9977 .9964 .13

70 1

Table 7. (Continued)

Data sources and ID numbers: (DVirial Equation, (3)Beattie, {19)Kay, (25)0lds, (29)Sage, (XXXX)Haynes.

ID Data Weight Temp. Density Density Density ^expt ^calc Pressure Point expt calc Diff. Diff. No. K mol/L kg/m^ kg/m^ % MPa MPa %

19 324 1.000 394.261 .394 22.88 22.87 .07 1.1052 1.1059 -.06 19 325 1.000 422.039 .394 22.88 22.90 -.07 1.2128 1.2121 .06 19 326 1.000 449.817 .394 22.88 22.91 -.12 1.3176 1.3162 .10

19 327 1.000 477.594 .394 22.88 22.99 -.48 1.4251 1 .4189 .44

19 328 1 .000 505.372 .394 22.88 23.04 -.67 1 .5299 1 .5206 .62

19 329 1.000 533.150 .394 22.88 23.06 -.79 1 .6334 1.6214 .74 19 330 1.000 560.928 .394 22.88 23.04 -.68 1.7327 1.7217 .64 19 331 1.000 588.706 .394 22.88 23.05 -.73 1.8340 1.8214 .69

19 332 1.000 366.483 .459 26.70 26.77 -.28 1 . 1 266 1.1242 .21 19 333 1.000 394.261 .459 26.70 26.66 .15 1.2548 1.2564 -.12 19 334 1.000 422.039 .459 26.70 26.67 .11 1.3824 1.3837 -.09

19 335 1.000 449.817 .459 26.70 26.72 -.09 1.5093 1 .5080 .08

19 336 1.000 477.594 .459 26.70 26.78 -.30 1 .6347 1 .6303 .27

19 337 1.000 505.372 .459 26.70 26.84 -.53 1.7595 1 .751 1 .48

19 338 1.000 533.150 .459 26.70 26.86 -.63 1.8816 1 .8708 .58 19 339 1.000 560.928 .459 26.70 26.89 -.72 2.0029 1.9896 .67 19 340 1.000 588.706 .459 26.70 26.86 -.59 2.1 194 2.1077 .56 19 341 1.000 366.483 .501 29. 12 29.30 -.59 1.2052 1.2000 .43

19 342 1.000 394.261 .501 29.12 29.10 .08 1.3465 1 .3473 -.06 19 343 1.000 422.039 .501 29.12 29.12 .00 1.4886 1.4886 -.00 19 344 1.000 449.817 .501 29.12 29.14 -.07 1.6272 1.6262 .06

19 345 1.000 477.594 .501 29.12 29.21 -.28 1.7657 1 .7613 .25

19 346 1.000 505.372 .501 29.12 29.27 -.49 1 .9030 1.8947 .44 19 347 1.000 533.150 .501 29.12 29.26 -.47 2.0353 2.0266 .43 19 348 1.000 560.928 .501 29.12 29.25 -.44 2. 1663 2.1575 .41 19 349 1.000 588.706 .501 29.12 29.24 -.39 2.2960 2.2875 .37 19 350 1.000 366.483 .551 32.04 32.21 -.54 1.2900 1.2852 .38 19 351 1.000 394.261 .551 32.04 31.97 .21 1.4493 1.4516 -. 16 19 352 1.000 422.039 .551 32.04 31.98 .18 1.6079 1.6102 -.15

19 353 1.000 449.817 .551 32.04 32.06 -.06 1.7651 1 .7642 .05 19 354 1.000 477.594 .551 32.04 32.12 -.27 1.9195 1.9151 .23 19 355 1.000 533.150 .551 32.04 32.20 -.50 2.2208 2.2107 .46 19 356 1.000 560.928 .551 32.04 32.21 -.55 2.3683 2.3564 .51 19 357 1.000 588.706 .551 32.04 32.16 -.37 2.5097 2.501 .35 19 358 1.000 394.261 .612 35.60 35.56 .11 1.5706 1.5719 -.08 19 359 1.000 422.039 .612 35.60 35.57 .09 1.7513 1.7525 -.07

19 360 1 .000 449.817 .612 35.60 35.61 -.04 1.9278 1.9271 .03 19 361 1.000 477.594 .612 35.60 35.66 -.17 2.1008 2.0978 .14 19 362 1.000 505.372 .612 35.60 35.71 -.31 2.2718 2.2657 .27 19 363 1.000 533.150 .612 35.60 35.72 -.36 2.4394 2.4315 .32

19 364 1 .000 560.928 .612 35.60 35.71 -.33 2.6035 2.5957 .30 19 365 1.000 588.706 .612 35.60 35.68 -.24 2.7648 2.7586 .22 19 366 1.000 394.261 .689 40.05 39.86 .47 1.7058 1.71 14 -.33

19 367 1.000 422.039 .689 40.05 39.92 .32 1.9161 1 .9207 -.24 19 368 1.000 449.817 .689 40.05 39.98 .16 2.1 194 2.1222 -.13 19 369 1.000 477.594 .689 40.05 40.05 -.01 2.3187 2.3184 .01

19 370 1.000 505.372 .689 40.05 40.08 -.09 2.5131 2.51 1 1 .08

19 371 1.000 533.150 .689 40.05 40.15 -.27 2.7076 2.701 1 .24 19 372 1.000 560.928 .689 40.05 40.15 -.26 2.8958 2.8891 .23 19 373 1.000 588.706 .689 40.05 40.14 -.23 3.0820 3.0754 .21 19 374 1.000 394.261 .787 45.77 45.69 .17 1.8712 1.8733 -.11 19 375 1.000 422.039 .787 45.77 45.58 .42 2.1 153 2.1218 -.31 19 376 1.000 449.817 .787 45.77 45.58 .40 2.3518 2.3592 -.31 19 377 1.000 477.594 .787 45.77 45.68 .20 2.5855 2.5897 -.16 19 378 1.000 505.372 .787 45.77 45.79 -.04 2.8165 2.8155 .04 19 379 1.000 533.150 .787 45.77 45.88 -.24 3.0440 3.0376 .21

71 1 9

Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)8eattie, (19)Kay, (25)0lds, (29)Sage, (XXXX)Haynes.

Temp. ID Data Weight Density Density Density ^expt '^calc Pressure Point expt calc Diff. Diff. No. K mol/L kg/m^ kg/m^ % MPa MPa %

19 380 1.000 560.928 .787 45.77 45.94 -.38 3.2681 3.2571 .34 19 381 1.000 588.706 .787 45.77 45.97 -.45 3.4887 3.4745 .41

19 382 1 .000 394.261 .919 53.39 53. 17 .43 2.0546 2.0597 -.25 19 383 1.000 422.039 .919 53.39 53.08 .60 2.3546 2.3641 -.40 19 384 1.000 449.817 .919 53.39 53.29 .20 2.6483 2.6522 -.15

19 385 1 .000 477.594 .919 53.39 53.39 .01 2.9303 2.9305 -.01 19 386 1.000 505.372 .919 53.39 53.40 -.01 3.2026 3.2023 .01 19 387 1.000 533.150 .919 53.39 53.39 .01 3.4688 3.4692 -.01 19 388 1.000 560.928 .919 53.39 53.24 .28 3.7232 3.7324 -.25 19 389 1.000 588.706 .919 53.39 53.13 .50 3.9748 3.9928 -.45 19 390 1.000 394.261 1.002 58.25 58.36 -.19 2.1636 2. 1614 .10

19 391 1.000 422.039 1.002 58.25 57.80 .78 2.491 1 2.5036 -.50 19 392 1.000 449.817 1.002 58.25 57.81 .75 2.8103 2.8254 -.54 19 393 1.000 477.594 1.002 58.25 57.97 .47 3.1240 3.1354 -.36 19 394 1.000 505.372 1.002 58.25 58.02 .39 3.4267 3.4375 -.32 19 395 1.000 533.150 1.002 58.25 58.05 .34 3.7232 3.7339 -.29

19 396 1.000 560.928 1.002 58.25 58.1 1 .24 4.0176 4.0260 -.21

i9 397 1.000 588.706 1.002 58.25 58.1 1 .23 4.3058 4.3147 -.21 19 398 1.000 422.039 1.102 64.07 63.52 .86 2.6428 2.6567 -.52 19 399 1.000 449.817 1.102 64.07 63.55 .8 5 3.0027 3.0204 -.59 19 400 1.000 477.594 1.102 64.07 63.67 .63 3.3536 3.3695 -.47 19 401 1.000 505.372 1.102 64.07 63.85 .35 3.6990 3.7092 -.27 19 402 1.000 533.150 1.102 64.07 63.91 .26 4.0334 4.0420 -.21 19 403 1.000 560.928 1.102 64.07 63.87 .32 4.3575 4.3696 -.28 19 404 1.000 588.706 1.102 64.07 63.79 .45 4.6746 4.6932 -.39

19 405 1 .000 422.039 1.225 71 .19 70.41 1.10 2.8062 2.8235 -.61 19 406 1.000 449.817 1.225 71 .19 70.55 .91 3.2212 3.2403 -.59

19 407 1.000 477.594 1.225 7.1 . 1 70.78 .58 3.6239 3.6391 -.42 19 408 1.000 505.372 1.225 71.19 70.89 .43 4.0127 4.0261 -.33 19 409 1.000 533. 150 1.225 71 .19 71 .08 .17 4.3989 4.4047 -.13

19 410 1.000 560.928 1 .225 71 .19 71 .09 .15 4.7712 4.7772 -.13 19 41 1.000 588.706 1.225 71 .19 70.95 .34 5. 1297 5. 1448 -.29

19 412 1 .000 422.039 1 .378 80.09 79.01 1 .35 2.9827 3.0028 -.67

19 413 1.000 449.817 1 .378 80.09 79.31 .98 3.4681 3.4889 -.60

19 414 1 .000 477.594 1 .378 80.09 79.61 .60 3.9355 3.9518 -.41

19 415 1 .000 505.372 1.378 80.09 79.64 .57 4.3816 4.4002 -.42

19 416 1 .000 533. 150 1 .378 80.09 79.77 .41 4.8229 4.8384 -.32

19 417 1 .000 560.928 1 .378 80.09 79.81 .35 5.2538 5.2690 -.29

19 418 1 .000 588.706 1 .378 80.09 79.89 .25 5.6813 5.6937 -.22

19 419 1 .000 422.039 1 .450 84.31 83.57 .87 3.0647 3.0772 -.41

19 420 1 .000 449.817 1 .450 84.31 83.70 .72 3.5818 3.5971 -.42

19 421 1 .000 477.594 1 .450 84.31 83.87 .52 4.0769 4.0912 -.35 19 422 1.000 505.372 1.450 84.31 83.83 .57 4.5505 4.5694 -.41

19 423 1 .000 533.150 1 .450 84.31 83.86 .53 5.0159 5.0366 -.41 19 424 1.000 560.928 1.450 84.31 83.98 .39 5.4779 5.4955 -.32 19 425 1.000 588.706 1.450 84.31 84.06 .30 5.9329 5.9480 -.25

19 426 1 .000 422.039 1.531 88.99 88.00 1.12 3.1371 3.1524 -.49 19 427 1.000 449.817 1.531 88.99 88.21 .87 3.6921 3.7105 -.50 19 428 1.000 477.594 1.531 88.99 88.45 .61 4.2230 4.2399 -.40 19 429 1.000 505.372 1.531 88.99 88.51 .54 4.7333 4.7518 -.39 19 430 1.000 533.150 1.531 88.99 88.66 .37 5.2366 5.2517 -.29 19 431 1.000 560.928 1.531 88.99 88.68 .35 5.7261 5.7426 -.29 19 432 1.000 588.706 1.531 88.99 88.75 .28 6.2122 6.2266 -.23 19 433 1.000 422.039 1.621 94.23 93.14 1.15 3.2130 3.2278 -.46 19 434 1.000 449.817 1.621 94.23 93.48 .80 3.8128 3.8293 -.43

19 435 1 .000 477.594 1.621 94.23 93.77 .49 4.3851 4.3987 -.31

72 9

Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)Beattie, (19)Kay, (25)Olds, (29)Sage, (XXXX)Haynes.

ID Data Weight Temp, Density Density Density ^expt '^calc Pressure Point expt calc Diff. Diff. No. K mol/L kg/m^ kg/m^ % MPa MPa %

19 436 1.000 505.372 1.621 94.23 93.80 .4 5 4.9332 4.9490 -.32 19 437 1.000 533.150 1.621 94.23 93.96 .28 5.4744 5.4861 -.21

19 438 1 .000 560.928 1 .621 94.23 93.93 .31 5.9984 6.0135 -.25 19 439 1.000 588.706 1.621 94.23 93.86 .39 6,5121 6.5335 -.33

19 440 1 .000 422.039 1.722 100.12 98.87 1 ,25 3,2874 3.3023 -.45 19 441 1.000 449.817 1.722 100.12 99.64 ,48 3.9438 3.9535 -.24

19 442 1 .000 477.594 1.722 100.12 99.60 .52 4.5540 4.5686 -.32

19 443 1 .000 505.372 1.722 100.12 99.77 .35 5, 1504 5.1628 -.24

19 444 1 .000 533.150 1.722 100.12 99.81 .31 5,7295 5,7427 -,23

19 445 1 .000 560.928 1.722 100.12 99.98 .14 6,3053 6.3121 -.11

19 446 1 .000 588.706 1.722 100.12 100.01 .11 6,8672 6.8734 -.09

19 447 1 .000 422.039 1.837 106.79 105.13 1.56 3.3577 3.3746 -.50

19 448 1 .000 449.817 1.837 106.79 105.98 .76 4.0679 4.0830 -.37

19 449 1 .000 477.594 1.837 106.79 106.26 .50 4.7367 4,7509 -,30

19 450 1 .000 505.372 1.837 106.79 106.37 .40 5.3814 5.3958 -,27

19 451 1 .000 533.150 1.837 106.79 106.48 .29 6.0122 6,0252 -.22

19 452 1 .000 560.928 1.837 106,79 106.58 .20 6.6328 6.6433 -.16

19 453 1 .000 588.706 1.837 106.79 106.68 ,10 7.2464 7.2526 -.09

19 454 1 .000 422.039 1.968 114.42 112.45 1 .72 3.4267 3.4430 -.47

19 455 1 .000 449.817 1.968 114.42 113.71 .62 4.2058 4.2177 -.28

19 456 1 .000 477.594 1.968 114.42 113.73 .60 4.9298 4.9468 -.34

19 457 1 .000 505.372 1.968 114.42 114.08 .30 5.6399 5.6510 -.20

19 458 1 .000 533.150 1.968 114.42 114.20 . 19 6.3294 6.3384 -.14

19 459 1 .000 560.928 1.968 114.42 114,31 .09 7.0085 7.0135 -.07

1 460 1 .000 588.706 1.968 114.42 114.45 -.03 7.6808 7.6792 .02

19 461 1 .000 422.039 2.120 123.22 121.72 1.21 3.4956 3.5050 -.27

19 462 1 .000 449.817 2.120 123.22 122.55 .55 4.3471 4.3572 -.23

19 463 1 .000 477.594 2.120 123.22 122.73 .40 5. 1469 5.1583 -.22

19 464 1 .000 505.372 2.120 123.22 122.80 ,34 5.9191 5,9323 -.22

19 465 1 .000 533.150 2.120 123.22 123.21 ,01 6.6879 6.6884 -.01

19 466 1 .000 560.928 2.120 123.22 123.46 -.20 7.4429 7.4314 .15

19 467 1 .000 588.706 2.120 123.22 123.77 -.45 8.1944 8.1642 .37

19 468 1 .000 422.039 2.297 133.49 131.89 1.20 3.5508 3.5578 -.20 19 469 1.000 449.817 2.297 133.49 132.25 ,92 4.4850 4.5014 -,36 19 470 1.000 477.594 2.297 133.49 133.03 ,34 5.3779 5,3878 -.18 19 471 1.000 505.372 2.297 133.49 133.41 .06 6.2432 6.2455 -.04 19 472 1.000 533.150 2.297 133.49 133.76 -.21 7.0947 7.0842 .15

19 473 1 .000 560.928 2.297 133.49 133.92 -.32 7.9290 7.9091 .25 19 474 1.000 436.428 2.505 145.62 143.07 1.75 4.1369 4.1557 -.45 19 475 1.000 455.150 2.505 145.62 144.35 .88 4.8263 4.8431 -.35 19 476 1.000 474.428 2.505 145.62 144.97 .45 5.5158 5.5283 -.23 19 477 1.000 494.094 2.505 145.62 145.35 .19 6.2053 6.2120 -.11 19 478 1.000 513.983 2.505 145.62 145.71 -.06 6.8948 6.8921 .04 19 479 1.000 533.983 2.505 145.62 146.09 -.32 7,5842 7.5669 .23 19 480 1.000 554.150 2.505 145.62 146.40 -.53 8.2737 8.2400 .41 19 481 1.000 434.317 2.756 160.18 155.84 2.71 4.1369 4.1592 -.54 19 482 1.000 450.817 2.756 160.18 158,39 1,12 4.8263 4.8446 -.38

19 483 1 .000 467,706 2.756 160.18 159.49 .43 5.5158 5.5265 -.19 19 484 1.000 484.983 2.756 160.18 159.91 .17 6.2053 6,2110 -,09 19 485 1.000 502.594 2.756 160.18 160.04 .09 6.8948 6.8986 -.06 19 486 1.000 519.817 2.756 160,18 160,83 -.40 7.5842 7.5634 .28 19 487 1.000 537.039 2.756 160.18 161.55 -.85 8.2737 8.2220 .63 19 488 1.000 432.650 3,062 177,98 172,67 2.99 4.1369 4.1542 -.42 19 489 1.000 447.039 3.062 177,98 176,67 .74 4.8263 4.8365 -.21 19 490 1.000 461.983 3.062 177.98 176,91 .61 5.5158 5.5294 -.25 19 491 1.000 476.983 3.062 177.98 177.44 .30 6.2053 6.2148 -.15

73 1

Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)Beattie, (19)Kay, (25)0lds, (29)Sage, (XXXX)Haynes.

ID Data Weight Temp. Dens i ty Dens i ty Dens i ty Pressure ' ''^expt ca i c Poi nt expt calc Diff, Diff, No. K mol/L l

19 492 1.000 491 .983 3.062 177.98 178.07 -,05 6,8948 6,8928 ,03 19 493 1.000 507.039 3.062 177.98 178.59 -,34 7,5842 7,5674 .22 19 494 1.000 522.317 3.062 177.98 178.79 -,45 8,2737 8,2469 ,33 19 495 1.000 431.150 3.445 200,23 203.58 -1 ,67 4.1369 4.1306 .15 19 496 1.000 444.094 3.445 200.23 198.09 1,07 4,8263 4.8395 -.27 19 497 1.000 456.928 3.445 200.23 198.59 ,82 5,5158 5.5332 -.31 19 498 1.000 469.594 3.445 200.23 199.76 ,23 6,2053 6,2123 -.11 19 499 1.000 482.261 3.445 200,23 200.60 -,19 6,8948 6,8874 .11 19 500 1.000 494.983 3.445 200,23 201 ,14 -,45 7,5842 7,5620 .29 19 501 1.000 507,706 3.445 200,23 201 .59 -,68 8,2737 8,2336 ,49 19 502 1.000 430.761 3,675 213,58 216,60 -1,41 4.1369 4,1318 ,12 19 503 1.000 443.039 3,675 213,58 207,90 2,66 4,8263 4,8593 -,68

19 504 1.000 454.650 3,675 213.58 210,90 1 ,26 5.5158 5.5427 -,49 19 505 1.000 466.261 3,675 213.58 212.33 ,58 6.2053 6,2233 -,29 19 506 1.000 477.706 3,675 213.58 213.73 -,07 6.8948 6.8918 ,04 19 507 1.000 489.261 3,675 213,58 214.40 -,38 7.5842 7.5650 .25 19 508 1.000 500.928 3,675 213,58 214.67 -,51 8.2737 8.2428 ,37 19 509 1.000 441 .650 3,937 228,84 222.59 2,73 4.8263 4,8614 -,72

19 510 1 .000 452.150 3.937 228,84 226.35 1,09 5.5158 5,5400 -,44

19 51 1 1.000 462.983 3,937 228,84 226.37 1,08 6,2053 6,2401 -,56 19 512 1.000 473.539 3,937 228,84 227.37 ,64 6,8948 6,9220 -.39

19 513 1 .000 483.928 3,937 228,84 228.47 ,16 7.5842 7, 5927 -, 1 19 514 1.000 494.428 3,937 228,84 228.96 -,05 8.2737 8,2703 ,04 19 515 1.000 438.372 4,593 266,97 263.49 1,30 4,8263 4,8481 -,45 19 516 1.000 446.928 4.593 266,97 264.55 .91 5,5158 5,5411 -,46 19 517 1.000 455.428 4,593 266,97 264.94 ,76 6.2053 6,2352 -,48 19 518 1.000 463.872 4.593 266,97 265.20 ,67 6,8948 6.9287 -,49 19 519 1.000 472.428 4.593 266,97 264.85 ,80 7.5842 7,6343 -,66 19 520 1.000 480.817 4,593 266.97 265.02 ,73 8.2737 8,3286 -,66 19 521 1.000 433.039 5.512 320.37 318.41 ,61 4.8263 4,8554 -,60 19 522 1.000 439.150 5,512 320.37 318.99 ,43 5.5158 5,5428 -,49

19 523 1 .000 445.206 5,512 320.37 319.28 ,34 6.2053 6,2317 -,42 19 524 1.000 451 .261 5,512 320,37 319.27 ,34 6.8948 6.9267 -,46 19 525 1.000 457.428 5,512 320,37 318.73 ,51 7.5842 7,6394 -,72 19 526 1.000 463.261 5,512 320,37 319.23 ,36 8,2737 8,3175 -.53 19 527 1.000 417.039 6,124 355,97 354.19 ,50 3,4474 3,4821 -1.00

19 528 1 .000 426.983 6.124 355,97 354.30 ,47 4.8263 4.8769 -1 .04 19 529 1.000 431.594 6,124 355,97 355.41 ,16 5,5158 5.5356 -.36 19 530 1.000 436.428 6.124 355,97 355.31 ,18 6,2053 6.2320 -.43 19 531 1.000 440.928 6,124 355,97 356.18 -.06 6,8948 6.8850 .14 19 532 1.000 445.872 6, 124 355,97 355.52 ,13 7,5842 7.5068 -.30 19 533 1.000 450.428 6,124 355,97 355.94 ,01 8,2737 8,2753 -.02

19 534 1 .000 413.706 6,484 376,91 373.78 ,83 3,4474 3,5525 -2.96

19 535 1 .000 422,039 6,484 376,91 374.93 ,52 4,8263 4,9150 -1 .80 19 536 1.000 425.928 6.484 376,91 376.05 ,23 5,5158 5,5587 -.77 19 537 1.000 429.872 6.484 376,91 376.72 ,05 6.2053 6,2156 -.17 19 538 1.000 433.928 5.484 376,91 376.91 0,00 5.8948 6,8948 -.00 19 539 1.000 438.039 6.484 376,91 376.87 ,01 7.5842 7,5866 -.03 19 540 1.000 442,039 6,484 376,91 377.06 -.04 8.2737 8,2626 .13 19 541 1.000 403.261 6,890 400.46 401.24 -,20 2.7579 2,7173 1.49 19 542 1.000 407.039 6,890 400.46 400,53 -,02 3.4474 3,4436 .11 19 543 1.000 414.317 6,890 400.46 400.01 ,11 4.8263 4.8573 -.64 19 544 1.000 418.150 6,890 400.46 399.20 ,32 5,5158 5,6082 -1.65 19 545 1.000 421,539 6,890 400.46 399,57 ,22 6,2053 6.2750 -1.11

19 546 1 .000 424,928 6.890 400.46 399,87 ,15 6,8948 6.9443 -.71 19 547 1.000 428.206 6.890 400.46 400,35 ,03 7,5842 7.5939 -.13

74 Q DJ 7 6/ . J1\ 311

Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)Beattie, (19)Kay, (25)Olds, (29)Sage, (XXXX)Haynes.

ID Data Weight Temp. Density Density Density ^^expt '^calc Pressure Point expt calc Diff. Diff. No. K mol/L kg/m^ kg/m^ % MPa MPa %

19 548 1 .000 43 1 .483 6.890 400.46 400.76 -.08 8.2737 8.24 54 .34

19 549 1 .000 394 .81 7.349 427. 1 427.37 -.05 2.7579 2.7394 .67

19 550 1 .000 397.761 7.349 427. 16 427.32 -.04 3.4474 3.4321 .45

19 551 1 .000 403.706 7.349 427. 16 427.05 .03 4.8263 4.8376 -.23

19 552 1 .000 406.817 7.349 427. 16 426.60 .13 5.5158 5.5765 -1 .09

19 553 1 .000 409.872 7.349 427. 16 426.29 .20 6.2053 6.3042 -1 .57

19 554 1 .000 413.039 7.349 427. 16 425.77 .33 6.8948 7.0601 -2.34

19 555 1 .000 415.928 7.349 427. 16 425.81 .31 7.5842 7.751 -2.16

19 556 1 .000 419.094 7.349 427. 16 425.33 .43 8.2737 8.5104 -2.78

19 557 1 .000 388.817 7.602 441 .89 442.26 -.08 2.7579 2.7161 1 .54

19 558 1 .000 391 .483 7.602 44 1 .89 442. 15 -.06 3.4474 3.4 160 .92

19 559 1 .000 396.539 7.602 441 .89 442.50 -. 14 4.8263 4.7474 1 .66

19 560 1 .000 399.261 7.602 44 1 .89 442.26 -.08 5.5158 5.4664 .90

19 561 1 .000 401 .817 7.602 44 1 .89 442.34 -. 10 6.2053 6. 1425 1 .02

19 562 1 .000 404.261 7.602 44 1 .89 442.61 -.16 6.8948 6.7903 1 .54

19 563 1 .000 407. 1 50 7.602 44 1 .89 442.07 -.04 7.5842 7.5570 .36

19 564 1 .000 41 0.872 7.602 44 1 .89 440. 12 .40 8.2737 8.5466 -3. 19

19 565 1 .000 38 1 .872 7.874 457.67 457.33 .07 2.7579 2.8068 -1 .74

1 nnn 384 .094 7 R74. 457 fi7 4'57 57 . u^09 3,4474 3.462 -.43 4. Jyj 1 1 nnn ^RR 7nfi 7.R74 '57 fi7 ^457J 1 . uufiR - . onuu 4.8263 4.8245 .04

19 1 nnn 3qn 92R 7 R74 457 .67 457.87 -.04. u^ 5. 5 1 58 5.4822 .61 4"^ 1Q 1 nnn ^Q"? R79 7 R74. 4'i7 ft7 4 5R w\ - 1Q n5R'^ 9 . 1 y 0. £-\jJJ \Jm\JJOJ

1 1 7 _ 10 e. QQ4Q fi 1 Q JS7nl\J nnn R74 H J 1 •O ^4 JO5R . ^y4Q 75n9 9 4

1Q 1 nnn 7 R74 4 5R no _ AO 7 5R4 9 7 5nR7 1 ni J 1 \ Dy 1 • / o \ H J 1 . D / "t JO . u^ . uy / . J\JO 1 I . U 1

/I -ZfT 1Q R79 1 nnn AC\ 1 1 sn 7 R74 A ^7 fi7 9Q R 5 1 57 -9 R4 H\J I . 1 JU ^ JO m /.y 0 • £. I J 1 0 • J \ J 1 "^7'^ 1 1 nnn 1 sn R 1 «f\ 474 fi9 474 n7 1 9 9 7 57Q 9 R5Q9 54 1 y J I 1 . UUU 1 -^U 0 . 1 00 z . 1 J 1 y £. . 0 jy£- J . JH 1 Q R7A 1 nnn R \«« 474 fi9 474 ni 1 T. A AlA 9fi 1 y 1 . UUU _3 / . Z.D I 0 . 1 00 . 1 J J? . J>D J . ZD

1Q 1 nnn "^7R Q9R R 1 fifi 474 fi9 474 R - n4 4 7R8 1 Rn 1 y J 1 1 . UUU 0 . 100 t . / 00 .ou

1 Q R7fi 1 nnn ''iRn Q9fl AlA fi9 474 Q - nfi 5 5 1 5R 5 45fi5 1 no 1 y J l\j 1 . UUU H / H ^y . UD J u J I JO 1 . u^ 1 1Q 1 nnn R 1 «« 474 fi9 475 5^ _ Q f. 905"^ n 1 '^R ly Oil I . UUU 0 . 1 DO ^ 1 Jm J D. ^Vjj D.U 1 JO J. 10 1 T 10 «S7fl 1 nnn ^R4 R17 474 fi9 47 5 9fi _ C OQ/IQ « 7579 9 n4 1 y J lO 1 . UUU j)OH .01/ 0 . I DO H f J • (CD • \ J D . OyHO D . /J / Z L. m UH 19 579 1.000 387.150 8.166 474.62 474.83 -.04 7.5842 7.5381 .61

19 580 1 .000 390.317 8.166 474.62 473.17 .30 8.2737 8.5985 -3.78 19 581 1.000 367.594 8.480 492.88 492.81 .01 4.8263 4.8427 -.34 19 582 1.000 369.261 8.480 492.88 493.03 -.03 5.5158 5.4770 .71

19 583 1.000 370.928 8.480 492.88 493.24 -.07 6.2053 6. 1 1 14 1.54 19 584 1.000 372.594 8.480 492.88 493.44 -.11 6.8948 6.7458 2.21 19 585 1.000 374.594 8.480 492.88 493.16 -.06 7.5842 7.5072 1.03 19 586 1.000 377.039 8.480 492.88 492.28 .12 8.2737 8.4377 -1 .94 19 587 1.000 349.483 8.819 512.59 512.16 .08 2.7579 2.8876 -4.49 19 588 1.000 351.039 8.819 512.59 512.20 .08 3.4474 3.5684 -3.39 19 589 1.000 353.706 8.819 512.59 512.88 -.06 4.8263 4.7353 1.92 19 590 1.000 355.094 8.819 512.59 513.13 -. 10 5.5158 5.3428 3.24 19 591 1.000 356.483 8.819 512.59 513.37 -.15 6.2053 5.9502 4.29 19 592 1.000 359.594 8.819 512.59 513.41 -.16 7.5842 7.3103 3.75 19 593 1.000 361 .650 8.819 512.59 512.78 -.04 8.2737 8.2086 .79

75 11 1 11 1. 11 .

Table 7. (Continued)

Data sources and ID numbers; (l)Virial Equation, {3)Beattie, (19)Kay, (25)0lds, (29)Sage, (XXXX)Haynes.

i ID Data We ight Temp. Density Dens ty Dens i ty p p , Pressur expt ca I c

Poi nt expt ca 1 c Di ff Diff No. K mol/L kg/m-^ kg/m^ % MPa MPa %

4302 594 1.000 140.000 12.809 744.53 743.88 .09 31.2779 32.8854 -4.89

4303 595 1 .000 140.000 12.784 743.04 742.49 .07 27.8345 29. 1743 -4,59

4304 596 1 .000 140.000 12,758 741.56 74 1 .08 .06 24.3914 25.5359 -4.48 4305 597 1.000 140.000 12.733 740.07 739.65 .06 20.9481 21.9549 -4.59 4306 598 1.000 140.000 12.707 738.59 738.20 .05 17.5051 18.4307 -5.02 4307 599 1.000 140.000 12.681 737.08 736.72 .05 14.0619 14.8951 -5.59

4308 600 1.000 140.000 12.655 735.54 735.22 .04 10.6191 1 1 .3508 -6.45

4309 601 1 .000 140.000 12.628 733.98 733.69 .04 7.1760 7.8265 -8.31 4310 602 1.000 140.000 12.601 732.44 732. 14 .04 3.7333 4.4005 -15.16

3601 603 1 .000 160.000 12.548 729.37 729.01 .05 36.0986 36.9184 -2.22

3602 604 1 .000 160.000 12.516 727.45 727. 18 .04 31 .9664 32.5829 -1 .89

3603 605 1 .000 160.000 12.483 725.55 725.31 .03 27.8343 28.3496 -1 .82

3604 606 1 .000 160.000 1 2.454 723.90 723.73 .02 24.391 24.7550 -1 .47 3605 607 1.000 160.000 12.426 722.25 722,12 .02 20.9479 21 .2376 -1 .36

3606 608 1 .000 160.000 12.397 720.58 720.47 .01 1 7.5048 1 7.7234 -1 .23

3607 609 1 .000 160.000 12.368 718.90 718.80 .01 14.0617 14,2744 -1 .49

3608 610 1 .000 160.000 12.345 71 7.55 717.44 .02 1 1 .3074 1 1 .5312 -1 .94

3609 61 1 .000 160.000 12.322 716.19 716.06 .02 8.5529 8.8182 -3.01

3610 612 1 .000 160.000 12.298 714.83 714.65 .02 5.7987 6. 1467 -5.66

361 613 1 .000 160.000 12.281 713.81 713.58 .03 3.7330 4. 1760 -1 0.61

3612 614 1 .000 160.000 12.263 71 2.77 712.50 .04 1 .6672 2. 1727 -23.27

3701 61 5 1 .000 180.000 12.263 712.75 712.48 .04 36.0984 36.6620 -1 .54

3702 616 1 .000 180.000 1 2.226 710.65 710.44 .03 31 .9664 32.3878 -1 .30

3703 617 1 .000 180.000 12. 189 708.47 708.35 .02 27.8343 28.0762 -.86

3704 618 1 .000 180.000 12. 157 706.62 706.57 .01 24.391 24.4925 -.41

3705 619 1 .000 180.000 12. 125 704.77 704.76 .00 20.9478 20.9834 -. 17

3706 620 1.000 180.000 12.093 702.90 702.90 0.00 17.5047 1 7.5051 -.00

3707 621 1 .000 180.000 12.061 701 .03 701 .01 .00 14.0616 14.1012 -.28

3708 622 1.000 180.000 1 2.034 699.49 699.46 .00 1 1 .3073 1 1 .3552 -.42

3709 623 1 .000 180.000 12.008 697.93 697.89 .01 8.5528 8.6180 -.76

3710 624 1.000 180.000 1 1 .980 696.33 696.29 .01 5.7986 5.8816 -1 .41

371 625 1.000 180.000 1 1 .961 695.20 695.06 .02 3.7329 3.9557 -5.63

3712 626 1 .000 180.000 1 1 .940 694.01 693.82 .03 1.6671 1 .9791 -15.76

3801 627 1 .000 200.000 1 1 .981 696.38 696.14 .03 36.0981 36.5395 -1 .21

3802 628 1 .000 200.000 1 1 .940 694.00 693.86 .02 31 .9662 32.2189 -.78

3803 629 1 .000 200.000 1 1 .899 691 .63 691 .53 .01 27.8341 28 . 0 1 44 -.64

3804 630 1 .000 200.000 1 1 .864 689.58 689.54 .01 24.3910 24.4689 -.32

3805 631 1 .000 200.000 1 1 .828 687.48 687.49 -.00 20.9477 20.9206 .13

3806 632 1 .000 200.000 1 1 .792 685.38 685.40 -.00 17.5047 17.4691 .20

3807 633 1 .000 200.000 1 1 .755 683.25 683.25 -.00 14.0616 14.0573 .03

3808 634 1 .000 200.000 1 1 . 725 68 1 . 50 681 .50 0.00 1 1 .3073 1 1 .3074 -.00

3809 635 1 .000 200.000 1 1 M/l 679.70 .00 8.5528 8.5718 -.22

3810 636 1 .000 200.000 1 1 663 677.89 677.86 .00 5.7986 5.8354 -.63

381 1 637 1 .000 200.000 1 1 .639 676.50 676.46 .0 3.7329 3.7939 -1 .61

3812 638 1 .000 200.000 11.615 675.10 675.02 .01 1 .6671 1 .7793 -6.31

3901 639 1.000 220.000 1 1.701 680.1 679.94 .02 36.0987 36.3776 -.77

3902 640 1.000 220.000 1 1.655 677.44 677.40 .01 31.9668 32.0217 -.17

3903 641 1.000 220.000 1 1.608 674.72 674.79 -.01 27.8346 27.7285 .38

3904 642 1.000 220.000 1 1 . 569 672.44 672.55 -.02 24.3914 24.2220 .70

3905 643 1.000 220.000 1 1 . 530 670.15 670.25 -.01 20.9481 20.8026 .70

3906 644 1.000 220.000 1 1.489 667.77 667.88 -.02 17.5050 17.3531 .88

3907 645 1.000 220.000 1 1.446 665.30 665.44 -.02 14.0618 13.8668 1.41

3908 646 1.000 220.000 11.410 663.20 663.43 -.03 1 1.3076 10.9962 2.83 3909 647 1.000 220.000 11.374 661 .1 661 .37 -.04 8.5530 8.2088 4.19

3910 648 1.000 220.000 1 1.338 658.98 659.25 -.04 5.7987 5.4583 6.24

76 D211 51 1 1 71

Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)Beattie, (19)Kay, (25)0lds, (29)Sage, (XXXX)Haynes.

i ght Dens i ty Dens i ty Dens i ty p p Pressur 1 Data We Temp. expt ca 1 c

Poi nt expt ca 1 c Diff. Diff. No. K mol/L kg/m-^ kg/m-^ % MPa MPa %

391 549 1 .000 220.000 1 1 .310 657.39 657.62 -.04 3.7331 3.4357 8.66

391 650 1 .000 220.000 1 1 .283 655.79 655.96 -.03 1 .6672 1 .4551 14.57

4001 651 1 .000 240.000 1 1 .424 663.98 663.83 .02 36.0977 36.3296 -.64

4002 652 1 .000 240.000 1 1 .372 661 .00 661 .00 .00 31 .9657 31 .9687 -.01

4003 653 1 .000 240.000 1 1 .320 657.98 658.07 -.01 27.8336 27.7063 .46

4004 654 1 .000 240.000 1 1 .275 655.36 655.55 -.03 24.3909 24. 1434 1 .03

4005 655 1 .000 240.000 1 1 .229 652.66 652.94 -.04 20.9473 20.5820 1 .77

4006 656 1 .000 240.000 11.181 649.91 650.25 -.05 17.5042 17.0823 2.47

4007 657 1 .000 740.000 1 1 . 1 33 647.07 647.46 -.06 14.061 1 3.5989 3.40

4008 658 1 .000 240-000 1 1 .092 644.74 645. 1 -.06 1 1 .3069 10-8748 4.45

4009 659 1 .000 240.000 1 1 .051 642.31 642.77 -.07 8.5522 8.0299 6.50

660 1 .000 240.000 1 1 .008 639.86 640.3 -.07 5.7980 5.2994 9.41

40 1 661 1 .000 740.000 1 0.976 638.00 638.41 -.06 3.7324 3.2889 1 3.49

4012 662 1 .000 240.000 10.945 636 . 18 636.46 -.04 1 .6665 1 .3777 20.96

4101 663 1 .000 760.000 1 1 . 149 648.02 647.76 .04 36.0979 36.4519 -.97

4 102 664 1 .000 760-000 1 1 .092 644.71 644.60 .02 31 .9659 32 . 1 1 1 -.45

4 1 03 665 1 .000 760-000 1 1 .033 64 1 .31 64 1 .30 .00 27 .8339 27 .8391

4104 666 1 .000 260-000 10.983 638 . 39 638.45 -.01 24. 3908 24 . 3 1 6 .31

4 105 667 1 .000 260-000 1 0.931 635.35 635.49 -.02 20.9475 20.7759 .82

4106 668 1 .000 260-000 1 0.876 632. 17 632.42 -.04 17. 5045 17 .2294 1 .60

4107 669 1 .000 260-000 10.819 628.84 629.21 -.06 1 4.0613 1 3.5707 2.86

4 108 670 1 .000 260.000 10.771 626.07 626. 54 -.07 1 1 .3071 10.8399 4.31

4109 671 1 .000 260.000 10.723 623.27 623.76 -.08 8,5526 8.0753 5.91

4110 672 1 .000 260.000 10.673 620.36 620.88 -.08 5.7984 5.3 147 9. 10

4111 673 1 .000 260.000 10.635 618.17 618.64 -.08 3.7328 3.3 1 16 1 2 .72

41 12 674 1 .000 260.000 10.597 61 5.91 616.32 -.07 1 .6669 1 .3154 26.72

4201 675 1 .000 280.000 10.846 630.43 630 . 52 -.01 34.7206 34.6103 .32

4202 676 1 .000 280.000 10.794 627.38 627.54 -.02 31 .2773 31.1014 .57

4203 677 1 .000 280.000 10.739 624. 17 624.44 -.04 27.8338 27.5496 1 .03

4204 678 1 .000 280.000 10.681 620.80 621 .20 -.07 24.3907 23.9675 1 .77

4205 679 1 .000 280.000 10.620 617.26 617.83 -.09 20.9475 20.3804 2.78

4206 680 1.000 280.000 10.557 613.59 614.29 -. 1 17.5045 16.8400 3.95 4207 681 1.000 280.000 10.491 609.80 610.58 -.13 14.0614 13.3646 5.21

4208 682 1.000 280.000 10.437 606.64 607.46 -.14 1 1.3071 10.6033 6.54

4209 683 1 .000 280.000 10.381 603.39 604. 19 -.13 8.5526 7.8982 8.29

4210 684 1 .000 280.000 10.323 600.02 600.77 -.12 5.7984 5.2 194 1 1 .09 421 685 1.000 280.000 10.279 597.45 598.08 -.11 3.7328 3.2524 14.42

4212 686 1.000 280.000 10.234 594.83 595.27 -.07 1 .6669 1 .3515 23.33

3501 687 1 .000 300.000 10.573 614.53 614.27 .04 34.7208 34.9909 -.77

3502 688 1.000 300.000 10.514 61 1.1 1 610.92 .03 31.2774 31.4665 -.60 3503 689 1.000 300.000 10.452 607.49 607.41 .01 27.8340 27.9054 -.26 3504 690 1.000 300.000 10.386 603.65 603.73 -.01 24.3909 24.3144 .31 3505 691 1.000 300.000 10.316 599.58 599.86 -.05 20.9476 20.7038 1.18 3506 692 1.000 300.000 10.242 595.31 595.77 -.08 17.5045 17.1296 2.19 3507 693 1.000 300.000 10.166 590.90 591.44 -.09 14.0613 13.6494 3.02 3508 694 1.000 300.000 10.100 587.07 587.76 -.12 11.3071 10.8072 4.63 3509 695 1.000 300.000 10.031 583.02 583.87 -.14 8.5525 7,9763 7.22

3510 696 1.000 300.000 9.958 578.82 579.73 -.16 5.7983 5.2152 1 1.18 3511 697 1.000 300.000 9.904 575.64 576.44 -.14 3.7326 3.2438 15.07 3512 698 1.000 300.000 9.848 572.40 572.97 -.10 1.6667 1.3373 24.63

77 67 1 111 7 Q 71 R1 7 47 Q0

Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)Beattie, (19)Kay, (25)0lds, (29)Sage, (XXXX)Haynes.

1 n net +\/ p 1 \JKS \ lot 1 1 1 1 1 r 1 t?o ui 1 u Ucl O Wc y n Temp. Dens ity ^ o 1 y y '^expt ^ca 1 c Pr» f n + i f f n i f f rvJ 1 n 1 expt ca I C n v NU • mo 1/L p MPa MPa fi

1 1 nnn z 1 n Q7P CO 1 5H — n7 nftRQ nftRQ n7 oyy I .uuu j> 1 u . yzo .027 1 •DO 1 . Po .u / .UDoy • UDoy •u / 1 47 _ 1 nftRQ nftRR 1 7 Z.J /UU 1 • uuu J44 . ZD 1 .024 1 .42 1 .4Z .UDoy • UDOO • 1 / 1 nnn 1 7Q _ OT nftfio nftftft 77 CO /U 1 1 .UUU J 1 1 »J y'i .022 1 .29 1 . zy .UDoy • UDOO • ZP 1 ^ A 1 n Q7R 1 1 ft ~.— 7 5 nftRO nftftft 7 R Z 0 /UZ 1 • UUU .020 1 • 18 1 . 1 0 ZP .uooy • UDOO • Z P 1 no — 7ft nftfto nftftft 7ft /U-> 1 • UUU . ZD 1 .019 1 .09 1 .uy . ZD .UDoy • UDOO • ZD 477 KQ/l 1 n7 — 77 nftfto nftftft 77 ZD 1 •UUU .0 1 1 .01 1 . UZ .Z / .UDoy • UDOO • Z /

1 nnn 5 1 n Q7fi 05 — 75 nftfto nftftft 7R /UP 1 • UUU 3 1 u. yzo .016 .95 .yp ~.ZP • UDoy • UDOO • ZP

1 nnn 1 n 07Q 7 74 n7 1 ni 7 1 n 1 n7 /Uo 1 • UUU J 1 u. yzcs .040 2.34 Z. j4 • U J . 1 U 1 P • 1 U 1 4 -•Up 9(;i 1 -z 1 nnn T/14 7 1 n — 17 1 n 1 1 n 1 /u / 1 • UUU J'f H . ZD 1 .036 z. 10 Z . i u . 1 U 1 P . 1 U 1 z • 1 J r\ "Z "z 1 7Ai5 1 nnn T77 RQ/I nn 1 Q - 77 1 ni 7 mil 7 1 1.0 /Uo 1 • UUU .033 1 .90 1 . y 1 . ZZ . 1 U 1 P .lull • Z 1 nz n 700 1 nnn /in Q7ft 1 75 - 77 1 n 1 mil 77 £.0 1 • UUU .030 1 • 74 1 . / P . Z / . 1 U 1 P .lull • Z / 1 £ 1 7 1 n 1 nnn 1 ft 1 _ 7n 1 ni 7 mi n 7n Z 3 / 1 u 1 • UUU . ZD 1 • Ozo 1 .51 1 . O 1 ~. 3U . I U 1 P . 1 U 1 u • PU 1 ACS 7 1 1 1 nnn 477 504 1 5n ~_ 7n 1 ni 7 7n / 1 i 1 1 1 1 I mm1 1 I. J • UUU .UZO .4y . PU . JU . U P . U u • JU 1 7R 71 9 1 nnn 51 n Q7R 7n 1 4n - 7Q 1 ni 7 7Q 1 u . y zo .UZ4 1 .39 1 . 4U . zy . 1 U 1 P . mm1 U 1 u • zy

"^R 7 1 1 nnn 'I in Q7R 7 OO 7 77 1 A 1 770 1 7ft 1 - 1 7 1 • UUU -> 1 u . ^zo j.zz D . ZZ a 1 4 . 1 PO i • IP

71 A 1 nnn 7/14 7fi1 n (^n 7 Q Q 7 ftft _ nfi 1 770 1 77R nfi 1 • UUU jH't . ZO 1 Z.OO Z.OO . UD . t p / y . 1 P / O • uo

9S 7 1 S 1 nnn 777 5Q4 n4 ^ 7 ftn 7 fil - 1R 1 770 1 77fi 1R .U4P Z.DU . 1 J / u

n4 1 7 7Q . 1 . 1 £-7^J 71 1 .000 410.928 .U4 1 Z.JO 7 39 -.26 379 375 .76 n7Q 7 1 71 1 .nnn 444.261 .Ujo z. ly 2.20 -.31 . 1 379 . 1 375 .31 n7 R 7 n4 z -J 71ft 1 nnn 477 5Q4 .U J J Z . U4 7 04 - . jH34 1 379

n77 1 on 25 719 1 .000 51 0.928 1 .yu 1 .91 -.32 . 1 379 . 1 375 .32 no 5 4 Q4 720 1 ,000 310.928 4 .y4 4.92 .32 .2068 .2075 -•30 n7 R A 7Q 75 721 1 .nnn 344 .261 4 ._)0 4.38 .08 .2068 .2070 -•08 nftQ 7 Q ^ 75 777 1 nnn 777 5Q4 .UDo j.y p 7 Q5 - 1 7nfiR 1

77"^ 1 nft7 7 ftn 75 nnn 4 1 0.928 .UDZ J .ou 3.61 -.77 7064 .77 c:7 1 n 7 7 1 -. 75 nnn 444.261 .up / J. J 1 3 37 37 .2068 .7067 •.37j^

1^ 75 775 1 nnn 477 5Q4 n^7 7 n 3 OR - 75 .74 z. J 1 • UUU J. UP .7053

75 1 nnn 51 n Q7ft A4 Q 7 G ft 7 R7 - 7ft 7nfiR 7nfti 7fi 1 £.0 1 .UUU -/ 1 u . y ZO Z.OO z . o / . ZUDO . ZUO 1 11ft 75 777 1 nnn 7in Q7ft ft fiO 47 77 5R 77ft0 - 7Q _> 1 u . ^zo • 1 1 O D. /Z O . D^ . Z / JO • j^

75 1 nnn 744 7fi1 5 0 1 7n 77 5R 77ft7 - 1 / zo 1 . UUU _J44 . ZO 1 .102 5.93 p.y 1 . zu . Z / PO .Z / OP • 1 y 75 77Q 1 nnn 77 7 5Q4 5 77 nn 775R 77 5R — nn / zy 1 .UUU .092 5.32 P. JZ .UU • Z / PO . Z / PO •UU 1 1 nnn 4 1 n Q7Q 4 04 —_ Q 77RR 77 57 1 R £0 /jU 1 . UUU 4 1 u . yzo .083 4.84 4 . 04 . 1 y .Z / PO . Z / PP • 1 0 r\7£ 75 77 1 1 nnn 444 7fi1 4 4 5 — 7n 775R 775n 7Q /J) 1 I .UUU *+4*f . ZD 1 .076 4.44 4 .4P .PU . Z / PO . Z / PU • zy 7*^7 A 11 75 1 nnn *\477 5Q4 mi 4 1 7 — 77 775R 774R 7ft 1 .UUU 1 1 % jy'\ .0 /I 4. 1 1 4 . 1 Z .p / .Z / PO . Z / 40 • PO

75 1 nnn 51 n Q7R 7 ft4 - 7R 77 5R 774R 7R 1 . UUU 13 1 u. yzo .056 3.8z D . 04 . PO . Z / PO . Z / 40 • PO

75 T'.A 1 nnn 744 7ft 1 0 1 z c 4 1 77 4 1 5n — 77 1 1 — 1 . UUU J>44 . ZD .1 58 9.16 y . 1 -J .P P .4 1 P / .4 PU • PZ 75 1 nnn 777 5Q4 Q 14 1 R 4 1 77 4 14 4 —_ 1ft /_> 13 1 .UUU J 1 1 % jy'\ .140 8. 16 O . 1 4 . 1 0 .4 1 J / .4 1 44 •ID

75 1 nnn 4 1 n Q7fl 7 77 — n7 A 1 77 4 1 74 n7 1 I — / jD . UUU 4 u . yzo . 127 1 ,YI .u / .4 1 P/ .4 1 J4 • U /

7 R 1 nnn /I 4 / 7ft 1 ft 7 R 7ft A 1 77 A 1 7ft 7 R /J / 1 . UUU 444 • ZD 1 .116 6. 74 0. / P -. ZD .4 1 J / .4 1 ZO • ZP 7^ 1 nnn 477 RQ4 ft OA Z-7 A 1 77 4 1 77 7ft 1 . UUU . 107 6.21 D .Z4 -._>/ .413/ .4 1 ZZ • JO Ann 75 1 nnn 51 n Q7R 5 ftn — 41 4 1 77 A 1 7n 4n I . UUU 9 1 u. yzo .099 5.n P. OU .4 1 .4 1 J / .4 1 zu •4U 1 75 IAD 1 nnn 744 7ft OO 1 ft 70 1 7 ftRQ5 ft on 1 — in 1 — . UUU . ZO .281 16.31 1 0 .zy . t Z .Doyp .oyu 1 • 1 u 75 74 1 1 nnn 77 7 504 14 1ft 4 7 ftRQR ftQ7 1 — 7R 1 .UUU J 1 I • _3y4 .245 14.24 1 4 . 1 O .4 J .Doyp .oyz 1 • JO

75 7A7 1 nnn 4 1 n Q7f? 1 7 ftQ 1 4 fton7 _ 17 / HZ 1 .UUU 4 1 u. yzo .2 18 1 Z.70 1 Z .Do . 1 4 .Doyp .Dyup -•IP 75 74 \ 1 nnn 444 7ft1 1 1 57 — 17 ftRO 5 ftRR4 1 ft 1 . UUU 444 . ZO .198 1 1.50 1 1 . PZ . 1 / .Doy p .D004 • 1 D 25 744 1.000 477.594 .181 10.55 10.58 -.33 .6895 .6873 •31 25 745 1.000 510.928 .168 9.76 9.80 -.38 .6895 .6870 •37

25 746 1.000 377.594 .393 22.82 22.71 .50 1 .0342 1.0385 -•41 25 1^1 1.000 410.928 .343 19.93 19.86 .36 1.0342 1.0375 -•31

25 748 1.000 444.261 .306 17.81 17.82 -.03 1.0342 1 .0339 • 03 25 749 1.0C0 477.594 .279 16.19 16.24 -.27 1.0342 1.0316 •25 25 750 1.000 510.928 .256 14.91 14.96 -.35 1.0342 1.0308 .33 25 751 1.000 377.594 .566 32.93 32.88 .14 1.3790 1.3803 -.10

25 752 1 .000 410.928 .481 27.96 27.80 .56 1.3790 1.3854 -.46

25 753 1 .000 444.261 .423 24.58 24.56 .07 1 .3790 1.3798 -.06

78 751 1 4 4/1 761

Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)Beattie, (19)Kay, (25)Olds, (29)Sage, (XXXX)Haynes.

ID Data Weight Temp. Density Density Density ^expt ^calc Pressure Point expt calc Diff. Diff. No. K mol/L kg/m^ kg/m^ % MPa MPa %

25 754 1 .000 477.594 .381 22.14 22.18 -. 17 1 .3790 1 .3768 . 1

25 755 1 .000 510.928 .348 20.24 20.30 -.30 1 .3790 1 .3751 .28 ?'5 1 .000 310.928 9.639 560.28 560.20 .01 1 .7237 1 .7638 -2.27

75 757 1 .000 344.261 8.887 516.56 516.36 .04 1 .7237 1 .784 5 -3.41

C J 75R 1 .000 377.594 7.908 459.64 458.95 . 1 1 .7237 1 .8207 -5.33

75 1 .000 410.928 .637 37,04 36.77 .72 1 .7237 1 .7332 -.55

75 760 1 .000 444.261 .549 31.88 31.82 .2 1 .7237 1 .7267 -. 1

7'i 7fi1 1 .nnn 477.594 .489 28.40 28.42 -.07 1 .7237 1 .7226 .06

7'S 7fS7 1 000 510.928 .444 25.79 25.85 -.24 1 .7237 1 .7200 .22

7'i / U-^ 1 .000 310.928 9.653 561.07 560.88 .03 2.0684 2. 1654 -4.48

1 7S / OH nnn 344.261 8.907 517.73 517.47 05 2.0684 2. 1509 -3.83

0^i.J / DD 1 nnn 377.594 7.947 461,89 461,35 1 7 nfifi4 2. 1487 -3.73

1 nnn 7 nfiftd 7 nfinn / DD 410.928 .819 47.60 47.22 . O 1

1 1 - ZD /O / nnn 444.261 .686 39.85 39.71 7 nfiR4 7 n74 77

1 nnn nfi 9 nfiQR - C\l Z.J /DO 1 .uuu 477.594 .603 35.04 35.02 . uo ^ • UU jO • \J 1 1 nnn _ ID 7 nf,RA 7 nfisi ZD /oy 1 . UUU 510.928 .543 31.56 31.61 z. . UU J 1 . 1 u

1 '^7 nnn 7 7'=i7Q 9 RR'^Q -4 / ZD / /U 1 .UUU 310.928 9.677 562.45 562.21 . u^ 4 . D

1 ^^7 AAA no 7 7/ ^701 9 Q 1 _> ZD / / 1 1 .UUU 344.261 8.948 520.08 519.61 .uy Z . J y Z . 7 ID/ J , D 1 AAA 1 9 7 7^70 9 RA RQ —^ no ZD / /Z 1 .UUU 377.594 8.023 466.33 465.79 . 1 z Z. Ijiy Z , 04 Dy — D,uy 1 AAA 1 Q 9 7 '=i7Q 9 7fin9 ZD / /J 1 .UUU 410.928 1.336 77.67 77.52 Z. 1 J ly Z, /DUZ — , uo 1 AAA 9 7R7Q 9 7^Q9 —_ /1 ZD 1 /4 1 .UUU 444.261 1.006 58.46 58,12 . DO Z . / D y/ ,4 1 *7 7 R 1 AAA 9 7 R7Q — 7R ZD / /D 1 . UUU 477.594 ,854 49,64 49,47 . jD Z. 1 0 ly Z . / DD , ZD 1 AAA no 9 7^70 9 7 RQQ — n7 zD / /D 1 .UUU 510.928 .755 43.90 43.86 . uy z • / Dyy — . u / "7 "7 "7 1 AAA ^ C997 ZD III 1 .UUU 310.928 9.700 563.83 563.51 .UD D.DZZ —4 a 04 1 AAA no z fiAA4 —A 9R ZD 1 lo 1 .UUU 344.261 8.983 522.11 521.67 . uy D •DUU4 —4. ZD 1 AAA 1 n -z AA1A z R'Z A 1 —9 '^/l ZD / /y 1 .UUU 377.594 8.091 470.30 469.84 . 1 u D. DDU —Z . D4 1 AAA nR "Z A A 1A "Z >1 "ZQA OA ZD 1 .UUU 410.928 6.641 385.99 386.18 -.UD J. 44 /4 D.4DyU ,Z4 "7Q 1 ~1 1 1 AAA 7 A A A Z / A 1 ,1 — ZD lo I 1 .UUU 444.261 1,426 82.86 82.28 D.44 / D. 4D 1 .4 1

1 AAA RD A A ~IA "Z yl f^O 1 A "Z ZD / tsz 1 .UUU 477.594 1.144 66.47 66.08 . DO D.44 /4 D.4DZ "70 T 1 AAA 9fl z AAIA z /I R R'Z _ 9"^ zD 1 .UUU 510.928 .987 57.39 57.23 .ZO D.44 74 D.4DDJ — . ZD 1 AAA nn — R Kn ZD /C)4 1 . UUU 310.928 9.724 565.22 564,78 .uo 4 . 1 Doy 4 . juZ.^ D.DU

7R R 1 nnn 1 n A IRQ —4 97 ZD /O D 1 . uuu 344.261 9.018 524.16 523.65 . 1 u 4. 1 DDy 4.D loy —4 . Z Z

1 nnn 1 n A 1 ^ftO A 9'^9R -9 97 ZD / OD 1 . uuu 377.594 8.156 474.06 473.56 . 1 u 4 . DOy 4 . ZDZO z . z /

7ft7 1 nnn OA. A 1 "^fiQ A 1 4fiR - 94 ZD /Of 1 .uuu 410.928 6.876 399.66 399.50 4 . 1 ^yjy H . 1 HwO . ZH ^1 7R 7RR 1 nnn A 1 491 - 1 444.261 2.057 119.54 119,17 . J 1 4 . 1 4Z I .ID

7S 7fiQ 1 nnn 79 A 1 "^fiq A 1 'ifiR _ A9, ZD 1 .uuu 477.594 1.486 86.35 85.72 H . 1 J\J\J ^^4 ZD7R 1 nnn 510.928 1.244 72.28 71.97 AA A 1 "^fiQ A 1 snq -

7S 1 nnn in -5 1 J7 I 1 . uuu 310.928 9.769 567.83 567.25 • 1 u J m J \ JO 5.R507 .77

7Q9 1 nnn 1 n S 1 SR 5 -3 ZD / ^Z 1 . uuu 344.261 9.083 527.97 527.42 , 1 u J 1 JO 777R 67 9S 1 nnn -3 1 . uuu 377.594 8.276 481.03 480.26 , 1 u J u J t JO 5.6882 03

7'i 1 nnn 1 . uuu 410.928 7.192 418.02 417.31 5 51 58 J5 • J5R37U_J / -1 . 22 25 795 1.000 444.261 4.960 288.31 285.03 1.14 5.5158 5.5569 -.74 25 796 1.000 477.594 2.407 139.91 139.55 .26 5.5158 5.5233 -.14 25 191 1.000 510.928 1.844 107.16 106.59 .53 5.5158 5.5360 -.37 25 798 1.000 344.261 9.147 531.64 530.96 .13 6.8948 7.1738 -3,89 25 799 1.000 377.594 8.379 487.03 486.18 .18 6.8948 7.1066 -2,98 25 800 1.000 410.928 7.410 430.72 429.97 .17 6.8948 6.9882 -1 ,34 25 801 1.000 444.261 5.938 345.15 345.18 -.01 6.8948 6.8936 ,02 25 802 1.000 477.594 3.672 213.44 214.08 -.30 6.8948 6.8827 .18 25 803 1.000 510.928 2.558 148.69 149.16 -.32 6.8948 6.8806 .21 25 804 1.000 310.928 9.864 573.32 572.47 .15 8.6184 9.1491 -5,80 25 805 1.000 344.261 9.211 535.38 535.09 .05 8.6184 8.7410 -1,40 25 806 1.000 377.594 8.495 493.79 492.76 .21 8.6184 8.9048 -3,22 25 807 1.000 410.928 7.621 442.99 442.25 .17 8.6184 8.7354 -1.34 25 808 1.000 444.261 6.492 377.35 376.62 .19 8.6184 8.6720 -.62 25 809 1.000 477.594 4.929 286.50 286.03 .17 8.6184 8.6338 -.18

79 20R J31111

Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)Beattie, (19)Kay, (25)0lds, (29)Sage, (XXXX)Haynes.

ID Data Weight Temp. Density Density Density ^expt ^calc Pressure Point expt calc Diff. Diff. No. K mol/L kg/m^ kg/m^ % MPa MPa %

91^ 1 onA _ DO Q C 1 CJ 0 1 U 1 . uuu 510.928 3.533 205.34 207.17 .07 0 .O 1 04 8.5611 .67

9S R 1 1 1 nnn 1 L i.j 344.261 9.285 539.71 538.96 . ( 4 1 U. _?4^ 1 10.6851 -3.21 9'^ 9S S 1 9 1 nnn in ^491 0 1 z 377.594 8.599 499.80 498.66 . ZJ 1 U . J)4^ t 10.6951 -3.30

9 1 1 n ^^49 6.0 0 1 J 1 • UUU 410.928 7.796 453.14 452.21 .Z 1 1 U. J4Z 10.5198 -1.69 Q 1 >1 1 nnn 99 1 n 'KA 9 1 ZD 1 .UUU 444.261 6.832 397.09 396.23 . ZZ 1 U. J4Z 10.4325 -.87

Q 1 R 1 nnn n9 1 n "XA 9 1 o 1 D 1 »UUU 477.594 5.627 327.04 326.98 .UZ 1 U. J4Z 10.3453 -.03 9R sift 1 nnn ~_ R7 1 n ^^49 O t D 1 . UUU 510.928 4.372 254.10 255.54 . D / 1 U.D4Z 10.2832 ,57 *7 O c: 0 1 1 nnn 19 nft Rfl /LO 0 1 / 1 .uUu 310.928 9.956 578.70 577.81 • 1 D 1 Z.UDDo 12.6701 -4.77

Q 1 Q 1 nnn 1 A 1 9 nft RQ ZD 1 .UUU 344.261 9.348 543.37 542.61 . 1 4 1 Z.UODo 12.4388 -3.00

9 R Q 1 Q 1 nnn 9ft 1 9 nft RQ i-J 1 . UUU 377.594 8.694 505.31 504.01 . ZD 1 Z.UDDO 12.5087 -3.54

9 R 9"7 1 9 nft RQ ozu 1 .UUU 410.928 7.947 461.89 460.66 .z/ 1 Z .UDDO 12.3394 -2.22

9 R Q9 1 1 nnn 99 1 9 nft RQ OZ 1 1 . UUU 444.261 7.083 411.68 410.76 . ZZ 1 Z .UDDO 12.1901 -1.02 9C; Q99 1 nnn 1 n 1 9 Aft RQ ZD tszz 1 .UUU 477.594 6.066 352.60 352.94 -.10 1 Z.UoDo 12.0384 .23 9 R Q9 T 1 nnn 1 9 nftRO ZD oZd 1 . UUU 510.928 5.000 290.61 291.60 -. J4 1 Z.UDDo 12.0104 .46 9c; Q 9>1 1 nnn 1 Q ZD 0Z4 1 . UUU 310.928 10.003 581.43 580.33 . ly 1 J . /oyD 14.5673 -5.34

9 R Q9 R 1 nnn 1 9 1 7 on R ZD yzD 1 .UUU 344.261 9.406 546.71 546.05 • 1 Z Id. /oyD 14.1284 -2.40

9 R Q 9ft 1 nnn 9y1 1 T 7Q n R ZD oZo 1 . UUU 377.594 8.777 510.14 508.93 .Z4 1 J . /oyD 14.2364 -3.14

9 R Q9 7 1 nnn 9R 1 T 7QQR ZD oZ / 1 .UUU 410.928 8.072 469.20 468.04 .ZD 1 J. /oyD 14.0792 -2.06

9S 1 nno 1 1 X 7RQR ZD ! . UUU 444.261 7.281 423.21 422.43 1 J . /oyD 13.9167 -.91 39 Q 1 nnn — 99 ZD ozy 1 . UUU 477.594 6.381 370.88 371.70 . ZZ ID./ oyD 13.7045 .62

9R 1 nnn /I A ZD 0 J)U 1 . UUU 510.928 5.452 316.88 318.27 - .44 1 J . /oyD 13.6869 .75

1 9R 1 1 nnn 7 17 D'^ftQ ZD 1 .UUU 310.928 10.084 586.11 585.10 1 / . ZDoy 18.0005 -4.24

9R 1 nnn 1ft 1 7 9^ftQ ODS. 1 . UUU 344.261 9.520 553.31 552.43 1 / . ZDoy 17.7406 -2.84

9R 1 nnn 1 Q 17 9'^ftQ ZD OJ D 1 .UUU 377.594 8.925 518.73 517.73 . ly 1 / .ZDoy 17.6585 -2.39

1 nnn 97 1 7 9XftQ ZD 0J4 1 .UUU 410.928 8.291 481.90 480.58 1 / .ZDDy 17.6406 -2.29

9^ 1 nnn 9n 17 9'^ftQ ZD ODD 1 .UUU 444.261 7.598 441.64 440.75 • zu 1 / . ZDoy 17.4305 -1.11

9S 1 nnn - 9 1 17 9'^ftQ ZD 1 . UUU 477.594 6.842 397.68 398.50 .Z 1 1 / . ^ joy 17.1102 .74

9R 1 nnn — AO 17 9'^ftQ ZD OD / 1 .UUU 510.928 6.085 353.69 355.09 — .4U 1 / . zDoy 17.0750 ,95

9R 1 nnn 1 1 9n ftRA'^ ZD 0JO 1 .UUU 310.928 10.154 590.22 589.57 . 1 1 ZU.D04D 21,2051 -2.46 9R 1 nnn 9n ftR/1'^ ZD 1 .UUU 344.261 9.619 559.11 558.26 . 1 D zu. 004 J 21.2133 -2.49

9R R/10 1 nnn 1 4 9n ftRid'^ ZD O'tU 1 .UUU 377.594 9.054 526.23 525.49 . 1 4 zu . 004 21.0366 -1.67

9 R Q /I 1 1 nnn ^n 9n ftQ>i T ZD 1 .UUU 410.928 8.474 492.57 491.08 . jU ZU.004 21.2216 -2.53 9n 9n ft QA T. ZD 842 1 .000 444.261 7.845 455.98 455.07 .ZU ZU.0043 20.9289 -1.17 1 nr\A 1 A 9n ftQyl ZD 843 1 .000 477.594 7.179 417.26 417.85 -. 14 ZU.D04 20.5648 ,58 1 Ann A n 9n ft Qyl ZD 844 1 .000 510.928 6.517 378.78 380.29 -.4U ZU.D04J 20.4452 1.17 1 A 25 845 1 .000 310.928 10.226 594.38 593.77 . 1 24. 1315 24.6478 -2.09 1 1 25 846 1 .000 344.261 9.707 564.23 563.63 .1 1 24. 1316 24.5336 -1.64

25 847 1 .000 377.594 9.171 533.06 532.44 . 12 24. 1316 24.4558 -1.33

25 848 1 .000 410.928 8.626 501.36 500.15 .24 24. 1316 24.6249 -2.00

25 849 1 .000 444.261 8.049 467.83 466.91 ,20 24. 1316 24.4237 -1.20

25 850 1 .000 477.594 7.442 432.58 433.11 -. 1 24. 1316 24.0008 .55

25 851 1 .000 510.928 6.844 397.78 399.40 -.41 24. 13 16 23.8062 1.37 25 852 1.000 310.928 10.287 597.93 597.74 .03 27.5790 27.7434 -.59 25 853 1.000 344.261 9.787 568.84 568.62 .04 27.5790 27.7331 -.56 25 854 1.000 377.594 9.273 538.98 538.77 .04 27.5790 27.7010 -.44 25 855 1.000 410.928 8.760 509.17 508.19 .19 27.5790 28.0273 -1.60 25 856 1.000 444.261 8.227 478.16 477.07 .23 27.5790 27.9790 -1.43 25 857 1.000 477.594 7.664 445.45 445.78 -.07 27.5790 27.4837 .35 25 858 1.000 510.928 7.108 413.17 414.82 -.40 27.5790 27.1768 1.48 25 859 1.000 310.928 10.345 601.29 601.52 -.04 31 .0264 30.8183 .68

25 860 1 .000 344.261 9.864 573.32 573.29 .00 31 .0264 31.0428 -.05 25 861 1.000 377.594 9.374 544.85 544.58 .05 31 .0264 31.1915 -.53 25 862 1.000 410.928 8.879 516.06 515.42 .12 31 .0264 31.3489 -1.03 25 863 1.000 444.261 8.377 486.88 486.00 .18 31 .0264 31.3901 -1.16 25 864 1.000 477.594 7.856 456.63 456.65 -.01 31.0264 31.0184 .03 25 865 1.000 510.928 7.353 426.25 427.79 -.36 31.0264 30.5886 1.43

80 Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)Beattie, (19)Kay, (25)0lds, (29)Sage, (XXXX)Haynes.

D Data Weight Temp. Dens ity Dens i ty Dens i ty Pressur ^C3 I C Point expt calc Diff. Diff. No. K mol/L kg/m^ i

25 866 1.000 310.928 10.404 604.70 605.11 -.07 34.4738 34.0697 1.19 25 867 1.000 344.261 9.935 577.45 577.69 -.04 34.4738 34.2789 .57 25 868 1.000 377.594 9.464 550.08 549.97 .02 34.4738 34.5517 -.23 25 869 1.000 410.928 8.989 522.45 522.01 .09 34.4738 34.7202 -.71

25 870 1 .000 444.261 8.516 495.01 493.99 .21 34.4738 34.9397 -1.33 25 871 1.000 477.594 8.023 466.33 466.20 .03 34.4738 34.5225 -.14 25 872 1.000 510.928 7.526 437.42 439.00 -.36 34.4738 33.9619 1.51 25 873 1.000 310.928 10.515 61 1.16 61 1.84 -.11 41.3685 40.6438 1.78 25 874 1.000 344.261 10.076 585.68 585.79 -.02 41.3685 41.2710 .24 25 875 1.000 377.594 9.629 559.69 559.72 -.00 41.3685 41 .3507 .04 25 876 1.000 410.928 9.186 533.95 533.69 .05 41.3685 41.5322 -.39 25 877 1.000 444.261 8.754 508.85 507.87 .19 41.3685 41.8994 -1 .27 25 878 1.000 477.594 8.306 482.77 482.47 .06 41.3685 41 .5091 -.34

25 879 1.000 510.928 7.847 456.11 457.75 -.36 41.3685 40.7022 1 .64 25 880 1.000 310.928 10.612 616.81 618.05 -.20 48.2633 46.8447 3.03 25 881 1.000 344.261 10.199 592.84 593.14 -.05 48.2633 47.9678 .62 25 882 1.000 377.594 9.773 568.03 568.39 -.06 48.2633 47.9615 .63 25 883 1.000 410.928 9.364 544.29 543.87 .08 48.2633 48.5648 -.62 25 884 1.000 444.261 8.959 520.76 519.71 .20 48.2633 48.9193 -1.34 25 885 1.000 477.594 8.545 496.70 496.08 .12 48.2633 48.6023 -.70 25 886 1.000 510.928 8.118 471.83 473.16 -.28 48.2633 47.6182 1.35 25 887 1.000 310.928 10.703 622.08 623.82 -.28 55. 1581 53.0290 4.01 25 888 1.000 344.261 10.318 599.72 599.88 -.03 55.1581 54.9898 .31 25 889 1.000 377.594 9.910 576.00 576.23 -.04 55.1581 54.9459 .39 25 890 1.000 410.928 9.520 553.31 552.93 .07 55.1581 55.4693 -.56 25 891 1.000 444.261 9.129 530.59 530.08 .10 55.1581 55.5157 -.64 25 892 1.000 477.594 8.741 508.04 507.82 .04 55.1581 55.2935 -.24 25 893 1.000 510.928 8.351 485.41 486.29 -.18 55. 1581 54.6653 .90 25 894 1.000 310.928 10.795 627.44 629.22 -.28 62.0528 59.7311 3.89 25 895 1.000 344.261 10.419 605.61 606.11 -.08 62.0528 61 .4836 .93 25 896 1.000 377.594 10.032 583.13 583.39 -.05 62.0528 61 .7870 .43 25 897 1.000 410.928 9.656 561 .26 561.11 .03 62.0528 62.1925 -.22 25 898 1.000 444.261 9.288 539.89 539.34 .10 62.0528 62.4870 -.69 25 899 1.000 477.594 8.916 518.23 518.18 .01 62.0528 62.0842 -.05 25 900 1.000 510.928 8.553 497.16 497.76 -.12 62.0528 61.6728 .62 25 901 1.000 310.928 10.876 632.14 634.30 -.34 68.9476 65.9679 4.52 25 902 1.000 344.261 10.515 61 1.16 61 1.92 -.13 68.9476 68.0138 1.37 25 903 1.000 377.594 10.147 589.78 590.00 -.04 68.9476 68.7078 .35 25 904 1.000 410.928 9.790 569.04 568.58 .08 68.9476 69.3934 -.64 25 905 1.000 444.261 9.444 548.95 547.71 .23 68.9476 70.0280 -1.54 25 906 1.000 477.594 9.086 528. 14 527.48 .13 68.9476 69.4654 -.75 25 907 1.000 510.928 8.729 507.40 507.96 -.11 68.9476 68.5440 .59

81 51 1 1

Table 7. (Continued)

Data sources and ID numbers: (DVirial Equation, (3)Beattie, (19)Kay, (25)01ds, (29)Sage, (XXXX)Haynes,

D Data We ight Temp, Dens i ty Dens i ty Dens ity P Pressur ^©x pi" C9 1 C

Poi nt expt ca 1 c Diff, Diff. No, K moi/L kg/frP kg/m-^ % M.Pa MPa %

29 908 .000 294.261 .043 2.48 2.49 -,21 .1013 .101 .21 29 909 .000 294.261 .059 3.42 3.43 -,09 .1379 .1378 .09 29 910 .000 294.261 .091 5.26 5.26 ,09 .2068 ,2070 -.08

29 91 1 .000 294.261 10.062 584.83 579.62 ,89 1.7237 5,0879 -66. 12 29 912 .000 294.261 10.121 588.27 582.34 1,01 3.4474 7.4607 -53.79 29 913 .000 294.261 10, 173 591.31 584.95 1,07 5. 171 9.6655 -46.50

29 914 .000 294.261 10.218 593,94 587.46 1.09 6.8948 1 1.5557 -40.85 29 915 .000 294.261 10,256 596, 15 589.88 1.05 8,6184 13.3881 -35.63 29 916 .000 294.261 10.299 598,60 592.21 1.07 10,3421 15.3744 -32.73 29 917 .000 294.261 10.341 601 ,07 594.47 1.10 12,0658 17.4482 -30.85 29 918 .000 294.261 10,380 603,33 596.65 1,11 13,7895 19.4126 -28.97 29 919 .000 294.261 10.41 605.38 598.77 1,09 15,5132 21.2471 -26.99 29 920 .000 294.261 10.447 607.22 600.82 1,05 17,2369 22.9325 -24.84 29 921 .000 294.261 10.475 608.84 602.82 ,99 18,9606 24.4507 -22.45 29 922 .000 294.261 10.487 609.53 604.76 .78 20,6843 25.1 140 -17.64 29 923 .000 310.928 .040 2.34 2.34 -. 18 ,1013 .1012 .17 29 924 .000 310.928 .055 3.22 3.22 -.12 ,1379 .1377 .12 29 925 .000 310.928 .085 4.92 4.92 -,02 ,2068 ,2068 .02 29 926 .000 310.928 .115 6.70 6.69 ,13 ,2758 ,2761 -.12 29 927 .000 310.928 .148 8.58 8.55 ,33 ,3447 ,3458 -.30 29 928 .000 310.928 9.71 564,43 560.20 ,75 1.7237 3,9457 -55.31 29 929 .000 310.928 9,773 568,03 563,51 ,80 3.4474 5,9663 -42.22 29 930 .000 310.928 9,825 571.07 566,64 ,78 5.1711 7,7630 -33.39 29 931 .000 310.928 9.881 574.34 569,62 ,82 6.8948 9,7990 -29,64

29 932 .000 310.928 9.935 577.45 572.47 ,86 8.6184 1 1,8259 -27,12 29 933 .000 310.928 9.982 580. 17 575.19 .86 10.3421 13,6799 -24,40 29 934 .000 310.928 10.025 582.70 577.81 .84 12.0658 15,4753 -22,03 29 935 .000 310.928 10.073 585.47 580.33 .88 13.7895 17,5152 -21,27 29 935 .000 310.928 10.117 588.05 582.75 .90 15.5132 19,4898 -20,40 29 937 .000 310.928 10.166 590.87 585.10 .98 17.2369 21,7325 -20,69 29 938 .000 310.928 10.207 593.28 587.37 1.00 18.9606 23,7179 -20,06 29 939 .000 310.928 10.241 595.26 589.57 .96 20.6843 25,4044 -18,58 29 940 .000 327.594 .038 2.21 2.22 -.11 .1013 ,1012 ,11 29 941 .000 327.594 .052 3.04 3.04 -.06 .1379 .1378 ,06 29 942 .000 327.594 .080 4.63 4.63 ,04 .2068 .2069 -,04 29 943 .000 327.594 .108 6.28 6.27 ,16 .2758 .2762 -,15 29 944 .000 327.594 .138 8.00 7.98 ,22 .3447 .3454 -,21 29 945 .000 327.594 .168 9.79 9.75 ,40 .4137 .4152 -,36 29 946 .000 327.594 .201 11.66 11.61 ,48 .4826 .4847 -,42 29 947 .000 327.594 ,235 13.63 13.55 ,58 .5516 .5543 -,49 29 948 .000 327.594 9,355 543.74 539.31 ,81 1.7237 3.5829 -51,89 29 949 .000 327.594 9,432 548.20 543.43 ,87 3,4474 5,6109 -38,56 29 950 .000 327.594 9,500 552. 17 547.26 ,89 5.1711 7,5451 -31.46 29 951 .000 327.594 9,566 556.00 550,87 ,92 6.8948 9,5360 -27,70

29 952 .000 327.594 9,633 559.89 554,27 1,00 8.6184 1 1,6824 -26,23 29 953 .000 327.594 9,690 563.24 557,49 1,02 10.3421 13,6372 -24,16 29 954 .000 327.594 9,742 566.22 560, 56 1,00 12.0658 15,4674 -21,99 29 955 .000 327.594 9.790 569.04 563,49 ,98 13.7895 17,2595 -20,15 29 956 .000 327.594 9.846 572.29 566.30 1,05 15.5132 19,4459 -20,22 29 957 .000 327.594 9.896 575.17 568.99 1,07 17.2369 21,4577 -19,57 29 958 .000 327.594 9.94 5 578.08 571.58 1,12 18.9606 23,5748 -19,57 29 959 .000 327.594 9.985 580.38 574.08 1,09 20.6843 25.3154 -18,29 29 960 .000 344.261 .036 2. 10 2.10 -,09 .1013 .1012 ,09 29 961 .000 344.261 .050 2.88 2,88 -.05 .1379 .1378 ,04 29 962 .000 344.261 .075 4.38 4,38 .03 .2068 .2069 -,03

82 1 1

Table 7. (Continued)

Data sources and ID numbers: (l)Virial Equation, (3)Beattle, {19)Kay, (25)0lds, (29)Sage, (XXXX)Haynes,

ID Data Weight Temp, Dens 1 ty Dens i ty Dens i ty Pressure ^expt '^ca 1 c Pol nt expt calc DIff, Diff. No. K mol/L kg/m-' kg/rn^ % MPa MPa %

29 963 .000 344.261 .102 5,92 5,91 ,16 ,2758 ,2762 -.16 29 964 .000 344.261 .129 7,52 7.50 .26 ,3447 .3456 -.24 29 965 .000 344.261 .158 9,17 9.13 .38 ,4137 .4151 -.35 29 966 .000 344.261 ,187 10.87 10.82 .43 ,4826 .4845 -.38 29 967 .000 344.261 ,217 12.63 12.57 .49 ,5516 .5540 -,43 29 968 .000 344.261 ,249 14.47 14.39 .53 ,6205 .6234 -,45 29 969 .000 344.261 .282 16.37 16.29 .50 ,6895 .6924 -.42 29 970 .000 344.261 8.977 521.77 516.36 1.04 1,7237 3.4838 -50.52 29 971 .000 344.261 9.074 527.44 521.67 1.10 3,4474 5.5245 -37.60 29 972 .000 344.261 9. 159 532.35 526.50 1.10 5. 171 7.4631 -30,71 29 973 .000 344.261 9.236 536.81 530.96 1.09 6,8948 9.3704 -26,42

29 974 .000 344.251 9.314 541.35 535.09 1.16 8.6184 1 1.4587 -24,79 29 975 .000 344.261 9.380 545.22 538.96 1.15 10.3421 13.3641 -22,61 29 976 .000 344.261 9.448 549. 14 542.61 1.19 12.0658 15.4180 -21 ,74 29 977 .000 344.261 9.510 552.74 546.05 1.21 13.7895 17.4131 -20,81 29 978 .000 344.261 9.569 556.20 549.32 1.24 15.5132 19.431 -20. 16 29 979 .000 344.261 9.623 559.30 552.43 1.23 17.2369 21,3355 -19.21 29 980 .000 344.261 9.670 562.05 555.41 1. 18 18.9606 23,0919 -17.89 29 981 .000 344.261 9.707 564.23 558.26 1.06 20.6843 24,5336 -15.69 29 982 .000 360.928 .034 2,00 2.00 -.05 .1013 ,1013 ,04 29 983 .000 360.928 .047 2,74 2,74 -.00 ,1379 ,1379 ,00 29 984 .000 360.928 .071 4,16 4,15 .07 ,2068 ,2070 -,07 29 985 .000 360.928 .097 5,61 5.60 .21 ,2758 .2763 -,20 29 986 .000 360.928 ,122 7,10 7.08 .32 ,3447 .3458 -,30 29 987 .000 360.928 .149 8,64 8.60 .41 ,4137 .4153 -,38 29 988 .000 360.928 .176 10,21 10. 16 .47 ,4826 .4847 -,43

29 989 .000 360.928 .203 1 1,83 1 1.77 .48 ,5516 .5540 -,43 29 990 .000 360.928 .232 13.50 13.42 .55 ,6205 .6236 -,49 29 991 .000 360.928 .262 15.21 15.13 .53 ,6895 .6927 -,46 29 992 .000 360.928 .340 19.79 19.68 .57 ,8618 .8659 -,47 29 993 .000 360.928 .427 24.79 24.71 .33 1,0342 1.0369 -,26 29 994 .000 360.928 8.495 493.79 490.31 .70 1,7237 2.5204 -31,61 29 995 .000 360.928 8.620 501.05 497.55 .70 3,4474 4.3730 -21,17 29 996 .000 360.928 8.729 507.40 503.89 .69 5,1711 6.2172 -16,83 29 997 .000 360.928 8.830 513.25 509.55 .72 6,8948 8.1 161 -15,05 29 998 .000 360.928 8.925 518.73 514.70 ,78 8,6184 10.0799 -14.50 29 999 .000 360.928 9.015 523.99 519.43 .87 10,3421 12.1408 -14.82 29 1000 .000 360.928 9.095 528,66 523.81 .92 12,0658 14,1236 -14,57 29 1001 .000 360.928 9. 171 533,06 527.90 .97 13,7895 16, 1297 -14.51 29 1002 .000 360.928 9.242 537,17 531.74 1.01 15,5132 18,1320 -14.44 29 1003 .000 360.928 9.307 540,98 535.37 1.04 17,2369 20, 1012 -14.25

29 1004 .000 360.928 9.205 535,02 538.80 -.71 18.9606 17,0679 1 1.09 29 1005 .000 360.928 9.415 547.27 542.07 .95 20.6843 23,5998 -12.35 29 1006 .000 377.594 .033 1.91 1.91 -.01 .1013 ,1013 .01 29 1007 .000 377.594 .045 2.61 2.61 .04 .1379 ,1380 -.04 29 1008 .000 377.594 .068 3.96 3.95 .14 .2068 .2071 -.14 29 1009 .000 377.594 .092 5,33 5.32 .27 .2758 .2765 -.26 29 1010 .000 377.594 .1 16 6.74 6.72 .34 .3447 .3459 -.33 29 1011 .000 377.594 .141 8. 18 8, 14 .47 .4137 ,4155 -.44 29 1012 .000 377.594 ,166 9,65 9,60 .52 ,4826 ,4850 -.49

29 1013 .000 377.594 .192 11.15 1 1,09 ,55 ,5516 ,5544 -.51 29 1014 .000 377.594 .218 12.69 12,62 ,56 ,6205 ,6237 -.51 29 1015 .000 377.594 .245 14.26 14, 18 ,55 ,6895 ,6929 -.49 29 1016 .000 377.594 .316 18,38 18,29 ,51 ,8618 ,8656 -,44 29 1017 .000 377.594 .392 22,81 22,71 ,45 1,0342 1.0380 -,37 29 1018 .000 377.594 ,476 27,66 27,53 ,46 1,2066 1.2109 -,36

83 1 1 1 1 .1

Table 7, (Continued)

Data sources and ID numbers: (l)Virlal Equation, (3)Beattie, (19)Kay, (25)0lds, (29)Sage, (XXXX)Haynes.

i D Data We i ght Temp. Dens ity Dens ty Dens I P„^ 1 „ Pressure ty ' expt ca 1 c

Point expt ca 1 c Dlff. Di f f No. K mol/L kg/m-^ kg/m-^ % MPa MPa

29 1019 .000 377.594 .569 33.07 32.88 .57 1 .3790 1 .3847 -.4 1

29 1020 .000 377.594 .675 39.24 38.96 .72 1 .5513 1 .5587 -.47

29 1021 .000 377.594 7.937 461 .36 458.95 .52 1 .7237 2.0697 -16.72 29 1022 .000 377. 594 8.113 471 .55 469.84 .36 3.4474 3.7570 -8. 24 29 1023 .000 377.594 8.254 479.74 478.67 .22 5.171 5.4023 -4.28 29 1024 .000 377. 594 8. 392 487. 77 486. 18 .33 6.8948 7. 2934 -5.47

29 1 025 .000 377.594 R S97 40S fi9 492.75 .58 8.6184 9.4314 -8.62

'^fi 29 1026 .000 377. 594 o. u^u S01 498.66 .54 10.3421 1 1 . 1923 -7.60

ft 1 29 1 027 .000 377. 594 79 SOfi 0 504.01 .57 1 7.0658 1 3.0660 -7.65

1 ft ftOft ill 04 -7 5"^ 09R .000 377. 594 J \ \ • 7*T 508.93 .59 13.7895 14.9132

1 ft ftft4 R 1 fi ^0 1 1 -7 090 oon 377. 504 J \ \J% _?7 51 3.4R ..56JU 5. 51 39 6.6R00 no

ft O'^ ?9 1 030 000 J3771 1 m. J5047^ Qfi? S90 51 7.73 .61 17,2369 1ft. 6074 -7 ^7 "^4 1 f)"^ 1 000 377 "504 0 09 1 i94 .50 1ft OfiOfi -5 ftQ K97 CO 9Q 000 377. 504 07. U077/ / / . DZ .40 90.6R43 91 7n^*S -4 70

9fi1 O'^ 1 1 R9 1 ft? 101 1 000 J^047*+ . ^(J I ni4

90 000 '104 9fi1 04 9 "lO 9 AQ 1 "^70 1 '^RC\ -J 7H . 1 Z. IjU ^ • . 1 -J / 7 • 1 DO\J

1 ^04 9fi1 7ft ^ 1Q - 1 ft 9Q (W^ 000 7H . Z.U I 77 • £.\J f £-

1 (T^fi "^04 9fi1 ORft S Sft - "^9 000 J. U700 ^ 07 • ^,197 JO m £. 1 \J 1

90 1 000 ^04 9fi1 I 10 fi 49 44 "^447 ^4^9 - 49 t \JJ 1 J 7*T . ^ U 1 u • • DZ, ^^7 1 7 7ft 7 74. 1 4 1 SQ - 54 90 1 U JO 000 394 961 . 1 / • / *T • -^u 4

1 O'^O 1 Sft 0 Ifi 4ft 54 - 1 57 90 i U J7 000 394.261 . JO 7 . I U • \j \

90 000 ^04 9fi1 1 fl9 1 0 R7 in sn • u ^ Q"^ lOil 1 000 ^04 9fil 907 19 01 1 1 6905 - fi4 90 1 Z. U 1

90 1 049 000 ^04 9fi1 1 47 - 5Q 1 J • DO .uo 7 J 9'=; _ R 1 90 1 043 000 394.961 . ^9077 / 1 7 1 7. 1 S D\j %0\J.R6 IR\\J

"^04 1 90 1 044 000 9fi1 . JUQ 91 96 .0349 - 45

99 1 045 .000 394.261 440 25.41 -54 1 .2066 K? 1 ?n -.45

90 000 304 96 570 30 9 ^7.7790.00 .71 1 .3790 5fi

1 ^4.97 1 ^907 047 000 304.961 .60R 35. 36 1.10 1 m.5513J J \ J

29 1 048 .000 394.261 .706 4 1 . 06 40.46 1 .47 1 .7237 1 .74 16 -1 .03

90 1 049 .000 394.261 810 47. 59 46.63 2.02 1 .8961 1 .9209 -1 .29 29 1050 .000 394. 261 ..9497t 7 55.16 53.79 2.49 2.0684 2.0982 -1 .42

29 1 051 .000 394.261 7.471 434.22 435.83 -.37 3.4474 3.2783 5. 16

29 1052 .000 394.261 7.709 448.07 449. 50 -.32 5. 17 1 4.9656 4. 14 29 1053 .000 394.261 7.897 458.98 460.08 -.24 6.8948 6.6991 2.92 29 1054 .000 394.261 8.049 467.83 468.83 -.21 8.6184 8.4059 2.53 29 1055 .000 394.261 8. 178 475.33 476.38 -.22 10.3421 10.0880 2.52

29 1056 .000 394.261 8.293 482.05 483.03 -.20 12.0658 1 1.7982 2.27 29 1057 .000 394.261 8.397 488.07 489.02 -. 19 13.7895 13.5049 2.1 29 1058 .000 394.261 8.488 493.33 494.47 -.23 15.5132 15.1406 2.46 29 1059 .000 394.261 8.569 498.09 499.49 -.28 17.2369 16.7421 2.96 29 1060 .000 394.261 8.647 502.62 504.14 -.30 18.9606 18.3830 3.14 29 1061 .000 394.261 8.718 506.75 508.49 -.34 20.6843 19.9820 3.51

84 . . .1

Table 8. Comparisons of data for ideal gas functions with eq (7).

Normal butane ideal gas functions from Chen, et al. (12]

Temp. J/mo 1 Di tf S*^, J/(mol K) Di f f C°, J/(mo 1 K) Di f f d K expt. cal c. % expt. ca 1 c. % expt. cal c.

50.00 1718.0 1750.3 -1.88 198.363 198.892 -.27 38.07 38.08 -.01 100.00 4048.9 4041.8 .17 229.994 229.925 .03 55.35 55.34 .03 150.00 7142.7 7143.6 -.01 254.889 254.915 -.01 67.32 67.37 -.07 200.00 10736.1 10733.0 .03 275.516 275.505 .00 76.44 76.33 .14

273.15 16883.5 16881 .3 .01 301 .583 301 .574 .00 92.30 92.40 -. 1 298.15 19267.0 19268.1 -.01 309.909 309.931 -.01 98.49 98.59 -.10 300.00 19450.6 19450.9 -.00 310.536 310.542 -.00 98.95 99.05 -. 10

400.00 30636.9 30632.2 .02 342.544 342.533 .00 124.77 124.54 . 18

500.00 44333.7 44299.9 .08 373.004 372.932 .02 148.66 148.37 . 19 600.00 60259.6 60207.1 .09 401.999 401.877 .03 169.28 169.26 .01

700.00 78096.5 78054.9 .05 429.446 429.354 .02 187.02 187.23 -. 1 800.00 97584.3 97567.5 .02 455.428 455.386 .01 202.38 202.63 -.12

900.00 1 18507.2 118509.3 -.00 480.072 480.037 .01 215.73 215.88 -.07 1000.00 140674.4 140684.2 -.01 503.419 503.390 .01 227.36 227.35 .00 1100.00 163928.3 163930.2 -.00 525.552 525.538 .00 237.48 237.35 .06 1200.00 188124.4 188113.2 .01 546.640 546.574 .01 246.27 246.13 .06

85 111 • 8111 9 3

^ r* r\rf\ ( 1 \ i i IUIH-.I II \J\\\ cii^ ' I aD 1 e y 1 n r er po d cu lUtJdl lUHo V / •

Tornp • H°-H°II 1 IQ V P

1 1 •t\.) 1 K J/mo 1 J/mo J/ Cmol »K) J/ (mo J / (mo

130.0 4753.0 5833.9 245.551 55. 17 63.48 £ C CI 140.0 5315. 6479. 250.331 57. 20 55.51 "7 "7 150.0 5896.4 7143.6 254.915 59.05 67.37"7

160.0 6495.8 7826. 259.3 1 60.82 69. 1 170.0 71 12.7 8526.2 263.563 62. 56 70.88 180.0 7747. 9243.7 267.663 64.32 72.54 1 A A C 190.0 8399.4 9979. 271.639 66. 14 74.45 200.0 9070. 10733.0 275. 505 68. 02 76.33

210.0 9760.0 1 1506.0 279.276 69.98 78.29 220.0 10469.9 12299. 282.965 72.02 80.33

230.0 1 1200.6 131 12.9 286.583 74. 14 82.45

240.0 1 1952.9 13948.4 290. 138 76. 34 84 .65 250.0 12727.6 14806.2 293.639 78.61 86.92 260.0 13525.2 15687.0 297.094 80.94 89. z5 270.0 14346.5 16591 .4 300.507 83.32 9 1 .54 280.0 15191 .9 17519.9 303.883 85.76 94.07 290.0 16061.8 18473.0 307.227 88.23 96.55 300.0 16956.6 19450.9 310.542 90.74 99.05

310.0 17876.6 20454. 313.831 93.27 10 1 .58 320.0 18822.0 21482.6 31 7.097 95.82 104. 13 330.0 19792.9 22536.7 320.340 98.38 106.69

340.0 20789.5 2361 6.4 323.563 1 00.94 1 U9. z6

350.0 2181 1 .8 24721 .8 326.767 103.51 1 1 1 .82 360.0 22859.7 25852.9 329.953 106.07 1 14.39

370.0 23933.2 27009.6 333. 122 108.63 1 16.95

1 380.0 25032.3 28 1 9 1 . 336.275 111.18 19.49 390.0 26156.7 29399.4 339.4 12 113.71 1 22.02 1 O /I C^/l 400.0 27306.4 30632.2 342. 533 1 16.22 1 Z4 . 1)4 1 O ~7 CtA 410.0 28481 . 31890. 34 5.639 1 1 8.72 1 z / . U4 1 O 1 O ^ 1 420.0 29680.7 331 72.8 348.730 Izl .ZU

430.0 30905.0 34480.2 35 1 .806 1 J 1 . yo 1 0£ A~7 440.0 321 53.6 3581 2.0 354.867 1 Z6. U / 1 j4. jy

450.0 33426.4 37167.9 357.9 14 1 28.48 1 JO. /y

460.0 34723.0 38547.7 360.947 1 30.85 139. Id 470.0 36043.3 39951 . 363.965 133. 19 141.51 1 j1 "7 O "Z 480.0 37386.8 41377.8 366.969 135.51 1 43.83 1 yl 11 490.0 38753.4 42827.5 369.958 1 37.80 146. 1 1 1 yi o x~i 500.0 40142.7 44299.9 372.932 140.06 1 C A C A 510.0 41554.4 45794.8 375.893 142.28 1 50.50

1 520.0 42988.2 4731 1 .8 378.838 144.48 52.79 530.0 44443.9 48850.6 381.769 146.64 1 54.96 540.0 45921.0 50410.9 384.686 148.78 1 57.09

550.0 47419.4 51992.4 387. 588 1 50.88 159.20

560.0 48938.6 53594.7 390.475 1 52.96 161 .27 570.0 50478.4 55217.7 393.347 1 55.00 163.32

580.0 52038.5 56861 .0 396.205 1 57.01 165.33 590.0 53618.6 58524.2 399.048 1 59.00 167.31 600.0 55218.4 60207. 401 .877 160.95 169.26 610.0 56837.5 61909.4 404.690 162.87 171.19 620.0 58475.8 63630.8 407.489 164.77 173.08 630.0 60132.8 65371 .0 410.274 166.63 174.95 640.0 61808.4 67129.6 413.043 168.47 1 76.78 650.0 63502. 68906.6 415.798 170.28 178. 59

660.0 65213.9 70701.4 , 418.539 1 72.06 180.37 670.0 66943.3 72514.0 421.264 173.81 182.13 680.0 68690.0 74343.9 423.975 175.54 183.86 690.0 70454.0 76191 .0 426.672 177.24 185.56 700.0 72234.8 78054.9 429.354 178.91 187.23

85 11 1 . 1 . 7

Table 10. Comparisons of heat of vaporization data with eq (9).

Data sources and ID numbers: (lO)Dana, (ll)Das (1967), (29)Sage,

(35)Das ( 1973) , (40) 1 nerma Loops, (4 1) C 1 apeyron

ID Weight Temp. Heat of Vaporization Diff, K kj/mo %

expt. ca 1 c

A OCA 40 1 .000 28.746 28.789

40 .998 1 40.000 28.499 28.521 -•03 40 .995 150.0001 C A AAA 28.022 28.016 .02AO 1 /I A AAA A~7 40 .992 1 60.000 27.553 27.533 .0 / A O O AO 40 • 988 170.000 27.090 27.067 .08 "7 1 O A AAA A 40 .984 1 80.000 26.635 26.615 .07 40 A~7 A 1 AA AAA 26. 186 26. 174 .05A C AT>I OAA AAA A 1 40 .y /4 25.742 25.739 .U 1 40A A .yoy O 1 A AAA 25.301 25.307 -. UzAO 40A A .yoj OOA AAA 24.861 24.875 -.UPAC^ A A OR"? AQ .yp / 24.417 24.438 Uo A A — 11 •ysu Z4U»UUU 23.965 23.992 • 1 1

Ar\ — 1 A 4U »y4j Z.^\J • UUU 23.503 23.535 A A .yj4 23.024 23.061 .10 _ 1 A 4U . yzz> z / U ©UUU 22.524 22.567 A 1 .yyo 28.521 28.521 .UUnn

A 1 . yy3 23.032 28.016 . UP j1 1 n7 •yy 1 1 DU •UUU 27.551 27.533 .u / yi 1 nn nnn AA •yoD 1 /U aUUU 27.082 27.067 .uo / 1 ion nnn A"^ 4 1 •yoz 1 oU«UUU 26.624 26.615 .UP

A 1 1 on nnn A 1 4 1 .y / /„ 1 yu .UUU 26.176 26.174 .U 1 A 1 ATI OAA AAA A 1 4 1 .971 25.735 25.739 -.U 1

>i 1 O 1 A AAA A'^ 4 1 •yoD Z 1 U.UUU 25.299 25.307 -.Up 4 .ypy ZZU.UUUOOA AAA 24.865 24.875 - .U4 OX A AAA A/t 4 1 •yDii Z^U.UUU 24.429 24.438 -. U4 A 1 O ^ A AAA AO 4 1 .945 Z4 U.UUU 23.987 23.992 -.02 A 1 .yjo zdUOCA .UUUAAA 23.536 23.535 .UUAA AOT OjCA AAA r\A 4 1 .92/ zoU.UUU 23.070 23.061 .U4

yi 1 AIT 0~lf\ AAA AA 4 1 .y 1 / Z/U .UUU 22.586 22.567 .uy AAC OOA AAA 4 1 ZoUpUUU 22.077 22.048 . I 5 A 1 QQO OOA Ann 4 1 .cjy^ zVU • UUU 21 .535 21 .500 . 1 / A 1 "ZAA AAA 4 1 .875 500.000 20.955 20.917 . 18 D KA "Z 1 A AAA 4 •859 510.000 20.328 20 . 294 . 1 it 1 T O A AAA 4 1 • 859 520.000 19.650 19.626 . 12 O 1 c T "2 A AAA A C 4 \ •815 530.000 18.915 18.906 .05

41 • 786 340.000 18.118 18.125 -.04 41 • 751 350.000 17.253 17.274 -.12 yi 1 1 £r A AAA 41 • 708 350.000 16.312 16.340 -. 1 7 A 1 ZTA AAA 4 1 • o53 37U .UQU 15.282 15.306 -.15 A 1 T O A AAA 41 • 581 580.000 14.139 14.147 -.06 7AA AAA 1 "Z 4 1 •484 590.000 12.841 12.824 . 15

>I A A AAA 4 0.000 400.000 1 1.306 1 1.262 .39 A 1 ^ 1 A AAA 4 0.000 4 1 0 .000 9.344 9.292 .56 A 1 A AAA y» O A AAA 1 c 4 1 0.000 420.000 6.264 6.273 -.15

A AAA 1 A 1 1 0.000 2/2.550 22.389 22.431 -. 19 0~7 "7 1 A A AAA >1 ATA 22.252 22.312 O

1 A A AAA OIC. COA A 1 u /LIO» PZU 22.162 22.284 -.40 1 A A AAA QTQ T^A O A 1 u U.UUU z /y . /5U 22.009 22.062 1 1 A AAA OQA AAA 1 A 1 1 U.UUU ZBU .UUU 22.016 22.048 -. 14 J J U.UUUA AAA ZOOQAU.UUUAAA 22.037 22.048 -.up

1 A A AAA A^^ 1 u U.UUU Zo4 .y4U 21.768 21 .781 -.U5 1 A A AAA OQC; TOA A*7 1 u U.UUU zop. /yu 21.749 21 .734 .U / 1 1 A AAA OAA AAA AQ 1 1 U.UUU zyu • UUU 21 .481 21.500 -.uy U.UUUA AAA OAAzyu.uuuAAA 21.548 21 .500 .ZPOZ 1 A A AAA OAA >10A OA 1 (J U.UUU zyu.4oU 21.515 21.472 .ZU 10 0.000 295.310 21.240 21.195 .21 10 0.000 297.480 21.092 21.067 .12

1 0.000 300.000 20.887 20.917 -.14 35 0.000 300.000 21 .037 20.917 .57 11 0.000 310.000 20.251 20.294 -.21 35 0.000 310.000 20.510 20.294 1.06

1 0.000 320.000 19.581 19.626 -.23

35 0.000 320.000 19.933 19.626 1 .56

87 1 , 79

Table 10. (Continued).

^ T 3 CT/^ 1 1 r~ £i C ^ I'l 1 u 1 1 uiiiUo r b , (lOOana, ( 1 1 )Das ( 1967), (29)Sage,

IJ)-) ; UaS i \ y / j) , K 4u J 1 nerrna i Loops, (41 )Clapeyron.

ID Weight Temp. Heat of Vaporization Diff,

K K J/ mo 1 %

ex pt. ca 1 c

-1 1 r\ Ann z"ZA Ann A 1 1 1 u.uuu 18.903 18.906 -.01 A AAA 1 O C DO U.UUU 19.255 18.906 1 .OD II U.UUU J^U •UUu 18. 184 18.125 . JJ jD U.UUUA AHA z / n nnn 18.477 18.125 xc^n nnn 1 1 u. uuu 17.405 17.274 Jp U.UUUA AAA XRn nnn 17.569 17.274 1 ~l 1 'z.f.r) nnn 1 1 u. uuu _30U • uuu 16.552 16.340 1 7n Tcn nnn JJ u.uuu J>OU« UUU 16.564 16.340 1I.J/^7

1 1 n nno 1 1 1 U. ^J\JU J / u • uuu 15.573 15.306 n nnn nnn on JJ D 1 \J • UUU 15.443 15.306 •y u

It n nnn "^^^n nnn 9 1 1 1 JO w • uuu 14.447 14.147 ^on J J- U.UUUn nnn J>OU eUUUnnn 14.209 14.147 1 1 n nnn "^on nnn 1 I U.UUU ->yu .uuu 13.138 12.824 Z. Hj

n nnn "^on nnn 1 n JJ U.UUU j^yj ©uuu 12.837 12.824 . 1 u

1 1 n nnn Ann nnn 9 1 1 1 u. uuu '+UU • uuu 1 1.506 1 1.262 tR n nnn Ann nnn -47 U.UUU 'lUU.UUU 1 1.209 1 1.262 n nnn Ar\^ nnn _ Q9 jO U.UUU 4Uy • uuu 10.251 10.347 1 n nnn y! 1 n nnn 1 1 U.UUU 4 1 U« UUU 9.263 9.292 —.J 1 XR n nnn A 1 n nnn U.UUU 4 I u .uuu 9. 184 9.292 — I . I o A AAA ^ 1 c nnn — 1 Afi jO U.UUU 4 I !3«UUU 7.895 8.012 1 .40 1 A AAA yi'7n nnn 9 1 *^ r 1 U. UUU 4ZU« UUU 6.138 6.273 -Z . 10 j5XK U.UUUA AAA 4zU«UUU^ on nnn 5.916 6.273 -5.oy n nnn 1 nR U.UUU lri"t • ZDU 21.479 21.256 1 . uu 29 0.000 310.930 20.382 20.234 .73 29 0.000 327.590 19.120 19.085 .19 29 0.000 344.260 17.712 17.771 -.33 29 0.000 360.930 16.094 16.248 -.95 29 0.000 377,590 14.096 14.440 -2.38 29 0.000 394.260 11.622 12.194 -4.69

Number of data points used in fit = 41; rms deviation = 0.095|.

88 . 4 • /

Table 11, Enthalpies of saturated liquid normal butane frorn eq (10).

M n i f f eq \ Tsnp "a Mq I \ )

J/ mO 1 J/mO 1 h

A AAA 1 j4 .OO • U U. UUU AOT 1 41). UU ou^«y 1 ~7 7 1 C 1 T7 1 a A A 1 1 3U.UU 1 / / 1 .0 .UU1 loU.UU OQ X 7 O AA R

>1 1 AO /I AAO 1 /U.UU 4 IU^«4 loU.UU COT A C -.UUlAA 1 1 on HA (LA /I A C AAT 0444 D d444 • - .UUj OA A AA AAT /D^ / • y -. UU3 o 1 c; ^ lU.UUA AA OOZ J«4 Q QO X -.UUUAAA OO A AA AAO 1 UUj4. o 1 UUj4« 4 "7 O"^ A AA I 1 O^L"^ AA'^ /jU. uu I 1 ^d4 I I Add m I .UU3 O/l A AA 1 O c; 1 /I A AA1 Z4U.UU 1^:5 1 4,/ \^z> \ 4.U • UUl OCA AA 1 "70 "7 O 1 "70 ~7 A AAA ZDU.UU 1 3 /o / .y .UUU "7 A AA 1 C^nO 1 c; AO "7 c AA 1 ^ou • UU 1 -)Uo / • J -. UU 1 OTA AA 1 gLA \ A Q AAO Z /U.UU 1 d4 1 .o 1 04 1

OQ A AA 1 ~t~I~JO X AAO zyu . UU \ 1 1 1 1 / / /Z .D

OQ A AA 1 Q 1 1 A AA 1 y 1 D 1 .4 1 y 1 o 1 ©o -.UU TAA AA JUU. UU ZUD04 • 1 iU-)04 • U .UU 1

•Z 1 A AA 9904 1 Q 9904 1 R nn 1 J 1 U.UU • UU 1 JZU.UU•ZO A AA OX^Xf. x. nn9 9sn7n R 9sn7n nm ^ / u» o £.J\J 1 \) %\J • uu 1 X/IA AA _ AA1 -JHU . UU ^uut / • 1 • UU 1

j-^u . uu 9R9fift ft - .UUlnm 360.00 29940.6 29941.2 -.002 370.00 31668.3 31668.7 -.001 380.00 33460.0 33459.6 .001 390.00 35327.5 35326.6 .003 400.00 37293.8 37293.1 .002 410.00 39414.3 39416.2 -.005 420.00 41932.5 41931.6 .002 425.16 45399.8 45399.8 0.000

Number of points = 29; rms deviation = 0.005^.

1 Derived from ideal gas functions, the equation of state, and the formulated heats of vaporization.

89 .1

Table 12. Entropies and specific heats of saturated liquid norma! butane from eq (11).

1

1 ( emp. So S o eq (11)) D 1 f f Ca K J/(mol 'K; J/(moi 'K) % J/(mol 'K)

134.86 1 33.544 1 33.544 0.000 1 1 7.39

140.00 137.932 137.929 .002 1 17.07

1 50.00 145.992 145.989 .002 1 16.61

1 60 . 00 153.507 153.507 .000 1 16.42

170.00 160.565 160.567 -.001 1 16.54

180.00 167.237 167.239 -.001 1 16.99

190.00 173.582 173.584 -.001 1 17.77

200.00 179.652 179.651 .000 1 18.88 21 0.00 185.486 185.484 .001 120.29 220.00 191 . 120 191.118 .001 121 .98 230.00 196.584 196.582 .001 123.92 240,00 201 .902 201 .901 .000 126, 10 250.00 207.096 207,097 -.000 128.48 260.00 212. 183 212. 185 -.001 131 .05 270.00 21 7. 180 21 7. 182 -.001 133.79 280.00 222.098 222. 100 -.001 136.70 290.00 226.950 226.950 -.000 139.78 300.00 231 .744 231 .743 .000 143.02 310.00 236.490 236.488 .001 146.44

320.00 241 .196 24 1 . 1 94 .001 150.05 330.00 245.870 245.869 .000 153.88 340.00 250.521 250.522 -.000 157.94 350.00 255. 160 255. 163 -.001 162.29

360.00 259.797 259.800 - . 00 167.03 370.00 264.446 264.447 -.000 172,29 380.00 269. 122 269. 120 .001 178.40 390.00 273.354 273.848 .002 186.05 400.00 278.689 278.686 .001 196.99 410.00 283.753 283.765 -.004 217.06 420.00 289.605 289.598 .002 287.81 425.16 297.647 297.647 0.000

Number of points = 29; rms deviation = 0.001$.

Derived from ideal gas functions, equation of state, and formulated heats of vaporization.

90 ^

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Table 14. Comparisons with saturated liquid specific heats.

Data sources and ID numbers: (l)Aston, (2)Huffman, (3)Dana.

ID Temp. ^0' J/(mol ^K) Di f f

K expt ca 1 c %

1 139.880 1 13.24 1 17.08 -3.28

1 142.220 1 13.45 1 16.95 -2.99

149.500 1 14.71 1 16.53 -1 .55

1 56.030 1 1 6.00 1 16.46 -.39

162.290 1 15.92 1 16.42 -.43

168.490 1 16.84 1 16.50 .29

174 .590 1 16.80 1 15.70 .08

180.830 1 17.09 1 1 7.04 .05

186.630 1 18.05 1 17.47 .50 1 1 T A >1 191 .760 1 1 8.47 1 1 7.94 • 45 1 1 O A C\ 195.030 1 19. z/ 1 IO.49 • D-5 1 OA 1 A 1 1 A "2 A ^03.240 120. 1 1 1 9.30 • 57 209.000 120.40 120. 13 .22

2 1 5. 940 1 2 1 . 78 12 1 .25 .43

222.7 1 0 122.53 122.48 .04

230.810 123.91 124.09 -. 1 5 238.430 124.83 125.74 -.73 247.010 127.00 127.75 -.58 251 .430 129.22 128.84 .30 262.040 130.94 131 .59 -.50 268. 140 131.61 133.27 -1 .25

2 139.700 1 13.55 1 1 7 . 09 -3.02

2 150.200 1 14.04 1 16.61 -2.20

2 1 52.500 1 14.77 1 1 6.54 -1 .52

2 170.200 1 15.25 1 16.54 -1.11

2 187.000 1 17.69 1 17.50 .16

2 190. 1 00 1 17.44 1 17.78 -.29 2 230.000 123.03 123.92 -.72 2* 261 .800 129.60 131 .53 -1 .47 3 256.950 125.973 130.246 -3.39 3 270.550 131.324 133.948 -2.00 3 277.280 135.458 135.895 -.32 3 285.020 137.647 138.227 -.42 3 289.930 139. 106 139.757 -.47 3 267.020 130.594 132.957 -1.81 3 276.380 141.295 135.631 4.01 3 284.770 139.106 138.150 .69 3 289.760 140.808 139.704 .78 3 294.380 143.727 141 .179 1.77

Number of data points = 39; rms deviation = 1.49|.

95 Table 15. Comparisons with Cv and Cp data,

Cp data of Sage [551

P = 0. 101325 MPa ( 1 atm)

Temp. Cp, J/(nnol»K) Diff. K expt calc %

294.261 95.964 99.246 -3.42 310.928 98.541 103.081 -4.61 327.594 101.314 107.088 -5.70 344.261 104.208 111.189 -6.70 360.928 107.223 115.333 -7.56 377.594 110.312 119.487 -8.32 394.261 113.400 123.625 -9.02 410.928 116.416 127.730 -9.72

Number of data points of Sage [651 = 8; rms deviation = 7.18^.

Cp data of Dai ley [ 18]

Temp. Cp, J/(mol»K) Diff. K expt calc %

344.900 110.583 110.514 .06 359.600 114.934 114.285 .56 387.500 121.754 121.392 .30 451.600 137.988 137.171 .59 521.000 154.013 153.011 .65 561.300 162.256 161.540 .44 600.800 170.331 169.420 .53 692.600 185.853 185.9^3 -.08

Number of data points of Dai ley [181 = 8; rms deviation = 0.46^.

96 Table 16. Comparisons with velocity of sound data.

Saturated liquid velocities of sound from Rao (581

Temp. Dens i ty Vel . of Sound, m/s Dif f.

K kg/m3 expt ca 1 c %

268. 150 605.89 1085 1049 3.31

263. 150 61 1.16 1 115 1074 3.62 253. 150 621.54 1173 1125 4.03 243.150 631.71 1230 1176 4.33 233. 150 641 .69 1286 1227 4.54 223. 150 651.53 1343 1278 4.81 213.150 661 .24 1400 1328 5.08 203. 150 670.84 1459 1379 5.46 193.150 680.37 1515 1429 5.65 183. 150 689.83 1573 1479 5.95 173.150 699.26 1630 1529 6. 18 158.150 713.36 1715 1603 6.48 153. 150 718.05 1743 1628 6.55 148. 150 722.75 1772 1653 6.66 143. 150 727.46 1800 1679 6.71

of data points of Rao (581 =: 15; mean deviation = 5.29^.

97 1 1 1 1

Table 17. Calculated P{T) isochores of normal butane.

Normal Butane 1 sochore at 25 kg/m"^

1 sotherm 1 sochore 1 sochore

Temp. Pressure Z Der i vat i ve Der i vat i ve Curvature K MPa MPaMn3/kg MPa/K

352.827 1.0063 .79753 .03014 .00465 -,0000149 360.000 1.0393 .80729 .03187 .00456 -.00001 15 368.000 1.0755 .81721 .03371 .00448 -.0000091 376.000 1.1110 .82627 .03547 .00441 -.0000074

384.000 1 .1461 .83461 .03719 .00436 -.0000062 392.000 1.1808 .84232 .03886 ,00431 -.0000053

400.000 1 .2152 .84948 .04050 ,00427 -.0000046 408.000 1.2492 .85616 .04211 .00424 -.0000040

416.000 1 .2830 .86241 .04370 .00421 -.0000036 424.000 1.3166 .86827 .04526 ,00418 -.0000032

432.000 1 .3499 .87379 .04680 .00416 -.0000028 440.000 1.3831 .87899 .04833 .00414 -.0000025 448.000 1.4161 .88390 .04984 .00412 -.0000023 456.000 1.4490 .88855 .05134 ,00410 -,0000021

464.000 1 .4817 .89296 .05282 ,00408 -,0000019 472.000 1.5143 .89715 .05430 ,00407 -.0000018

480.000 1 .5468 .901 13 .05576 ,00406 -.0000016 488.000 1.5792 .90492 .05722 .00404 -.0000015 496.000 1.6115 .90853 .05867 .00403 -.0000014 504.000 1.6438 .91 199 .0601 .00402 -.0000013

512.000 1 .6759 .91529 .06154 ,00401 -.0000012 520.000 1.7079 .91844 .06297 ,00400 -.000001

528.000 1 .7399 .92147 .06439 ,00399 -.0000010 536.000 1.7719 .92437 .06580 .00399 -.0000010

544.000 1 .8037 .92715 .06721 .00398 -.0000009 552.000 1.8355 .92983 .06861 .00397 -.0000008 560.000 1.8673 .93240 .07001 .00397 -,0000008 568.000 1.8990 .93487 .07141 .00396 -,0000007 576.000 1.9306 .93725 .07280 .00395 -,0000007 584.000 1.9622 .93955 .07419 ,00395 -,0000007

592.000 1 ,9938 .94176 .07557 .00394 -.0000006 600.000 2.0253 .94389 .07695 .00394 -.0000006 608.000 2.0568 .94596 .07833 ,00393 -.0000006 616.000 2.0883 .94795 .07970 ,00393 -.0000005 624.000 2.1197 .94987 .08108 ,00392 -.0000005 632.000 2.1510 .95173 .08244 .00392 -.0000005 640.000 2. 1824 .95353 .08381 .00392 -.0000005 648.000 2.2137 .95528 .08517 .00391 -.0000004 656.000 2.2450 95696 .08654 .0039 -.0000004 664.000 2.2763 .95860 .08789 .00391 -.0000004 672.000 2.3075 .96019 .08925 ,00390 -.0000004 680.000 2.3387 .96173 .09061 ,00390 -.0000004 688.000 2.3699 .96322 .09196 ,00390 -.0000004 696.000 2.401 .96467 .09331 .0 0 389 -.0000003

98 1

Table 17. (Continued),

Normal Butane I sochore at 50 kg/m-

1 sotherm 1 sochore 1 sochore

Temp, Pressure Z Der i vat ive Der i vat 1 ve Curvature K MPa MPa.m3/kg MPa/K MPa/K^

383.962 1.8715 .68148 .02109 .01085 -.0000535 384.000 1.8719 .68156 .02111 .01085 -.0000534

392.000 1 .9572 .69808 .02354 .01050 -.0000375 400.000 2.0401 .71308 .02580 .01023 -.0000288 408.000 2.1211 .72686 .02796 .01003 -.0000232 416.000 2.2006 .73961 .03003 .00986 -.0000193 424.000 2.2789 ,75147 .03204 .00972 -.0000164 432.000 2.3561 .76254 .03400 .00959 -.0000142 440.000 2.4324 ,77293 .03591 .00949 -.0000124 448.000 2.5079 .78269 .03779 .00939 -.00001 10 456.000 2.5828 .79190 .03964 .00931 -.0000098 464.000 2.6569 .80060 .04146 .00924 -.0000088 472.000 2.7306 .80884 .04326 .00917 -.0000079 480.000 2.8037 .81666 .04503 .0091 -.0000072 488.000 2.8763 .82409 .04679 .00906 -.0000065 496.000 2.9486 .831 16 .04853 .00901 -.0000060 504.000 3.0204 ,83790 .05026 .00896 -.0000055 512.000 3.0919 .84433 .05197 .00892 -.0000051 520.000 3.1631 .85048 .05366 .00888 -.0000047 528.000 3.2340 .85636 .05535 .00884 -.0000043 536.000 3.3046 .86200 .05702 .00881 -.0000040 544.000 3.3749 .86740 .05869 .00878 -.0000038 552.000 3.4450 ,87258 .06034 .00875 -.0000035 560.000 3.5149 .87757 .06199 .00872 -.0000033 568.000 3.5846 .88235 .06363 .00870 -.0000031 576.000 3.6541 .88696 .06526 .00867 -.0000029 584.000 3.7233 .89140 .06688 .00865 -.0000027 592.000 3.7925 ,89567 .06850 .00863 -.0000026 600.000 3.8614 .89980 .07011 .00861 -.0000024 608.000 3.9302 .90378 .07171 .00859 -.0000023 616.000 3.9988 .90762 .07331 .00857 -.0000022 624.000 4.0673 .91 133 .07490 .00855 -.0000021 632.000 4.1357 .91492 .07649 .00854 -.0000020 640.000 4.2039 .91839 .07807 .00852 -.0000019 648.000 4.2721 ,92175 .07965 .00851 -.0000018 656.000 4.3401 ,92501 .08123 .00849 -.0000017 664.000 4.4080 .92816 .08280 .00848 -.0000016 672.000 4.4758 .93122 .08436 .00847 -.0000016 680.000 4.5435 .93418 .08592 .00846 -.0000015 688.000 4.6111 .93705 .08748 .00844 -.0000014 696.000 4.6786 .93984 .08904 .00843 -.0000014

99 11 .

Table 17. ( Cont i nued )

kg/m- Normal Butane I sochore at 100

1 sochore 1 sotherm 1 sochore

i Curvature Der i vat i ve Der ivat ve Temp • Pressure Z MPa/K^ K MPa MPa.m3/kg MPa/K -.0002358 411 .953 3.0475 .51715 .00819 .02600 -.0001567 416 .000 3. 151 ,52952 .00973 .02523 424.000 3.3487 .55212 .01245 .02426 -.0000967 432.000 3.5400 .57286 .01499 .02360 -.0000705 440.000 3.7268 .59211 .01742 .02310 -.0000554 448.000 3.9100 .61012 .01978 .02270 -.0000455 456.000 4.0902 .62705 .02209 .02237 -.0000384 464.000 4.2680 .64302 .02435 .02208 -.0000330 -.0000288 472.000 4.4437 .65814 .02659 .02184 480.000 4.6175 .67249 .02880 .02162 -.0000255 -.0000227 488.000 4.7896 .68613 .03098 .02143 -.0000205 496.000 4.9604 .69912 .03315 .02126 -.0000185 504.000 5.1298 .71 152 .03530 .02110 -.0000169 512.000 5.2980 .72337 .03743 .02096 -.0000154 520.000 5.4651 .73472 .03954 .02083 -.0000142 528.000 5.6313 .74558 .04165 .02071 -.0000131 536.000 5.7965 .75601 .04374 .02060 -.0000121 544.000 5.9609 .76601 .04582 .02050 -.00001 13 552.000 6.1246 .77564 .04789 .02041 -.0000105 560.000 6.2875 .78489 .04996 .02032 -.0000098 568.000 6.4497 .79380 .05201 .02024 -.0000092 576.000 6.61 13 .80239 .05406 .02016 584.000 6.7723 .81067 .05609 .02009 -.0000087 -.0000082 592 .000 6.9328 .81867 .05813 .02002 -.0000077 600.000 7.0927 .82639 .06015 .01996 -.0000073 608 .000 7.2522 .83385 .06217 .01990 .01984 -.0000069 616.000 7.41 1 .84106 .06418 -.0000066 624.000 7.5697 .84804 .06619 .01979 -.0000062 632.000 7.7278 .85479 .06819 .01974 640.000 7.8855 .86133 .07018 .01969 -.0000059 648.000 8.0428 .86767 .07217 .01964 -.0000057 656.000 8.1998 .87382 .07416 .01960 -.0000054 664.000 8.3564 .87978 .07614 .01956 -.0000052 672.000 8.5127 .88556 .07812 .01952 -.0000050 -.0000048 680.000 8.6687 .891 18 .08009 .01948 688.000 8.8244 .89664 .08206 .01944 -.0000046 696.000 8.9797 .90194 .08402 .01940 -.0000044

100 • J1 / 1 3u1 /1 4uUb1

Table 17. (Continued).

Normal Butane I sochore at 150 kg/ttr

1 Q(^r^hAf~f^ 1 1 t III 1 ^\J\^ WKJi "3

i i 7 Hpr 1 Wrii" 1 VP P iir\/;^ i" iirp 1 1 1 CJ 1 Tsmp • r 1 o Ul t; \jss\ V a V c L/d V VU 3 MPp^ m3 / kn IS MP o • Ml—'/ r\y I t a / IN

"7 T A 1 1 AA 1 Q*^ ^ZZ» Z /o • uu 1 yo .U4Z3y •UUUODoO A A AAA /I r\^^A ~ • UUZOJ) .U4 1 34 • UUUh D I J) A "^O AAA A A 1 OR AZQCA ~ 4 •U I ZD •4 jZO •UUPZO • UJjy J4 •UUU IP/! vl y! A AAA y1 CO A c _ nnnnQQ/i 4 • j>Z4!? •UU / OU .U JO 00 ~ •uuuuy y4

>l >I O AAA y1 TAA A 1 A"^A 44o«UUU 4 DjUU .40 103 •U UjU • U_) /o / — •UUUU /J)4 ytcc AAA yl AQ A 1 01 Q nz7z CI - nnnn rq"^ 4 •yj>Uo .!3Ujy4 •u 1 z / y • UUUUPoJ) >1 £ y1 AAA A 1 c:OP ~_ nnnn/iQO 4o4 •UUU •U 1 PZO •u joyz •UUUU40Z C 1 C/1 1 A "70 AAA CO -J CO — 4 /z •UUU •U 1 / / D •Ujop / • UUUU4 1 /I O A AAA C O 1 "ZA AOAOt^ AAA A "Z ^1 •UzUzP .UjD2tD - •UUUUpP /

>1 O O AAA C 1 AO A C OO T C AO 0"7 A A "2 CA A A AA A "Z 1 A 488.000 D. 1 OzO .582 /5 .u35yy -•UUUU3 1 A f\£ AAA C 1 O AA AA "Z 1 A O COT A A A A OO A 495.000 .50031 •Oz5z3 .Oji> /5 - •UUUUzoU Cir\ A AA A 1 "7 1 C AO"7"7 A Z C C^ AAA AO CI'Z 504.000 D^D /4 .51 /Id • Uz / Id -• UUUUzPP CIO AAA A "Z AOO AT CTC A A A AO OA 512.000 •yp / / •Oj3j2 •U3UzZ .Uj535 - •uuuuzzy COA AAA ~7 TZ AO /Tyl Q Q C A "Z 0"7 1 AT C 1 7 AAAAO 1 A 5zO. 000 / •z3yo .54ooD .0351 / - • UUUUz 1 coo AAA A"Z C^O 1 AT CA 1 A AAA ^ dT. .5ojol •U3Pz 1 .0350 - .UUUU 1 y3 "7 "7 CZX AAA Q A AA A'Z"7 A AT /I D A AAA 1 ~I O / •oUUU •D /o2 1 • \}D I f\J .U340D -•UUUU 1 /y C A A AAA A A A \ C £1 544.000 8 .0784 .69208 •040 19 .03473 - .0000 156 552.000ceo AAA 8^3557 .70545 •04268 .03460 -.00001A AA A 1 55C C CrCA AAA A >1 C 1 O AT ^ ^ Q AA A A 1 A C 5dU«UUU O •DJZU • U4 Plo .03448 - .0000145

C£iQ AAA Q A A"7 T "7Z AQ C A T /I T7 A AAA 1 T 7 POO .UUU y .yu 1 •U4 10 .0343/ -.UUUU 1 3 / C^"7£ AAA A 1 Q 1 O "7/1 OA 1 A CA 1 AT ^ OiC AAAA 1 OA /D.UUU y • ] o lo • UpU id .03425 -.UUUUl 29 "7 CO /I AAA A ^ p R C/1 C"7 A T/1 1 AAAA 1 OO !>o4 .UUU y • 4DDD . / 34D •UPZD4 .U34 15 -.UUUU 1 22 CAO AAA A 70Q>1 A K c; 1 "z A T^ AAAA \ ^ C -)yz. UUU y • /zo4 . /DDot) •UPP 1 .U34U5 -.UUUU 1 1 -7-7^:-7A CAA AAA 1A AAAPi - AAAA 1 1 A duu»uuu 1 U^ UUUD • U D / OZ .uj jy . UUUU 1 1 zTAQ AAA 1 A O "70A "7Q "TZT A£: A 1 A AT TOO AAAA 1 AC oUo .UUU 1 U • z /zU •UdU 1 .03389 -.UUUU lU5 1 r AAA AT TQ 1 AAAA 1 AA D 1 D •UUU 1 U •P4zo . / y / 5J •Udzpo .U33o -.UUUU 1 UU r\f. ^Pif. O^H • UUU 1 u • o 1 zy •UDPUD .uuuuuyo 632.000 11.0824 .81723 .06754 .03365 -.0000092

640.000 1 1.3513 .82660 .07002 .03358 -.0000089

648 .000 1 1.6197 .83570 .07249 .03351 -.0000085 656.000 11.8875 .84453 .07497 .03344 -.0000082 664.000 12.1548 .85312 .07744 .03338 -.0000079 672.000 12.4215 .86146 .07990 .03332 -.0000077 680.000 12.6878 .86958 .08237 .03326 -.0000074 688.000 12.9536 .87747 .08483 .03320 -.0000072 696.000 13.2190 .88515 .08729 .03314 -.0000070

101 1 1

Table 17. (Continued).

Normal Butane Isochore at 200 kg/m^

1 sotherm 1 sochore 1 sochore

Temp. Pressure Z Der i vat i ve Der 1 vat i ve Curvature K MPa MPa.m3/kg MPa/K MPa/K^

425.033 3.7879 .31 150 .00008 .05803 -.0067339 432.000 4. 1771 .33797 .00216 .05515 -.0001 184 440.000 4.6154 .36665 .00475 .05449 -.0000628 448.000 5.0496 .39398 .00747 .05407 -.0000441 456.000 5.4809 .42012 .01026 .05376 -.0000345 464.000 5.9099 .44520 .0131 .05351 -.0000286 472.000 6.3371 .46929 .01601 .05330 -.0000246 480.000 6.7628 .49246 .01896 .0531 -.0000218 488.000 7.1870 .51478 .02193 .05295 -.0000196 496.000 7.6100 .53628 .02494 .05280 -.0000179 504.000 8.0318 .55702 .02796 .05266 -.0000165 512.000 8.4526 .57705 .03101 .05253 -.0000154 520.000 8.8724 .59639 .03408 .05241 -.0000145 528.000 9.2912 .61508 .03716 .05230 -.0000138 536.000 9.7092 .63315 .04026 .05219 -.0000131 544.000 10. 1263 .65065 .04337 .05209 -.0000126 552.000 10.5426 .66758 .04649 .05199 -.0000121 560.000 10.9582 .68398 .04962 .05190 -.00001 17

568.000 1 1 .3730 .69987 .05275 .05181 -.0000113 576.000 11.7871 .71528 .05589 .05172 -.00001 10 584.000 12.2005 .73022 .05904 .05163 -.0000107

592.000 12.6132 .74472 . .06220 .05155 -.0000104 600.000 13.0252 .75880 .06535 .05146 -.0000102 608.000 13.4366 .77246 .06852 .05138 -.0000100 616.000 13.8474 .78574 .07168 .05130 -.0000098 624.000 14.2575 .79864 .07485 .05123 -.0000096 632.000 14.6670 .81118 .07801 .05M5 -.0000094 640.000 15.0759 .82337 .081 18 .05108 -.0000092 648.000 15.4842 .83523 .08435 .05100 -.0000091 656.000 15.8920 .84677 .08752 .05093 -.0000090 664.000 16.2991 .85800 .09070 .05086 -.0000088 672.000 16.7057 .86894 .09387 .05079 -.0000087

680.000 17.1 1 18 .87958 .09704 .05072 -.0000086 688.000 17.5172 .88996 .10021 .05065 -.0000085 696.000 17.9222 .90006 .10337 .05058 -.0000084

102 1 .

Table 17 . ( Cont i nued )

Normal Butane Isochore at 227.847 kg/m^

1 sotherm 1 sochore 1 sochore

Temp. Pressure Z Der i vat i ve Der i vat i ve Curvature K MPa MPa.m3/kg Wa/K MPa/K2

425. 160 3.7960 .27394 .00000 .06427 -.0000000 432.000 4.2356 .30082 .00216 .06427 -.0000007 440.000 4.7497 .33120 .00505 .06426 -.0000014 448.000 5.2638 .36049 .0081 .06425 -.0000021 456.000 5.7777 .38875 .01 128 .06423 -.0000028 464.000 6.2914 .41601 .01453 .06420 -.0000034 472.000 6.8049 - .44234 .01786 .06417 -.0000039 480.000 7.3182 .46778 .02123 .06414 -.0000044 488.000 7.8311 .49236 .02466 .06410 -.0000048 496.000 8.3438 .51613 .02812 .06406 -.0000052 504.000 8.8561 .53913 .03161 .06402 -.0000056 512.000 9.3681 .56138 .03514 .06397 -.0000060 520.000 9.8797 .58293 .03869 .06392 -.0000063 528.000 10.3909 .60380 .04226 .06387 -.0000066 536.000 10.9017 .62403 .04585 .06382 -.0000068 544.000 11.4120 .64364 .04945 .06376 -.0000071 552.000 11.9219 .66265 .05307 .06371 -.0000073 560.000 12.4313 .68109 .05670 .06365 -.0000075 568.000 12.9402 .69899 .06035 .06359 -.0000077 576.000 13.4486 .71636 .06400 .06352 -.0000079 584.000 13.9566 .73324 .06766 .06346 -.0000080 592.000 14.4640 .74963 .07133 .06340 -.0000081 600.000 14.9709 .76555 .07501 .06333 -.0000083 608.000 15.4773 .78103 .07869 .06326 -.0000084 616.000 15.9831 .79608 .08237 .06320 -.0000085 624.000 16.4884 .81072 .08606 .06313 -.0000085 632.000 16.9931 .82496 .08975 .06306 -.0000086 640.000 17.4973 .83882 .09344 .06299 -.0000087 648.000 18.0010 .85231 .09714 .06292 -.0000087 656.000 18.5041 .86545 .10083 .06285 -.0000088 664.000 19.0066 .87824 .10453 .06278 -.0000088 672.000 19.5085 .89070 .10822 .06271 -.0000089

680.000 20.0099 .90285 .1 1 192 .06264 -.0000089 688.000 20.5108 .91468 .1 1562 .06257 -.0000089 696.000 21.01 10 .92622 .1 1931 .06250 -.0000089

103 1

Table 17. (Continued).

Normal Butane I sochore at 250 kg/m-

1 sotherm 1 sochore 1 sochore

Temp. Pressure Z Der i vat i ve Der i vat i ve Curvature K MPa MPa.m3/kg NPa/K MPa/K^

425.087 3.7913 .24940 .00005 .06934 .0121526 432.000 4.2872 .27751 .00258 .07243 .0001 153 440.000 4.8695 .30947 .00588 .07307 .0000587 448.000 5.4557 .34053 .00936 .07345 .0000389 456.000 6.0445 .37066 .01297 .07372 .0000283 464.000 6.6351 .39986 .01668 .07392 .0000213 472.000 7.2270 .42815 .02046 .07407 .0000164 480.000 7.8200 .45556 .02431 .07418 .0000126 488.000 8.4139 .48212 .02820 .07427 .0000096 496.000 9.0083 .50786 .03214 .07434 .0000071 504.000 9.6032 .53280 .03612 .07438 .0000050 512.000 10.1984 .55698 .04012 .07442 .0000032 520.000 10.7938 .58043 .04416 .07444 .0000017

528.000 1 1.3893 .60318 .04822 .07444 .0000004

536.000 1 1 .9849 .62525 .05230 .07444 -.0000007 544.000 12.5804 .64666 .05641 .07443 -.0000018 552.000 13.1758 .66745 .06052 .07442 -.0000027 560.000 13.7710 .68764 .06465 .07439 -.0000035 568.000 14.3660 .70725 .06880 .07436 -.0000042 576.000 14.9608 .72630 .07295 .07432 -.0000048 584.000 15.5552 .74481 .0771 .07428 -.0000054 592.000 16.1493 .76280 .08128 .07424 -.0000059 600.000 16.7430 .78030 .08546 .07419 -.0000064 608.000 17.3363 .79732 .08964 .07414 -.0000068 616.000 17.9292 .81388 .09383 .07408 -.0000072 624.000 18.5216 .82999 .09802 .07402 -.0000075 632.000 19.1 135 .84568 .10221 .07396 -.0000078 640.000 19.7049 .86095 .10641 .07389 -.0000081 648.000 20.2958 .87582 .1 1060 .07383 -.0000084 656.000 20.8862 .89030 .1 1480 .073 7 6 -.0000086

664.000 21 .4760 .90441 . 1 1 900 .07369 -.0000088 672.000 22.0652 .91816 .12320 .07362 -.0000090 680.000 22.6539 .93157 .12740 .07355 -.0000092 688.000 23.2420 .94464 .13159 .07347 -.0000093 696.000 23.8295 .95738 .13579 .07340 -.0000094

104 32 2 871 .

Table 17 ( Cont i nued )

1 Mnrma Ru'f^nG 1 sochorG ai" 300

1 1 1 1^ 1 III 1 sochore 1 sochore pc CM rfi Pr i val" i ve Dsr i vat i ve Curvature 1 c^Mip • Der

I\ MPa MPa . m3 /kn MPa/K

. 20 1 95 • \J\J c.^ J .09168 .00 18610

H H • VJ'J'-/ .2061 .00309 .09299 m\J\J.0011 14521 ^ t.

4 5 1 50 24^54 008 1 5 09 724 -0002997 5 '^nOQ 09907 nOOl 7Q7

44ft nnn o . \jyoj 7 1 721 1 0028 nnn i ?77 A'lfi nnn 6 Q04 5 .^ 5283 .02361 .101 17 .0000975 ^87 HUHAf,A • UUUnnn 7 7 1 67 54 02893 .10186 .0000774

A17 nnn -42 1 32 0"S430 . 1 0242 -0000627

4ftn nnn -454 16 03972 . 1 0288 -000051 5 4Rfi .000 10. 1798 .48609 .0451 .10325 .0000427

AQfi onn 1 1 0071 51712 05068 10^^56 0000"^ 54

^n4 nnn 1 1 ft'^fi7 54 727 n5fi2 nnnn9Q4

s 1 9 nnn 1 2 fififi2 57fi5fi Ofi 1 77 10404 onno?4"^ 5?0 .000 13.501 .60502 .06735 .1 0421 .00001 99

J528-000C\J %\J\J\J 14.3355 .63267 .07295 . 10436 .0000161 5"56.000 15. 1708 .65954 .07856 .10447 .00001 28

544 .000 1 6.0070 .68566 .084 19 . 10456 .0000099 552.000 16.8437 .71 105 .08983 .1 0463 .0000073

560.000 17.6810 .73573 .09548 . 10468 .0000050

568.000 18.5186 .75973 .101 14 . 1 0471 .0000030

576.000 19.3563 .78307 . 10680 . 10473 .0000012

584 .000 20. 1942 .80578 .1 1247 . 1 0473 -.0000004

592.000 2 1 .0320 .82787 .1 1814 . 10472 -.00000 19 600.000 21 .8697 .84936 .12381 .10470 -.0000032

608.000 22.7072 .87028 . 1 2949 . 10467 -.0000044

616.000 23. 5444 .89065 . 1351 . 1 0463 --0000055 - 624 .000 24 .381 .91048 . 1 4084 .10458 0000065

fi^9 nnn 95 2177 Q9C}R0 1 4fi59 1 045^^ - (\C\(\C\(\1A

fi40 noo Q4ftfi2 1 52 19 10447 m\J\J\J\J\J\J L.

648.000 26.8892 .96695 .1 5786 . 1 0440 -.OOOOORQ 656.000 27.7241 .98481 .16353 .10432 -.0000096 664.000 28.5583 1.00222 .16919 .10424 -.0000102 672.000 29.3920 1.01920 .17485 .10416 -.0000107 680.000 30.2249 1.03575 .18050 .10407 -.00001 12 688.000 31.0571 1.05190 .18615 .10398 -.00001 17 696.000 31.8886 1.06764 .19180 .10389 -.0000121

105 5 1 521 1 31

Table 17. (Continued).

Normal Butane 1 sochore at 350 kg/m-

1 sotherm 1 sochore 1 sochor© c pppc 1 1 rp i i i i P.ij 1 "furp Temp • Der vat ve Der vat ve V./ kJ rvaV U 1 Ul ^ MPa MPa . m3/kg M^a/K ^/lPa/1^2

4 1 6. 274 3 .7745 • 1 571 .01512 . 1 3054

H474^ H . VJWVJnnn 4.3018 .20265 .07334

4"57.nnn*+ _^ • vju 5.3921 .24930 .03142 . 1 3749 000765?!

440.000 6.4997 .29505 .03937 . 1 393 .0001961

448.000 7.6200 .33973 .04728 . 14070 .000 1 578 4 5fi 000 8.7501 .38327 .0551 .14179 .0001 778

464.000 9.8881 .42565 .06304 . 14268 9\J\J\).000 1005\\J\J J

472 .000 1 1 .0326 .46686 .0709 .14341 .000083

480.000^ W W • v/W w 12. 1824 .50693 .07878 . 14402 .0000691 488.000 13.3366 .54586 .08664 .14453 .0000576

496.000 14.4946 , 58368 .09451 .14495 .0000480

504.000 1 5.6556 .62043 . 1 0238 .14530 .0000398

51 2.000 16.8192 .65613 . 1 1024 . 14559 .0000328 520.000 17.9849 .69081 .11810 .14583 .0000267

528.000 19.1 523 .72450 . 1 2595 .14602 .0000214 536 .000 20.3211 .75724 .13380 .14617 .0000167

544.000 21 .4909 .78906 . 1 4 1 64 .14628 .0000125 552 .000 22.661 .8 1998 .14947 .1 4637 .0000088

560.000 23.8327 .85004 . 1 5730 . 14643 .0000055 568.000 25.0043 .87927 .1651 .14646 .0000026

576.000 26. 1760 .90768 . 1 7293 . 14647 -.0000001

584 000 27 .3478 .93532 . 18073 . 14646 -.0000074

5Q7.000 28. 51 93 .96221 . 18851 . 14643 -.0000046

600.000 29 .6906 .98837 .19629 . 14639 -.0000065

608.000 30-861 1 .01 383 .20406 . 14633 -.0000083

1 1 6 6 .000 32.0318 1 •.03861w w w 1 .21 181 . 1 4625 -.0000099

W624.000^ " • w W W 33.2015 1 .06274 .2 1956 .14617 -.00001 1 632.000 34.3705 1.08623 .22729 .14607 -.0000126 640.000 35.5386 1.10911 .23501 .14597 -.0000138 648.000 36.7059 1.13140 .24271 .14585 -.0000149 656.000 37.6723 1.15311 ,25040 .14573 -.0000159 664.000 39.0376 1.17427 .25808 .14560 -.0000167 672.000 40.2018 1.19490 .26574 .14546 -.0000176 680.000 41.3650 1.21500 .27339 .14532 -.0000183 688.000 42.5269 1.23461 .28103 .14517 -.0000190 696.000 43.6877 1.25373 .28865 .14502 -.0000196

106 Table 17. (Continued).

Normal Butane I sochore at 400 kg/m^

1 sotherm 1 sochore 1 sochore

Temp. Pressure Z Der i vat i ve Der i vati ve Curvature K (wpa MPa.m3/kg MPaA MPa/K^

402.840 2.6135 . 1 1 338 .04987 .19052 .0004716 408.000 3.6023 .15431 .05801 .19265 .0003636 416.000 5.1540 .21653 .07021 .19513 .0002653 424.000 6.7228 .27710 .08210 .19699 .0002049 432.000 8.3048 .33597 .09378 .19846 .0001630 440.000 9.8973 .39312 .10532 .19963 .0001320 448.000 11.4983 ^ .44856 .1 1676 .20059 .0001078

456.000 13.1062 .50231 . 1 28 1 0 .20137 .0000884 464.000 14.7198 .55443 .13937 .20201 .0000725 472.000 16.3380 .60495 .15057 .20253 .0000591

480.000 17.9601 .65393 . 16172 .20296 .0000477 488.000 19.5852 .70141 .17281 .20330 .0000379 496.000 21 .2127 .74744 .18386 .20357 .0000295 504.000 22.8421 .79208 .19486 .20378 .0000221 512.000 24.4730 .83537 .20581 .20393 .0000155 520.000 26.1048 .87736 .21673 .20403 .0000098 528.000 27.7373 .91810 .22760 .20408 .0000047 536.000 29.3701 .95764 .23844 ^ .20410 .0000001 544.000 31 .0029 .99601 .24924 .20409 -.0000039 552.000 32.6354 1.03326 .26000 .20404 -.0000076 560.000 34.2674 1.06944 .27073 .20397 -.0000108 568.000 35.8988 1.10457 .28142 .20387 -.0000138 576.000 37.5293 1.13870 .29208 .20375 -.0000164 584.000 39.1587 1.17186 .30271 .20361 -.0000188

592.000 40.7869 1 .20410 .31330 .20345 -.0000210 600.000 42.4138 1.23543 .32387 .20327 -.0000229

608.000 44.0392 1 .26590 .33440 .20308 -.0000247 616.000 45.6631 1.29553 .34490 .20288 -.0000263

624.000 47.2852 1 .32435 .35537 .20266 -.0000277 632.000 48.9056 1.35239 .36580 .20243 -.0000290 640.000 50.5241 1.37959 .37621 .20220 -.0000302 648.000 52.1407 1.40625 .38659 .20195 -.0000313 656.000 53.7553 1.43212 .39694 .20170 -.0000322 664.000 55.3679 1.45731 .40726 .20144 -.0000331

672.000 56.9783 1 .48184 .41755 .201 17 -.0000338 680.000 58.5865 1.50574 .42781 .20089 -.0000345

688.000 60.1926 1 .52903 .43804 .20062 -.0000351 696.000 61 .7964 1.55173 .44825 .20033 -.0000357

107 1

Table 17. (Continued).

Normal Butane I sochore at 450 kg/in^

1 sotherm 1 sochore 1 sochore

Temp. Pressure Z Der i vat i ve Der i vat i ve Curvature K MPa MPa-m3/kg MPa/K MPa/K^

38 1 . 922 1.8022 .07331 .12106 .27769 .0002405 384.000 2.3797 .09627 .12558 .27817 .0002239 392.000 4.61 17 .18276 .14270 .27975 .0001731 400.000 6.8547 .26622 .15946 .28097 .0001358 408.000 9.1065 .34674 . 17592 .28194 .0001069

416.000 1 1 .3652 .42442 .19215 .28270 .0000837 424.000 13.6293 .49936 .20819 .28329 .0000646 432.000 15.8975 .57168 .22405 .28374 .0000486 440.000 18.1688 .64148 .23975 .28407 .0000350 448.000 20.4424 .70886 .25532 .28431 .0000233 456.000 22.7175 .77394 .27077 .28445 .0000131 464.000 24.9934 .83679 .28609 .28452 .0000042 472.000 27.2697 .89753 .30132 .28452 -.0000036 480.000 29.5457 .95623 .31644 .28447 -.0000105

488.000 31.8210 1 , 0 1 298 .33146 .28436 -.0000166 496.000 34.0952 1.06788 .34640 .28420 -.0000220 504.000 36.3681 1.12098 .36125 .28401 -.0000269 512.000 38.6392 1.17238 .37602 .28377 -.0000312 520.000 40.9084 1.22213 .39072 .28351 -.0000351 528.000 43. 1753 1.27031 .40533 .28321 -.0000385 536.000 45.4397 1.31698 .41988 .28289 -.0000416 544.000 47.7015 1.36220 .43436 .28255 -.0000444 552.000 49.9605 1.40604 .44877 .28218 -.0000469 560.000 52.2164 1.44853 .4631 .28180 -.0000491 568.000 54.4692 1.48974 .47739 .28140 -.0000511 576.000 56.7187 1.52972 .49161 .28098 -.0000529 584.000 58.9649 1.56852 .50576 .28055 -.0000545 592.000 61 .2076 1.60617 .51986 .28011 -.0000559 600.000 63.4466 1.64273 .53390 .27966 -.0000571 608.000 65.6821 1.67823 .54789 .27920 -.0000583 616.000 67.9138 1.71272 .56182 .27873 -.0000592 624.000 70.1417 1.74623 .57569 .27825 -.0000601

108 . 11

Table 17. ( Cont i nued )

Normal Butane I sochore at 500 kg/m-

1 sotherm 1 sochore 1 sochore

Temp. Pressure Z Der i vat i ve Der i vat i ve Curvature K MPa MPa.m3/kg MPa/K MPa/K^

353,249 1 .0155 .04019 .24622 .40030 .0000067

356.000 2. 1 169 .08314 .25413 .40031 .0000020 360.000 3.7181 .14440 .26554 .40030 -.0000045 364.000 5.3193 .20432 .27686 .40027 -.0000106 368.000 6.9203 .26292 .28810 .40022 -.0000164 372.000 8.5210 .32026 .29925 .40014 -.0000218 376.000 10.1214 .37636 .31033 .40004 -.0000270 380.000 11.7213 .43127 .32134 .39993 -.0000319 384.000 13.3208 .48501 .33227 .39979 -.0000366 388.000 14.9196 .53762 .34315 .39963 -.0000410 392.000 16.5178 .58914 .35396 .39946 -.0000452

396.000 18. 1 153 .63959 .36471 .39927 -.0000492 400.000 19.7120 .68900 .37540 .39907 -.0000529 404.000 21.3078 .73741 .38604 .39885 -.0000565 408.000 22.9027 .78484 .39662 .39862 -.0000599 41 2.000 24.4967 .83131 .40715 .39837 -.0000631 416.000 26.0897 .87685 .41764 .3981 -.0000661 420.000 27.6816 .92150 .42807 .39784 -.0000690 424.000 29.2724 .96526 .43846 .39756 -.0000718

428.000 30.8621 1 .00817 .44880 .39727 -.0000743 432.000 32.4505 1.05024 .45910 .39697 -.0000768 436.000 34.0378 1.09151 .46936 .39665 -.0000791 440.000 35.6237 1.13198 .47958 .39633 -.0000813 444.000 37.2084 1.17168 .48975 .39600 -.0000834 448.000 38.7918 1.21063 .49989 .39567 -.0000854

452.000 40.3737 1 .24886 .50999 .39532 -.0000872 456.000 41.9543 1.28636 .52005 .39497 -.0000890 460.000 43.5335 1.32317 .53007 .39461 -.0000906 464.000 45.1112 1.35931 .54006 .39424 -.0000922 468.000 46.6874 1.39478 .55002 .39387 -.0000937 472.000 48.2621 1.42961 .55994 .39349 -.0000950 476.000 49.8353 1.46380 .56983 .3931 -.0000964 480.000 51.4070 1.49738 .57968 .39272 -.0000976 484.000 52.9771 1.53036 .58951 .39233 -.0000987 488.000 54.5457 1.56276 .59930 .39193 -.0000998 492.000 56. 1126 1.59458 .60906 .39153 -.0001008 496.000 57.6779 1.62585 .61879 .391 13 -.0001018 500.000 59.2416 1.65656 .62849 .39072 -.0001027 504.000 60.8036 1.68675 .63816 .39031 -.0001035 508.000 62.3640 1.71641 .64781 .38989 -.0001043 512.000 63.9228 1.74557 .65742 ,38947 -.0001050 516.000 65.4798 1.77423 .66701 ,38905 -.0001057 520.000 67.0352 1.80240 .67657 ,38863 -.0001063 524.000 68.5888 1.83009 .68610 ,38820 -.0001069 528.000 70.1407 1.85733 .69561 .38777 -.0001074 532.000 71.6910 1.88410 .70509 ,38734 -.0001079

109 1 51 11 1 1 4

Table 17. (Continued),

Normal Butane 1 sochore at 550 kg/m^

1 sotherm 1 sochore 1 sochore

Temp. Pressure Z Der i vat i ve Der i vat i ve Curvature K MPa MPa* m->/Kg MPa/K MPa/K^

316.955 .42 1 .01 690 ,44649 .57026 -.0003 178 320.000 2, 5dd .Uo5oD •4578 .5693 -.0003082

324.000 4,4314 . 1 7384 .47261 .56810 -.0002970 328.000 0.701C "7A 1 C .25959 ,48/32 ,56693 -.0002875 332.000 8.9670 .34329 ,50195 ,55580 -.0002792

335.000 1 1 ,2279 .42474 ,51650 .56470 -.0002720 340.000 13.4846 .50410 ,53096 .56362 -.0002657 344.000 15,7370 .58146 .54535 .55257 -.0002603 348.000 17,9852 .65689 ,55966 .56154 -.0002555 352.000 20,2293 .73046 .57389 .55053 -.000251 356.000 22.4694 .80223 .58805 .55953 -.0002477 360.000 24.7055 ,87227 ,60214 .55854 -.0002444 364.000 25.9378 .94063 .61616 .55757 -.0002416

368.000 29. 1661 1 .00737 ,6301 .55651 -. 0002390

372.000 31 .3907 1 .07255 ,64399 .55566 -.0002357

376.000 33.51 14 1 . 13521 .65781 .55472 -.0002347

380.000 35.8284 1 . 19840 .67156 .55378 -.0002328

384.000 38.0417 1 .25918 .68525 .55285 -.0002312

388.000 40.2513 1 .31858 .59888 .55193 -.0002297

392.000 42.457 1 ,37665 .71244 .55102 -.0002283

396,000 44.5594 1 .43343 .72595 ,5501 -.0002270

400.000 46,8580 1 .48896 .73940 .54920 -.0002258

404.000 49,0530 1 .54327 ,75279 .54830 -.0002247

408.000 51 .2444 1 .59641 ,75513 .54740 -.0002237 412.000 53,4322 1,64841 ,77941 .54651 -,0002228

- 416.000 55,6165 1 .69930 .79254 .54552 -,0002219

420.000 bl ,1912 1 .7491 .80582 .54473 -,0002210 424.000 59,9744 1.79787 .81894 .54385 -.0002202 428.000 62.1480 1.84552 .83202 .54297 -.0002193 432.000 54.3181 1.89238 .84504 .54210 -.0002186 436.000 66.4848 1.93818 ,85802 .54122 -.0002178 440.000 68,6479 1.98305 .87095 .54035 -.0002171 444.000 70.8076 2.02701 .88383 .53949 -.0002163

Normal Butane I sochore at 600 kg/m-^

273.655 .1053 ,00448 .74460 ,80593 -.0008644 276.000 1.9925 ,0841 .75571 ,80394 -.0008386 280.000 5.2016 ,21645 .77460 ,80066 -.0007986 284.000 8.3980 ,34453 .79341 ,79754 -.0007630

288.000 1 1,5821 .45856 .81216 ,79456 -.0007311 292.000 14,7546 .58873 .83082 .79169 -.0007024 296.000 17,9158 .70520 .84940 ,78893 -.0005766 300.000 21.0662 .81815 .86790 .78627 -.0006534 304.000 24.2061 .92773 .88632 .78370 -.0006323 308.000 27.3359 1.03408 .90465 .78121 -.0006131 312.000 30.4559 1.13733 .92290 .77880 -.0005957 316.000 33,5664 1.23762 .94107 .77644 -.0005797 320.000 35,5675 1.33506 .95915 .77416 -.0005652 324.000 39.7597 1.42978 ,97716 .77192 -.0005517 328.000 42.8430 1.52187 ' .99508 .76974 -,0005394 332.000 45.9177 1.61 143 1,01291 .76751 -.0005280

335.000 48.9839 1.69857 1 .03067 .76551 -,0005174 340.000 52.0418 1.78338 1.04835 .76346 -,0005075 344.000 55.0917 1.86594 1.06595 .76145 -.0004985 348.000 58,1335 1.94633 1.08347 .75948 -.0004900 352.000 51,1675 2.02464 1.10091 .75753 -.0004820 356.000 64, 1938 2.10094 1.11327 .75562 -.0004745 360.000 67,2125 2.17529 1,13556 .75374 -.0004675 364.000 70,2237 2.24777 1,15278 .75188 -.0004609

110 1 1

Table 17. (Continued),

Normal Butane I sochore at 650 kg/rn-^

1 sotherm I sochore I sochore

Temp, Pressure Der i vat i ve Der i vat i ve Curvature K MPa MPaTTt3/kg MPa/K MPa/K^

224,71 .0104 .00050 1.16166 13762 -.0019286

226.000 1.4747 .07018 1 . 16929 13515 -.0018906 228,000 3,7413 .17648 1.18115 13143 -.0018345 230.000 6,0005 .28059 1.19300 12781 -.0017816 232.000 8,2526 .38257 1,20484 12430 -.0017316

234.000 10,4978 .48249 1 .21668 12089 -.0016845

236.000 12.7362 .58041 1.22851 I 1756 -.0016399

238.000 14.9681 .67639 1 .24033 11432 -.0015977

240.000 17.1936 .77048 1.25214 I I 1 17 -.0015578 242.000 19,4128 ,86274 1.26394 1. 10809 -.0015199 244.000 21.6260 ,95322 1.27572 1.10509 -.0014811 246.000 23.83 52 1,04197 1.28748 1,10215 -.0014500 248.000 26.0347 1,12904 1.29923 1.09929 -.0014177 250.000 28.2304 1,21447 1.31096 1.09648 -.0013869

252.000 30.4206 1,29830 1.32268 1 .09374 -.0013577 254.000 32.6054 1,38059 1.33437 1,09105 -.0013298 256.000 34.7849 1.46136 1.34604 1.08842 -.0013033

258.000 36.9591 1,54067 1.35770 1 ,08584 -.0012781

260.000 39.1283 1,61855 1.36933 1 ,08331 -.0012539

262.000 41 .2924 1 .69503 1,38094 1,08082 -.0012309 264.000 43.4516 1.77015 1,39253 1,07838 -.0012089

266.000 45,6059 1.84394 1 .40410 1.07598 -.001 1879 268.000 47.7555 1.91645 1,41564 1.07363 -.001 1678 270.000 49.9005 1.98769 1.42716 1.07131 -.001 1485 272.000 52.0408 2.05771 1.43866 1.06903 -.001 1301

274.000 54.1766 2.12652 1 .45013 1.06679 -.001 1 124 276.000 56,3080 2.19416 1,46158 1,06458 -.0010954

278.000 58,4350 2.26067 1 .47300 1.06241 -.0010791 280.000 60.5577 2.32605 1.48441 1,06027 -.0010635

282.000 62.6761 2.39035 1 .49578 1 ,05816 -.0010485

284.000 64.7903 2,45358 1.50713 1 ,05607 -.0010340 286.000 66.9004 2,51577 1.51846 1,05402 -.0010201 288.000 69.0064 2.57694 1.52976 1,05199 -.0010066 290.000 71 .1084 2.63713 1.54103 1,04999 -.0009937

Normal Butane I sochore at 700 kg/m-^

172.361 ,0002 .00001 1 .72229 1 .62029 -.0043399 174.000 2,6501 .15210 1.73404 1.61329 -.0042017

176.000 5.8684 .33299 1.74843 1 ,60505 -.0040433 178.000 9.0705 .50890 1.76287 1,5971 -.0338954

180.000 12.2570 .68004 1.77737 1 .58946 -.0037570

182.000 15.4285 .84660 1 .79191 1.58208 -.0036275

184.000 18.5855 1 .00874 1 .80648 1.57495 -.0035061 186.000 21 .7284 1. 16665 1.82107 1.56805 -.0033923 188.000 24.8578 1.32047 1.83569 1.56137 -,0032853 190.000 27.9741 1,47037 1.85033 1.55490 -,0031847 192.000 31.0776 1,61648 1.86498 1.54863 -.0030901

194.000 34.1687 1 ,75894 1.87964 1 .54254 -.0030009

196.000 37.2478 1,89788 1.89430 1 .53662 -.0029168

198.000 40.3153 2,03343 1 .90897 1.53087 -.0028374

200.000 43.3714 2.16569 1 .92363 1,52527 -.0027624

202.000 46.4165 2.29480 1 .93828 1,51982 -.0026914

204.000 49.4508 2.42084 1 .95293 1,51450 -.0026243

206.000 52.4746 2.54393 1.96757 1 ,50932 -.0025606 208.000 55,4881 2.66416 1.98219 1,50426 -.0025002

210.000 58.4917 2.78162 1 .99680 1,49931 -.0024429 212.000 61.4855 2,89641 2.01139 1,49448 -.0023884

214.000 64.4697 3.00861 2.02596 1 ,48976 -.0023366 216.000 67.4446 3.11829 2.04051 1,48514 -.0022873 218.000 70.4103 3.22555 2.05504 1.48061 -.0022403

111 21 61 31 51 1

Table 17. (Continued).

Normal Butane Isochore at 735.272 kg/m-

1 sotherm 1 sochore 1 sochore

Temp. Pressure Z Der i vat i ve Der i vat 1 ve Curvature K MPa MPa.m3/kg MPa/K MPa/K^

134.860 .0000 .00000 2.23494 2. 1 1009 -.0082374 136.000 2.4002 .16780 2.24373 2. 10083 -.0080029 137.000 4.4971 .31209 2.25150 2.09293 -.0078062 138.000 6.5861 .45376 2.25932 2.08522 -.00761 75 139.000 8.6676 .59286 2.26720 2.07759 -.0074365 140.000 10.74 16 .72948 2.27513 2.07034 -.0072627 141. 000 12.8083 .86367 2.28310 2.06316 -.0070958 142.000 14.8679 .99549 2.291 12 2.0551 -.00693 54

143.000 16.9207 1 . 12500 2.29918 2.04929 -.0067813

144.000 18.9666 1 .25228 2.30727 2.04258 -.0066332

145.000 2 1 .0059 1 .37736 2.31540 2.03602 -.0064907

146.000 23.0387 1 .50030 2.32356 2.02960 -.0063535

14 7.000 25.0651 1 . 62 1 1 2.33175 2.02331 -.0062716

148.000 27.0853 1 .73999 2.33998 2.01715 -.006094 5

149.000 29.0995 1 .85683 2.34823 2.01 1 12 -.00 59770

1 50.000 31 . 1075 1 .971 74 2.35651 2.0052 -. 0058 540

1 51.000 33. 1 099 2.08475 2.36481 1 .9994 -.0057403

1 52.000 35. 1065 2. 19592 2.373 1 1 .99373 -. 0056306

1 53.000 37.0974 2.30529 2.38147 1 .988 1 -.0055248

1 54.000 39 .0828 2.41290 2. 38983 1 .98268 -.0054727

1 1 t ^55.000^ 9 \J \J\J 4 .0628 2.51878 2.39821 1 .97730 -.005324

1 56.000 43. 0375 2.62298 7.40660 1 .97203 -.0057 789

1 57.000 4" ^95.0069\J\J\J7 2.72554 2.4 1 501 1 .96685 -.0051 370

1 Sft - 1 9 \J\J\J000 46. 97 1 2.82549 1 .961 75 0050481

1 59.000 48.9304 2.92587 2.43136 1 .95675 -.0049677

160.0001 \J\J 9 \J\J\J 50.8847 3.0237 2.44030 1 .951 83 -.0048791

161. 000 52.834 3. 12005 2.44876 1 .94699 -.0047987 162.000 54.7787 3.21492 2.45722 1.94223 -.0047209 163.000 56.7186 3.30835 2.46569 1.93755 -.0046456 164.000 58.6538 3.40037 2.47416 1.93294 -.0045727 165.000 60.5845 3.49101 2.48265 1.92840 -.0045021 166.000 62.5107 3.58030 2.491 13 1.92393 -.0044336 167.000 64.4324 3.66827 2.49962 1.91953 -.0043673 168.000 66.3498 3.75494 2.50812 1.91520 -.0043030

169.000 68.2628 3.84035 2.51561 1 .91093 -.0042406 170.000 70. 1716 3.92451 2.5251 1.90672 -.0041801

112 9 1 1 1 531

Table 18. Calculated P( p) isotherms of normal butane.

Normal Butane Isotherm at 140 K

1 sotherm 1 sochore 1 sochore

Dens i ty Pressure z Der i vat 1 ve Der i vat i ve Curvature kg/m-5 MPa MPa •m3/kg MPa/K MPa/K^

.00 .0000 .99999 .02003 .00000 -.0000000

730.42 .0000 .00000 2. 15683 2.03252 -.0075018 730.62 .4335 .02962 2. 16164 2.03406 -.0074912 731 .25 1.7892 . 12217 2. 17666 2.03886 -.0074536 731 .88 3.1543 .21521 2.19176 2.04369 -.0074266 732.50 4.5290 ' .30874 2.20693 2.04854 -.0073952 733.12 5.9131 .40274 2.22217 2.05341 -.0073643 733.75 7.3067 .49724 2.23749 2.05831 -.0073341 734.38 8.7099 .59223 2.25289 2.06323 -.0073044 735.00 10.1228 .68771 2.26336 2.06818 -.0072752

735.63 1 1.5453 .78369 2.28391 2.07315 -.0072466 736.25 12.9777 .88017 2.29954 2.07814 -.0072185 736.87 14.4198 .97715 2.31524 2.08316 -.0071910 737.50 15.8718 1.07463 2.33102 2.08820 -.0071641 738.12 17.3337 1.17261 2.34688 2.09327 -.0071376

738.75 18.8053 1 .27109 2.36282 2.09836 -.0071 1 17 739.38 20.2871 1.37009 2.37883 2.10347 -.0070864 740.00 21.7789 1.46960 2.39493 2.10860 -.0070615

740.63 23.2808 1.56961 2.41 1 10 2.1 1376 -.0070372

741 .25 24.7928 1 .67015 2.42736 2. 1 1894 -.0070134

741 .87 26.3150 1 .771 19 2.44369 2.12414 -.0069901

742.50 27.8474 1 .87276 2.4601 1 2. 12937 -.0069673

743. 13 29.3901 1 .97485 2.47660 2. 13461 -.0069450 743.75 30.9432 2.07746 2.49318 2. 13988 -.0069232

Norma 1 1Butane 1 sotherm at 150 K

.00 .0000 .99997 .02146 .00000 -.0000000

721 .01 .0000 .00000 2.01286 1 .89224 -.006291

721 .25 .4770 .03082 2.01827 1 .89403 -.0062820

722.50 3.01 78 . 19466 2.04699 1 .90352 -.0062354

723.75 5.5946 .36026 2.07598 1 .91309 -.0061 905

725.00 8.2078 .52762 2. 10524 1 .92275 -.0061474

726.25 1 0.8578 .69677 2. 13479 1 .93249 -.0061059

727.50 13.5449 .8677 2. 16461 1 .94232 -.0060661

728.75 1 6.2695 1 .04046 2. 19472 1 .95222 -.0060779

730.00 1 9 . 03 1 1 .21503 2.2251 1 .9622 00599 1

731 .25 21 .8324 1 .39144 2.25580 1 .97228 -.0059563

732.50 24.6716 1 .56971 2.28677 1 .98242 -.0059228

733.75 27.5495 1 .74983 2.3 1803 1 .99265 -.0058909

735.00 30.4667 1 .93183 2.34959 2.00296 -.0058605

736.25 33.4236 2. 1 1 572 2.38145 2.01334 -.005831 737.50 36.4205 2.301 52 2.41361 2.02379 -.0058041 738.75 39.4577 2.48923 2.44607 2.03433 -.0057781 740.00 42.5357 2.67888 2.47885 2.04494 -.0057535 741.25 45.6549 2.87047 2.51 193 2.05562 -.0057304 742.50 48.8157 3.06403 2.54533 2.06638 -.0057086 743.75 52.0184 3.25957 2.57904 2.07721 -.0056883 745.00 55.2634 3.45710 2.61308 2.0881 -.0056692 746.25 58.5512 3.65664 2.64744 2.09908 -.0056516 747.50 61.8822 3.85820 2.68212 2.11012 -.0056352 748.75 65.2567 4.06180 2.71714 2.12123 -.0056202 750.00 68.6751 4.26745 2.75249 2.13241 -.0056064

113 1 1

Table 18. (Continued).

Normal Butane Isotherm at 160 K

Isotherm 1 sochore 1 sochore

Dens i ty Pressure Z Derivative Der i vat i ve Curvature kg/m3 MPa MPa.m3/kg MPa/l< MPa/K2

.00 .0000 .99990 .02288 .00000 -.0000000

71 1 .62 .0000 .00000 1.87808 1.76421 -.00531 12

712.50 1 .6660 .10216 1.89736 1.77075 -.0052872 713.75 4.0549 .24822 1.92488 1.78008 -.0052543

715.00 6.4783 .39587 1 .95266 1,78948 -.0052228

716.25 8.9366 .54514 1 .98069 1,79895 -.0051925

717.50 1 1.4301 .69603 2.00897 1 ,80850 -.0051635 718.75 13.9592 .84856 2.03752 1,81812 -.0051358 720.00 16.5240 1.00273 2.06633 1,82781 -.0051093 721.25 19. 1251 1.15856 2.09540 1,83757 -.0050841 722.50 21.7626 1.31606 2.12474 1,84741 -.0050600 723.75 24.4370 1.47524 2.15434 1,85731 -.0050371 725.00 27.1486 1.6361 2.18422 1,86728 -.0050154 726.25 29.8977 1.79868 2.21437 1,87733 -.0049948 727.50 32.6847 1.96297 2,24479 1,88744 -.0049753 728.75 35.5098 2.12898 2.27550 1.89762 -.0049570 730.00 38.3735 2.29673 2.30648 1.90787 -.0049398 731.25 41 .2761 2.46624 2.33774 1.91818 -.0049237

732.50 44.2181 2.63751 2,36930 1 .92857 -.0049086 733.75 47. 1995 2.81055 2.401 13 1.93901 -.0048947

735.00 50.2210 2.98538 2.43326 1 .94953 -.0048817

736,25 53.2828 3. 16201 2.46568 1 .9601 1 -.0048699 737.50 56.3854 3.34046 2.49840 1.97075 -.0048590

738.75 59.5289 3.52072 2.55142 1 .98146 -.0048492

740.00 62.7140 3.70283 2.56474 1 .99223 -.0048404 741 .25 65.9409 3.88679 2.59836 2.00306 -.0043325 742.50 69.2100 4.07262 2.63230 2.01395 -.0048257

Normal Butane 1 sotherm at 180 K

.01 .0003 .99937 ,02572 .00000 -.0000000

692.81 .0003 .00002 1,63122 1.53821 -.0038429 693.75 1.5495 .08674 1,64998 1.54483 -.0038301 695.00 3.6276 .20271 1,67501 1.55364 -.0038139 696.25 5.7371 .32002 1,70026 1.56250 -.0037986 697.50 7.8783 .43867 1,72574 1.57143 -.0037840

698.75 10.0515 ,55867 1,75144 1 .58042 -.0037701 700.00 12.2570 .68004 1,77 73/ 1.58946 -.0037570 701.25 14.4950 ,80278 1,80353 1.59856 -.0037447

702.50 16.7659 .92689 1 ,82992 1.60772 -.0037331 703.75 19.0699 1.05240 1,85654 1.61694 -.0037222

705.00 21 .4074 1.17930 1 ,88340 1.62621 -.0037120 706.25 23.7785 1.30760 1,91049 1.63555 -.0037025

707.50 26.1837 1,43732 1 ,93782 1.64493 -.0036937

708.75 28.6232 1,56846 1 ,96538 1.65438 -.0036856

710.00 31.0972 1,70103 1 ,99319 1 ,66388 -.0036781 71 1.25 33.6062 1,83504 2,02124 1,67344 -.0036714 712.50 36.1504 1,97051 2,04954 1,68305 -.0036653

713.75 38 . 7302 2, 10743 2,07808 1,69272 -.0036598 715.00 41 .3457 2,24581 2,10686 1,70244 -.0036550 716.25 43.9974 2,38568 2.13590 1,71222 -.0036508 717.50 46.6856 2,52703 2. 16519 1,72206 -.0036473 718.75 49.4105 2,66987 2.19473 1.73195 -.0036444

720.00 52.1725 2,81422 2.22453 1 .74189 -.0036421 721.25 54.9720 2,96009 2.25459 1.75188 -.0036404

722.50 57.8091 3, 10747 2.28491 1 .76194 -.0036394 723.75 60.6843 3,25640 2.31548 1.77204 -.0036389 725.00 63.5979 3,40686 2.34633 1.78220 -.0036391

726.25 66.5503 3,55887 2.37743 1 .79241 -.0036398 727.50 69.5416 3,71245 2.40881 1.80267 -.003641

114 Table 18. (Continued).

Normal Butane Isotherm at 200 K

1 sotherm 1 sochore 1 sochore

Density Pressure Z Der i vat i ve Der 1 vat 1 ve Curvature kg/m3 MPa MPa-m3/kg MPa/K MPa/K^

.07 .0019 .99751 .02847 .00001 -.0000000

673.85 .0019 .00010 1.40894 1.34406 -.0028162 675.00 1.6332 .08457 1.42965 1.35158 -.0028097 676.25 3.4345 .17752 1.45235 1.35981 -.0028031 677.50 5.2642 .27159 1.47527 1.36808 -.0027970 678.75 7.1227 ^ .36680 1.49838 1.37641 -.0027914 680.00 9.0102 .46315 1.52170 1.38478 -.0027863 681.25 10.9271 .56065 1.54522 1.39320 -.0027816 682.50 12.8734 .65930 1.56895 1.40167 -.0027773 683.75 14.8495 .75911 1.59289 1.41019 -.0027735 685.00 16.8557 .66010 1.61704 1.41875 -.0027702 686.25 18.8922 .96226 1.64140 1.42736 -.0027672

687.50 20.9593 1.06560 1 .66597 1.43603 -.0027647 688.75 23.0572 1.17014 1.69076 1.44474 -.0027627 690.00 25.1863 1.27587 1.71576 1.45349 -.0027610 691.25 27.3467 1.38281 1.74097 1.46230 -.0027598 692.50 29.5388 1.49096 1.76640 1.471 15 -.0027589 693.75 31.7628 1.60032 1.79205 1.48005 -.0027585 695.00 34.0190 1.71092 1.81792 1.48900 -.0027585 696.25 36.3077 1.82274 1.84401 1.49800 -.0027589 697.50 38.6292 1.93581 1.87033 1.50704 -.0027597 698.75 40.9836 2.05012 1.89686 1.51613 -.0027608

700.00 43.3714 2.16569 1.92363 1 .52527 -.0027624 701.25 45.7928 2.28253 1.95062 1.53445 -.0027643 702.50 48.2481 2.40063 1.97783 1.54369 -.0027667 703.75 50.7375 2.52001 2.00528 1.55297 -.0027694 705.00 53.2614 2.64067 2.03296 1.56229 -.0027725 706.25 55.8200 2.76263 2.06087 1.57167 -.0027759 707.50 58.4136 2.88589 2.08902 1.58108 -.0027798 708.75 61 .0426 3.01045 2.1 1740 1.59055 -.0027840 710.00 63.7072 3.13633 2. 14602 1.60006 -.0027886 71 1.25 66.4078 3.26353 2.17488 1.60962 -.0027936 712.50 69.1445 3.39207 2.20398 1.61923 -.0027989 713.75 71 .9178 3.52194 2.23332 1.62888 -.0028046

115 1 1 7

Table 18. (Continued).

Normal Butane Isotherm at 220 K

1 sotherm Isochore 1 sochore

Density Pressure Z Derivative Der i vat ive Curvature kg/m-J MPa MPa •m-J/kg MPa/K MPa/K^

.25 .0078 .99302 .03105 .00004 -.0000000

654.60 .0078 .00038 1 .20671 1. 174 55 -.0020734

655.00 .4948 .02400 1.21 322 1 . 1 7698 -.0020729

656.25 2.0240 .09800 1 .23355 1 . 18457 -. 002071

657. 50 3. 5788 . 1 7296 1 .25406 1 . 1 9220 -.0020708

658.75 5. 1 593 .24887 1 .27477 1 .19987 -.0020702

660.00 6.7658 .32574 1 .29566 1 .20758 -.0020699

661 .25 8.3985 .403 59 1.31673 1 .21533 -,0020699

662.50 10.0577 .48240 1 .33800 1 .22312 -.0020701

663.75 1 1 .7436 .56221 1 .35946 1 .23095 -.0020707

665.00 13.4564 .64299 1 .381 1 1 .23883 -.0020715

666.25 15. 1965 .72478 1 .40296 1 .24674 -.0020726

667.50 16.9639 .80756 1 .42499 1 .25470 -.0020739

668.75 18.7590 .89134 1 .44723 1 .26270 -.0020755

670.00 20.5821 .97614 1 .46965 1 .27074 -.0020774

671 .25 22.4333 1 .06196 1 .49228 1 .27882 -.0020795

672.50 24.3129 1 . 14880 1.51510 1 .28694 -.0020818

673.75 26.221 1 1 .23666 1.53812 1.2951 -.0020845 675.00 28.1583 1.32556 1.56134 1.30331 -.0020873

676.25 30. 1246 1 .4 1551 1.58477 1.31 156 -.0020905

677.50 32. 1203 1.50650 1.60839 1 .31985 -.0020938

678.75 34. 1456 1.59854 1 .63222 1 .32818 -.0020975

680.00 36.2009 1 .69165 1.65625 1 .33655 -.0021013

681 .25 38.2863 1 .78581 1 .68049 1 .34497 -.0021054

682.50 40.4022 1 .88105 1 .70494 1 .35342 -.0021098

683.75 42.5488 1 .97737 1 .72959 1 .36192 -.0021 144

685.00 44.7263 2.07478 1 .75445 1 .37046 -.0021 192

686.25 46.9350 2. 17327 1 .77952 1.37904 -.0021243

687.50 49. 1752 2.27286 1 .80481 1 .38766 -.0021296

688.75 51 .4471 2.37355 1 .83030 1.39633 -.0021351 690.00 53.7510 2.47535 1.85601 1.40503 -.0021409 691.25 56.0872 2.57827 1.88194 1.41378 -.0021469 692.50 58.4560 2.68230 1.90808 1.42257 -.0021531 693.75 60.8575 2.78747 1.93444 1.43140 -.0021596 695.00 63.2921 2.89377 1.96102 1.44027 -.0021663 696.25 65.7601 3.00121 1.98781 1.44918 -.0021733 697.50 68.2618 3.10980 2.01483 1.45814 -.0021805 698.75 70.7973 3.21954 2.04207 1.46714 -.0021879

116 71 95 011 8

Table 18. (Continued).

Normal Butane Isotherm at 240 K

1 sotherm 1 sochore 1 sochore

Dens i ty Pressure Z Der i ydt i ve Der i vat i ve Curvature kg/m-5 MPa MPa •rrP/kg MPa/K MPa/K^

.71 .0241 .98456 .03532 .00010 -.0000000

634.87 .024 .001 10 1 .02168 1 .02453 -.001 5203

635.00 . 1 576 .00723 1 .02356 1 .02526 -.00 1 5205

637. 50 2.7618 . 1261 1 .05990 1 .03922 -.001 5250

640.00 5.4577 .24839 1 .09693 1 .05332 -.001 5302

642.50 8.2471 .37388 1 . 13467 1 .06757 -.001 5361

645.00 1 1.1317 .50270 1 . 1 731 1 .08 196 -.00 15427

647.50 14. 1 132 .63489 1 .21226 1 .09649 -.001 5499

650.00 17. 1936 .77048 1 .25214 1.11117 -.0015578

652.50 20.3745 .90953 1 .29274 1 . 12600 -. 001 5663

655.00 23.6578 1 .05207 1 .33409 1 .14097 -.0015754

657.50 27.0455 1 . 1981 1 .37617 1 .15609 -.0015851

660.00 30.5394 1 .34780 1.41901 1 . 1 7135 -.0015954 662.50 34.1412 1.50108 1.46260 1.18677 -.0016063

665.00 37.8530 1 .65802 1 .50696 1 .20233 -.0016178

667.50 41.6767 1 .81866 1.55210 1.21805 -.0016299

670.00 45.6142 1 .98306 1.59802 1 .23391 -.0016426 672.50 49.6674 2.15124 1.64472 1.24993 -.0016558

675.00 53.8385 2,32327 1 .69223 1 .26609 -.0016697 677.50 58.1292 2.49917 1.74054 1.28241 -.0016842 680.00 62.5418 2.67900 1.78967 1.29887 -.0016992

682.50 67.0783 2.86279 1 .83962 1.31549 -.0017149 - 685.00 71,7406 3.05060 1 .89040 1 .33226 .0017312

1 Norma I3utane Isotherm at 260 K

1 .69 .0610 .97089 .0351 .00025 -.0000001

614.46 .0610 .00267 .85208 .8901 -.0010979 61 5.00 .5249 .02295 .85896 .89293 -.0010998 617.50 2.7122 .11810 .89 105 .90569 -.001 1084

620.00 4.9806 .21 599 .92379 .91858 -.001 1 174 622.50 7.331 .31668 .95717 .931 59 -.001 1268 625.00 9.7671 .42018 .99122 .94473 -.001 1366

627 . 50 12.2883 .52654 1 .02592 .95799 -.001 1467

630.00 14.8972 .63579 1 .06130 .971 39 -.001 1572

632.50 17.5954 .74798 1 .09736 .98491 -.001 1681

635.00 20.3846 .86313 1 . 1341 .99857 -.001 1793

637. 50 23.2665 .98 1 29 1 . 1 7 1 53 1 .01 236 -.001 1909

640.00 26.2429 1 . 10250 1 .20967 1 .02628 -.0012028

642.50 29.31 54 1 .22679 1 .24851 1 .04033 -.001 2150

645.00 32.4860 1 .35421 1 .28806 1 .05452 -.0012277

647. 50 35.7563 1 .48478 1 .32833 1 .06885 -.001 2406 650.00 39.1283 1.61855 1.36933 1.08331 -.0012539

652.50 42.6036 1 .75555 1.41 106 1.09790 -.0012676

655.00 46.1841 1.89583 1.45354 1 . 1 1 263 -.0012817 657.50 49.8719 2.03943 1.49676 1.12751 -.0012961 660.00 53.6686 2.18637 1.54074 1.14251 -.0013109 662.50 57.5762 2.33671 1.58549 1.15766 -.0013261 665.00 61.5967 2.49049 1.63100 1.17295 -.0013416 667.50 65.7319 2.64773 1.67729 1.18838 -.0013575 670.00 69.9838 2.80848 1,72437 1.20395 -.0013739

117 1 1

Table 18. (Continued).

Normal Butane Isotherm at 280 K

Isotherm 1 sochore 1 sochore

Dens ity Pressure Z Der i vat i ve Der i vat i ve Curvature kg/m-J MPa MPa •m3/kg MPa/K MPa/K^

2.50 .0965 .96392 .03728 .00037 -.0000002 3.49 .1330 .95069 .03620 .00053 -.0000004

593. 1 . 1330 .00560 .69689 .76860 -.0007679 595.00 1.4717 .06175 .71 778 .77732 -.0007762 597.50 3.301 . 13794 .74589 .78894 -.0007873

600.00 5.2016 .2 1 64 5 .77460 .80066 -.0007986 602.50 7. 1746 .29731 .80390 .81250 -.0008101 605.00 9.2217 .38055 .83382 .82446 -.0008218

607.50 1 1 .3442 .46622 .86435 .83653 -.0008336 610.00 13.5440 .55434 .89551 .84872 -.0008456

612.50 1 5.8223 .64495 .92730 .86102 -.0008577 615.00 18. 1810 .73808 .95972 .87344 -.0008701 617.50 20.6215 .83377 .99279 .88598 -.0008826

620.00 23. 1455 .93205 1 .02651 .89864 -.0008953

622.50 25.7546 1 .03295 1 .06089 .91 143 -.0009082

625.00 28.4505 1. 13651 1 .09593 .92433 -.00092 12

627.50 31 .2348 1 .24276 1 . 1 3 1 64 .93736 -.0009345

630.00 34 . 1 092 1 .351 75 1 . 16803 .95051 -.0009480

632.50 37.0755 1 .46349 1.20511 .96378 -.0009616

635.00 40. 1354 1 . 57804 1 .24288 .97718 -.0009755 637.50 43.2905 1.69542 1.28135 .99071 -.0009896

640.00 46.5427 1 .81566 1.32052 1.00436 -.0010039 642.50 49.8937 1.93881 1.36041 1.01815 -.0010185 645.00 53.3453 2.06491 1.40101 1.03206 -.0010332 647.50 56.8994 2.19397 1.44234 1.04610 -.0010482 650.00 60.5577 2.32605 1.48441 1.06027 -.0010635 652.50 64.3220 2.461 18 1.52721 1.07457 -.0010790 655.00 68. 1943 2.59938 1.57076 1.08900 -.0010948

118 1 1

Table 18. (Continued).

Normal Butane Isotherm at 298.150 K

1 sotherm Isochore 1 sochore

Dens i ty Pressure Z Der 1 vat 1 ve Der i vat i ve Curvature kg/m3 MPa MPa.m3/kg MPa A MPa/K^

2.50 .1032 .96802 .04006 .00037 -.0000001 5.00 .2003 .93919 .03757 .00076 -.0000007 6. 18 .2438 .92534 .03634 .00096 -.0000012

572.65 .2438 .00998 .56807 .66742 -.0005261 575.00 1.6070 .06553 .59049 .67726 -.0005378

577.50 5.1136 . 1 264 .61484 .68781 -.0005502 580.00 4.6817 .18926 .63973 .69847 -.0005627 582.50 6.3127 .25410 .66517 .70923 -.0005752 585.00 8.0080 .32096 .691 17 .72009 -.0005877 587.50 9.7690 .38988 .71774 .73105 -.0006002 590.00 11.5972 .46088 .74489 .74213 -.0006128 592.50 13.4939 .53400 .77261 .75330 -.0006255 595.00 15.4608 .60926 .80093 .76459 -.0006382 597.50 17.4991 .68670 .82984 .77599 -.0006510 600.00 19.6105 .76634 .85935 .78749 -.0006638 602.50 21.7964 .84823 .88948 .7991 -.0006768 605.00 24.0584 .93239 .92022 .81084 -.0006898 607.50 26.3980 1.01885 .95158 .82268 -.0007029 610.00 28.8168 1.10765 .98358 .83463 -.0007160 612.50 31.3164 1.19882 1.01621 .84670 -.0007293 615.00 33.8984 1.29238 1.04949 .85889 -.0007428 617.50 36.5644 1.38838 1.08341 .871 19 -.0007563 620.00 39.3160 1.48684 1.1 1800 .88361 -.0007699 622.50 42.1549 1.58780 1.15325 .89615 -.0007837 625.00 45.0828 1.69129 1.18917 .90881 -.0007976 627.50 48.1013 1.79734 1.22576 .92158 -.00081 17 630.00 51.2122 1.90598 1.26304 .93448 -.0008259 632.50 54.4171 2.01726 1.30102 .94750 -.0008402 635.00 57.7178 2.13119 1.33969 .96064 -.0008547 637.50 61.1 161 2.24782 1.37906 .97391 -.0008694 640.00 64.6137 2.36718 1.41915 .98729 -.0008843 642.50 68.2125 2.48930 1.45995 1.00081 -.0008993 645.00 71.9141 2,61421 1.50148 1.01444 -.0009145

119 11 DC11

Table 18. (Continued).

Normal Butane Isotherm at 300 K

1 sotherm 1 sochore 1 sochore

Density Pressure Z Der ivat 1 ve Der Ivat Ive Curvature kg/m^ MPa MPa 'm^/kg MPa/K MPa/K^

2.50 .1039 .96839 .04034 .00037 -.0000001 5.00 .201 7 .93998 .03788 .00076 -.0000006 6.52 .2582 .92233 .03630 .00102 -.0000014

570.49 .2582 .01055 .55557 .65753 -.0005039

572.50 1 .3934 .05671 .57438 .66585 -.0005140

575.00 2.8591 . 1 1 587 .59826 .67628 -.0005265 - 577.50 4.3851 . 17694 .62268 .68681 .0005391 AAA C C 1 ^ 580.00 5.9729 .23997 .54764 .69744 -•000551 AA A C y1 O 582.50 7.6238 .30498 .673 16 .70817 AAA C*?^: Q 585.00 9.3392 .37201 .69924 .71 901 U0U5 / DO A A A CQ A>t 587.50 1 1 . 1205 .44 108 .72589 .72995 AAA^r AO 1 590.00 12.9691 .51 222 .7531 .74 1 00 UUUoUZ AAA C 1 >1 592.50 14.8865 .58547 .78092 .75216 Q AAA^O 595.00 16.8742 .66085 .8093 .76342 A A A^ Vl A >l 597.50 18.9336 .73840 .83830 .77479 -.0005404 AAA z; CZ A 600.00 21 .0662 .81815 .86790 .78627 -.0006534 AA Ail CdL'Z 602.50 23.2736 .90013 .8981 .79787 -.0006553 A AAC TAyl 605.00 25.5572 .98437 .92893 .80957 -.0005794 AAA£ AO 607.50 27.9187 1 .07090 .96038 . 82 1 39 -.0005925 A AAT A C O 610.00 30.3597 1 . 1 5976 .99246 .83332 -.0007058 AAA T 1 A 612.50 32.8816 1.25097 1 .02517 .84536 -.00071 91

615.00 35.4861 1.34457 1 .05854 .85752 -.0007325 617.50 38. 1748 1.44059 1.09255 .86980 -.0007461 A AA T C A O 620.00 40.9494 1.53906 1.12722 .88220 -.0007598 AAA"7"7Ttf^ / 622.50 43.81 15 1 .64002 1 . 16256 .89471 -.UUU /3d 625.00 46.7627 1.74349 1.19857 .90734 -.0007875 627.50 49.8048 1.84952 1.23525 .92009 -.0008016

630.00 52.9395 1.95812 1 .27262 .93296 -.0008158

632.50 56.1685 2.06935 1 .31069 .94595 -.0008302 635.00 59.4936 2.18322 1.34945 .95907 -.0008447 637.50 62.9164 2.29977 1.38891 .97231 -.0008594 640.00 66.4387 2.41903 1.42909 .98567 -.0008743

642.50 70.0624 2.54104 1 .46998 .99915 -.0008893

120 1 0 4 51

Table 18. (Continued).

Normal Butane Isotherm at 320 K

1 sotherm 1 sochore 1 sochore Dens ity Pressure Z Derivative Der ivative Curvature kg/m-' MPa f^a •m3/kg MPa/K MPa/K^

2.50 .1112 .97194 .04336 .00037 -.0000001 5.00 .2168 .94743 .041 12 .00075 -.0000004

7.50 .3168 . 92270 ,03881 .001 17 -.000001 10.00 .41 08 .89751 .03643 .001 62 -.0000025

1 1 .30 .4575 .884 18 .03516 .00187 - .0000035

546. 16 .4575 .01830 .42794 .55518 -.0002873

547.50 1 .0367 . 04 1 36 .43823 .56008 -.0002945

550.00 2. 1 566 .08566 .45781 .5693 1 -.0003082 "Z "Z 1 1 "Z 1 CO 552. 50 3.3261 . 1 3 1 52 .47788 . 57863 -.0003z 1

555.00 4 . 54 64 .17896 .49843 .58804 -.0003348 557. 50 5.8187 ' .22801 .51 946 .59754 -.0003479

560.00 7. 1442 .27870 .54 1 00 .5071 -.0003509

562. 50 8.5241 .33 1 05 .56304 .61683 -.0003739 565.00 9.9598 .3851 .58560 .62661 -.0003867

567.50 1 1 .4525 .44087 .60867 .63649 -.0003995 570.00 13.0036 .49838 .63227 .64647 -.0004123

572.50 1 4 . 6 1 43 . 55767 .65641 .65654 -.0004250 575.00 16.2861 .61 876 .68108 .66672 -.0004377 577.50 18.0202 .68 168 .70631 .67700 -.0004 504 580.00 19.8181 .74646 .73209 .68737 -.000463 582.50 21 .681 .81312 .75843 .69785 -.0004757 585.00 23.6107 .88171 .78534 .70844 -.0004884 587.50 25.6083 .95224 .81283 .71912 -.000501

590.00 27.6753 1 .02474 .84090 .72992 -.00051 39

592.50 29.8133 1 .09924 .86956 .74081 -.0005266 595.00 32.0236 1. 17578 .89882 .75182 -.0005394

597.50 34.3079 1 .25438 .92868 .76293 -.0005523

600.00 36.6675 1 .33506 .95915 .77416 -.0005552

602.50 39. 1042 1 .41787 .99025 .78549 -.0005781

605.00 41 .6193 1 . 50283 1 .02196 .79693 -.000591

607.50 44.2145 1 .58997 1.05431 .80848 -.0006042 610.00 46.8914 1.67932 1.08729 .82015 -.0006174 612.50 49.6515 1.77092 1.12092 .83193 -.0006307 615.00 52.4965 1.86478 1.15521 .84382 -.0006441 617.50 55.4281 1.96094 1.19014 .85582 -.0006575 620.00 58.4478 2.05944 1.22575 .86794 -.000671 622.50 61 .5574 2.16029 1.26202 .88018 -.0006847 625.00 64.7585 2.26354 1.29898 .89253 -.0006985 627.50 68.0528 2.36921 1.33661 .90500 -.0007124 630.00 71 .4421 2.47734 1.37494 .91759 -.0007265

121 D 1

Table 18. (Continued).

Normal Butane Isotherm at 340 K

1 sotherm 1 sochore 1 sochore

Dens ity Pressure Z Der i vat i ve Der i vat i ve Curvature kg/m3 MPa MPaTti3/k

5.00 .2318 .95339 .04429 .00075 -.0000002 10.00 .4428 .91037 .04005 .00158 -.0000014 15.00 .6322 .86662 .03572 .00252 -.0000044 18.56 .7538 .83513 .03260 .00328 -.0000088

519.47 .7538 .02984 .31403 .46003 -.0001035 520.00 .9207 .03641 .31724 .46172 -.0001066 525.00 2.5845 .10122 .34853 .47787 -.0001355 530.00 4.4088 .17104 .38148 .49434 -.0001632 535.00 6.4022 .24605 .41614 .51114 -.0001898 540.00 8.5732 .32643 .45257 .52828 -.0002157 545.00 10.9309 .41238 .49082 .54577 -.0002409 550.00 13.4846 .50410 .53096 .56362 -.0002657 555.00 16.2438 .60178 .57304 .58184 -.0002902 560.00 19.2183 .70562 .61712 .60043 -.0003145 565.00 22.4184 .81583 .66325 .61940 -.0003385 570.00 25.8543 .93261 .71 148 .63877 -.0003625 575.00 29.5368 1.05618 .76189 .65852 -.0003864 580.00 33.4769 1.18675 .81451 .67868 -.0004104 585.00 37.6858 1.32454 .86942 .69925 -.0004345 son no 1 &Mlfi Hi. « \ t vU 1 . HO V / . / ^\J^.J — • UUU'f JO 1 595.00 46.9563 1.62263 .98628 .74163 -.0004830 600.00 52.0418 1.78338 1.04835 .76346 -.0005076 605.00 57.4439 1.95223 1.1 1291 .78573 -.0005325 610.00 63.1752 2.12941 1.18002 .80843 -.0005577 615.00 69.2485 2.31514 1.24974 .83158 -.0005832

Normal Butane 1 sotherm at 360 K

5.00 .2467 .95829 .04741 .00074 -.0000002

10.00 ,474 1 .92065 .04352 .00156 -.0000009 15.00 .6819 .88284 .03962 .00245 -.0000027 20.00 .8703 .84502 .03573 .00345 -.0000059

25.00 1 .0393 .80729 .03187 .00456 -.0000115 29.39 1.1718 .77422 .02847 .00565 -.0000200

489.36 1.1718 .04650 .21405 .37071 .0000609 490.00 1.3100 .05192 .21699 .37246 .0000567 495.00 2.4534 .09625 .24058 .38624 .0000250 500.00 3.7181 .14440 .26554 .40030 -.0000045 505.00 5.1111 .19654 .29192 .41466 -.0000321 510.00 6.6397 .25281 .31977 .42932 -.0000584 51 5.00 8.31 14 .31339 .34915 .44429 -.0000836 520.00 10.1338 .37843 .3801 .45959 -.0001080 525.00 12.1 152 .44812 .41270 .47521 -.0001317 530.00 14.2637 .52261 .44699 .491 18 -.0001549 535.00 16.5880 .60209 .48302 .50748 -.0001777 540.00 19.0969 .68673 .52085 .52414 -.0002001 545.00 21.7996 .77673 .56054 .541 16 -.0002224 550.00 24.7055 .87227 .60214 .55854 -.0002444 555.00 27.8243 .97353 .64571 .57630 -.0002664 560.00 31 .1660 1.08072 .69130 .59443 -.0002884 565.00 34.7408 1.19402 .73898 .61294 -.0003103 570.00 38.5593 1.31363 .78878 .63184 -.0003323 575.00 42.6323 1.43976 .84078 .651 14 -.0003544 580.00 46.9709 1.57261 .89502 .67083 -.0003766 585.00 51.5864 1.71237 .95157 .69094 -.0003990

590.00 56.4905 1 .85927 1.01047 .71 145 -.0004216

595.00 61.6952 2.01351 1 .07179 .73238 -.0004444 600.00 67.2125 2.17529 1.13556 .75374 -.0004675

122 . 2JR

Table 18. (Continued)

Normal Butane Isotherm at 380 K

1 sochore Isotherm 1 sochore

i vat i ve Curvature Dens ity Pressure Z Derivative Der MPa/K Mra/K kg/in3 MPa MPa .m3/kg -.0000001 5.00 .2616 .96242 .05050 .00074 -.0000007 10.00 .5051 .92915 .04689 .00154 -.00000 15.00 .7306 .89600 .04332 .00241 18 -.0000038 20.00 .9383 .86310 .03980 .00336 -.0000068 25.00 1.1286 .83052 .03634 .00439 30.00 1.3018 .79829 .03294 .00550 -.00001 1 .00672 -.0000 177 35.00 1.4581 . .76639 .02959 40.00 \,5911 .73482 .02629 .00804 -.0000272 45.00 1.7210 .70357 .02303 .00948 -.0000422 45.78 1.7387 .69873 .02252 .00972 -.0000453

.12849 .28570 .0002238 453.83 1 . 7387 .07048 455.00 1.8910 .07646 .13216 .28832 .0002143 .0001769 460.00 2.5923 .10367 . 14849 .29965 465.00 5.1111 .13363 .16588 .31 122 .0001 438

1 .32305 .0001 137 470.00 4.2529 . 1 6647 . 8437 r\i\(^ r\c> ^ o 475.00 5.2234 .20230 .20403 .33514 .0000860 480.00 6.2952 .24127 .22488 .34751 .0000601 485.00 7.4743 .28351 .24699 .36017 .0000355 490.00 8.7673 .32916 .27041 .37312 .00001 23 495.00 10.1806 .37836 .29517 .38637 -.00001 Ql 500.00 11.7213 .43127 .32134 .39993 -.uouu^ ly 505.00 13.3964 .48802 .34896 .4 1 380 510.00 15.2134 .54877 .37808 .42799 -.oouu /jy r\r\r\r\CiA 17.1798 .61369 .40876 .44251 -.uuuuy4 515.00 "7*2 "7 >1 C r\r\r\ i 1 / R 520.00 19.3036 .68293 .44 104 .45737 -.UUU 114 5 525.00 21.5930 .75664 .47499 .472 56 -. UUU 1 j44 530.00 24.0564 .83501 .51066 .48809 -.UUU 1 134z r\r\r\ 1 "7*zn 535.00 26.7025 .91820 .54809 .50398 -. UUU 1 /jy Ann 1 540.00 29.5403 1.00637 .58735 . 52022 -.UUU 1 yjp 545.00 32.5791 1.09972 .62849 .55378 -.0002328 550.00 35.8284 1 . 1 9840 .67156 555.00 39.2980 1.30261 .71662 .571 12 -.0002526 560.00 42.9981 1.41253 .76373 .58883 -.0002724 565.00 46.9389 1.52835 .81295 .60692 -.0002923 570.00 51.1311 1.65025 .86432 .62541 -.0003124 575.00 55.5857 1.77842 .91790 .64428 -.0003327 580.00 60.3139 1.91306 .97375 .66355 -.0003532 585.00 65.3271 2.05436 1.03192 .68322 -.0003739 590.00 70.6371 2.20252 1.09248 .70330 -.0003948

123 31 A 1

Table 18. (Continued).

Normal Butane Isotherm at 400 K

I SO therm 1 sochore I sochore

i 0 1 1 p \/ ^ 11 r" Den s ty Pressure z \J\^\ 1 V

5.00 .2764 .96595 .05356 .00074 - nnnnnni in on 5357 .93637 0'5n7n nni s'^ - nnnnnns

1 5.00 ,11 nn7'^R - nnnnni

20.00 1 . 0048 .87802 .04366 nn^79

25.00 1 .2 1 52 .84948 .04050 .00427 • \J\J\J\J\JH\J 30.00 1.4099 .82136 .03742 .00532 -.0000073 35.00 1.5894 .79366 .03440 .00644 -.0000108 40.00 1.7540 .76638 .03146 .00763 - nnnni S4

45.00 1 .9041 . 73951 07859 nnRQn - nnnn7 17

50 on 2. 0401 .7 1 308 n7Sftn - nnnn7Hft

55.00 2 . 1 623 .687 10 .0231 .01 165 - nnnn'^RS

60 . 00 2 . 27 1 .661 59 .02050 .01315 -.0000514 65.00 2.3675 .63655 .01798 .01474 -.0000691 70.00 2.4513 .61 200 .01 555 .01643 -.000094 7

72.54 2.4892 .59973 .01435 . 0 1 734 -.0001 128

408 .02 2.4892 . 1 0662 .05843 .20249 .0004306 410.00 2.6082 .11118 .061 93 .20585 .0004060 415.00 2.9409 .12385 .07129 .21447 .0003528 420.00 3.3223 .13824 .08138 .22328 .0003089 425.00 3.7560 .15445 .09223 .23230 .0002716

430.00 4.2460 .17257 . 10390 .24 1 55 .0002389

435.00 4.7964 .19270 . 1 1 64 1 .25103 .0002097

440.00 5.4 1 16 .21495 . 12982 .26075 .0001832 445.00 6. 0961 .23942 .14415 .27073 .0001 587

450.00 6.8547 .26622 . 15946 .28097 .0001358

455.00 7.6924 .29547 .17577 . 29 1 48 .0001 141 460.00 8.6142 .32726 .19314 .30227 .0000935 465.00 9.6256 .361 77 .21161 .31333 .0000736 470.00 10.7322 .39907 .23121 .32468 .0000544

475.00 1 1 .9397 .43930 .25201 .33632 .0000357

480.00 1 3.2543 .48259 .27403 .34825 .0000175 485.00 14.6822 .52907 .29734 .36050 -.0000005

490.00 1 6.2299 .57887 .32197 .37304 -.0000181 495.00 17 .904 .63214 .34797 .38590 -.00003 56

500 on 1 9. 7 120 .68900 .37540 .39907 -.0000529

9 1 5n5 on 1 • \JKJ\J\Jfifinfi .74962 .40430 .4 1256 -.0000702 sin nn 9"^ 7S7R - 0000ft7"S

5 1 5.00 .46673 .44052 -.0001045 s^n nn 4 55ni - 0001716 nn ^1 0170 .53568 .46983 -.0001 388

\ 1 1 1 - s^n nn • 1 O f J 4 OOOISfiO 535.00 36.7473 1.20042 .61 158 .50051 -.0001733 540.00 39.9062 1.29154 .65227 .51638 -.0001907 545.00 43.2732 1.38766 .69486 .53261 -.0002082

550.00 46.8580 1 .48896 .73940 .54920 -.0002258 555.00 50.6705 1.59560 .78595 .56616 -.0002436 560.00 54.7210 1.70776 .83457 .58350 -.0002616 565.00 59.0198 1.82562 .88532 .60121 -.0002798 570.00 63.5778 1.94936 .93824 .61931 -.0002982 575.00 68.4059 2.07916 .99339 .63779 -.0003168

124 z11 41 y . 651/ 1 J2/A311/

Table 18. (Continued)

Norma I Butane Isotherm at 410 K

1 1 sotherm Isochore sochore

Dens ity Pressure Z Derivative Der i vat i ve Curvature kg/fti^ MPa MPa •m3/kg MPa/K MPa/K

AA AT A AAAAAA 5.00 .2837 .96753 .05508 .00074 -.000000 A A 1 no AAAAAA 10.00 .5510 .93950 .05183 .001 52 -. 0000004 r\r\r\r\r\ 1 0 1 5.00 .8022 . 9 1 1 83 .04864 .00237 -.000001

20.00 1 .0376 .88457 .04554 .00327 UUUUUZ A A ^ OT 25.00 1 .2577 .85776 .04251 .00423 -•UUUUU A A COiT r\r\r\r\r\c i 30.00 1 .4628 .83 139 .03956 .00526 AA £ZX A 35.00 1 .6534 .80544 •03667 .00034 -•UuUUUoy A A-7/I A 40.00 1.8297 .77992 .U3jod .00 /4y UUUU 1 /.^ 45.00 1.9921 .75481 .031 13 .00871 -.0000168 50.00 2. 141 .7301 .02848 .00998 -.0000221 AA A A OOC 55.00 2.2771 .70592 .02592 .01 132 -•UUUU/oo 60.00 2.4005 .68217 .02346 .01272 -.000036!)AAA A'Z C C A 1 J1 1 0 A AA A /I C 1 65.00 2.51 19 .65890 .021 10 .01418 -•000U4D A A A A C 0 A 70.00 2.61 17 .63614 .01883 .01 570 -. 0000580 A AAA ~7"Z A 75.00.. 2 . 7004 .61391 .01668 .01 729 -•0000730 A 1 0 AC A A AAAO "Z 80.00 2.7786 .59221 .01462 .01 895 -• uouoyz3 AO A^ 0 r\r\r\ 1 1 0 "z 85.00 2.8468 .57105 .01 267 .020DO -•UUU \OJ r\ r\ r\ 1 c C T 90.00 2.9055 .55045 .01 082 .02250 -.0001 553 94.40 2.9496 .53278 .00927 .024 19 -.0002043

A AA ^ 1 AC 376.69 2.9496 .13351 .03006 . 1 5957 .00051 05 A AA C A Ct C 380.00 3.0554 .13709 .03375 . 1 64 1 .0005485 AAA A ~l a C 385.00 3.2388 .14344 .03973 .17120 .0004756 AAA A ^ 0 C 390.00 3.4536 . 1 5099 .04626 . 17839 .0004 185 A A A "7 *7 0 A 395.00 3.7024 . 1 5982 .05337 .18577 .0003724 400.00 3.9883 .17001 .061 10 .19335 .0003335 405.00 4.3145 .18164 .06948 .201 14 .0002999 410.00 4.6843 .19480 .07855 .2091 .0002703r\r\ f\^~i f^T A A A 0 7 415.00 5. 1012 .20959 .08833 .2 1740 .0002436 420.00 5.5689 .22608 .09887 .22588 .0002193 425.00 6.0912 .24437 .11020 .23462 .0001968

430.00 6.6722 .26457 . 1 2235 .24360 .0001757 "7 435.00 7.3162 .28677 .13537 .25284 .0001AA A 1 557d C A A A 1 T tl 1 440.00 8.0274 . 3 1 1 07 . 14929 .26234 .0001367

445.00 8.8107 .33759 .16416 .272 1 .0001 183 450.00 9.6706 .36642 . 18000 .2821 .0001006 A AA AO "Z j1 455,00 10.61 24 .39768 . 1 9587 .29246 .0000834

460.00 1 1 . 64 1 .43149 .2 1480 .30306 .0000665

O "Z O /! "Z 1 ZA C A AAA C A 465.00 12.7622 .46796 .23384 .3 1 395 .0000500 zo c 1 0 AAAAZ Z"? 470.00 1 3.9813 .50721 .254UZ .^2512 .OOOOj J 0-7 Cyl 1 X X^ c:q AAAA 1 ~7C 4 /5.00 1 5.3044 .54937 .0000 1 /o XA QX c: AAAAA 1 -7 480.00 16.7375 .59455 . ^^oUj .00000 1 485.00 18.2869 .64289 .JZ 193 .30042z A ^ 0 -.0000142AAAA 1 yl 0 490.00 19.9592 .69452 .34/19 .3Z "700/2o0A -.0000300AAAA'ZAA

O 1 ~7 C 1 O ZQ CACl yl 493 .00 21 •751 .74957 .J/3o3 .30 549 -.0000430AAAA ZAO CA AAAA C 1 C 500.00 23.6999 .808 19 .40 1 o9 .39850 -.OOOOol

A X i A A /I 1 1 Q 0 AAAA"7"7"Z 505.00 25.7826 .87051 .4 J 1 44 .4 1 lo2 -.0000 / /3 51 0.00 28.0 168 .93667 .4DZ52 .4254 -.000093AAAAAZ A xnA ^ A A A 1 AAA 1 1 51 5.00 30.4 1 05 .00682 .4yj .4 jy4D -. 000 1 oyo

A C Z~7T A AA 1 0 y1 A 520.00 32.9715 1.08112 .5

125 1 1 0

Table 18. (Continued).

Normal Butane Isotherm at 420 K

1 sotherm 1 sochore 1 sochore

Density Pressure Z Der i vat i ve Der i vat i ve Curvature kg/m3 MPa MPa •m3/kg MPaA MPa/K^

10.00 .5662 .94246 .05346 .00152 -.0000004 20.00 1.0702 .89062 .04739 .00325 -.0000020 30.00 1.5151 .84060 .04164 .00520 -.0000052 40.00 1.9040 .79229 .03619 .00738 -.0000103 50.00 2.2399 .74564 .03104 .00978 -.0000178 60.00 2.5260 .70074 .02624 .01240 -.0000281 70.00 2.7661 .65772 .02183 .01521 -.0000418 80.00 2.9641 .61670 .01784 .01821 -.0000602 90.00 3. 1243 .57780 .01427 .02137 -.0000849

100.00 3.2509 .54109 .01 1 12 .02469 -.0001 192

1 10.00 3.3481 .50661 .00839 .02816 -.0001701 120.00 3.4199 .47436 .00604 .03180 -.0002547 130.00 3.4701 .44429 .00405 .03566 -.0004309 133.47 3.4830 .43436 .00342 .0371 -.0005514

328.06 3.4830 .17672 .00760 .11119 .001 1287 330.00 3.4985 .17646 .00840 .1 1304 .0010246 340.00 3.6053 . 17650 .01315 .12277 .0007067 350.00 3.7658 .17909 .01918 .13303 .0005459

360.00 3.9940 .18466 .02671 . 14398 .0004450 370.00 4.3058 .19370 .03595 .15571 .0003732 380.00 4.7195 .20672 .04712 . 16829 .0003176

390.00 5.2554 .22429 .06045 . 1 8 1 74 .0002717 400.00 5.9365 .24703 .07618 .19612 .0002320 410.00 6.7880 .27557 .09457 .21 146 .0001964 420.00 7.8377 .31061 .1 1588 .22778 .0001636 430.00 9.1 162 .35287 .14039 .24513 .0001326 440.00 10.6571 .40314 .16839 .26353 .0001028 450.00 12.4967 .46223 .20019 .28301 .0000737 460.00 14.6746 .53098 .23612 .30362 .0000451 470.00 17.2339 .61032 .27651 .32537 .0000167 480.00 20.2209 .70118 .32172 .34830 -.00001 16 490.00 23.6855 .80456 .3721 .37245 -.0000402 500.00 27.6816 .92150 .42807 .39784 -.0000690 510.00 32.2668 1.05307 .49000 .42452 -.0000983 520.00 37.5029 1.20042 .55832 .45251 -.0001280 530.00 43.4558 1.36472 .63343 .48185 -.0001583 540.00 50.1957 1.54720 .71579 .51258 -.0001892 550.00 57.7972 1.7491 .80582 .54473 -.0002210 560.00 66.3391 1.97176 .90396 .57835 -.0002536

126 1 1 1

Table 18. (Continued).

Norma I Butane Isotherm at 425. 160 K

1 sotherm 1 sochore 1 sochore

Dens i ty Pressure z Der ivat 1 ve Der ivat ive Curvature kg/ m3 MPa MPa.m3/kg MPa/K MPa/K2

10.00 .5741 .94390 .05429 .00152 -.0000004

20.00 1 .0869 .89557 .04833 .00324 -.0000018

30.00 1 .5419 .64507 .04271 .00517 -.0000048 40.00 1.9420 .79827 .03736 .00733 -.0000094 50.00 2.2902 .75312 .03233 .00970 -.0000161 60.00 2.5896 .70967 .02763 .01226 -.0000250 70.00 2.8440 .66804 .02331 .01501 -.0000365

80.00 3.0573 .62837 .01940 .01792 . -.0000510 90.00 3.2335 .59074 .01591 .02098 -.0000691 100.00 3.3768 .55523 .01283 .02415 -.0000918

1 10.00 3.4914 .52189 .01015 .02743 -.0001201 120.00 3.5812 .49069 .00786 .03078 -.0001560 130.00 3.6498 .46163 .00593 .03419 -.0002022 140.00 3.7009 .43465 .00433 .03763 -.0002635 150.00 3.7375 .40969 .00303 .04108 -.0003476 160.00 3.7625 .38665 .00201 .04451 -.0004680 170.00 3.7786 .36547 .00124 .04791 -.000651 180.00 3.7881 .34603 .00069 .05123 -.0009514 190.00 3.7930 .32825 .00033 .05445 -.0014992 200.00 3.7952 .31201 .00012 .05752 -.0026725 210.00 3.7959 .29721 .00003 .06036 -.0060057 220.00 3.7960 .28371 .00000 .06285 -.0251804 230.00 3.7960 .27137 .00000 .06455 .3759035 240.00 3.7960 .26007 .00001 .06684 .01 13369

250.00 . 3.7964 .24969 .00008 .06985 .0044633 260.00 3.7979 .24018 .00025 .07348 .0025343 270.00 3.8021 .23154 .00062 .07770 .0016947 280.00 3.81 12 .22381 .00127 .08253 .0012437 290.00 3.8287 .21708 .00230 .08798 .0009687 300.00 3.8590 .21 151 .00385 .09408 .0007860 310.00 3.9079 .20728 .00605 .10086 .0006567 320.00 3.9827 .20464 .00905 .10835 .0005603 330.00 4.0921 .20389 .01301 .1 1657 .0004855 340.00 4.2466 .20537 .0181 .12556 .0004251 350.00 4.4586 .20946 .02453 .13534 .0003748 360.00 4.7422 .21660 .03248 .14595 .0003317 370.00 5. 1138 .22726 .04215 .15742 .0002937

380.00 5.5918 .24196 .05378 . 16977 .0002593 390.00 6.1966 .26125 .06758 .18303 .0002277 400.00 6.9514 .28575 .08380 .19723 ,0001979 410.00 7.8816 .31608 .10269 .21240 .0001695 420.00 9.0151 .35293 .12452 .22857 .0001420 430.00 10.3827 .39702 .14957 .24576 .0001 151 440.00 12.0182 .4491 .17812 .26402 .0000886 450.00 13.9579 .51001 .21050 .28336 .0000621 460.00 16.2419 .58056 .24701 .30382 .0000357 470.00 18.9130 .66166 .28800 .32543 .0000091 480.00 22.0179 .75423 .3338: .34823 -.0000177 490.00 25.6068 .85927 .38485 .37223 -.0000449 500.00 29.7335 .97779 .44146 .39748 -.0000725 510.00 34.4560 1.1 1087 .50407 .42400 -.0001007 520.00 39.8362 1.25963 .57307 .45184 -.0001294 530.00 45.9401 1.42523 .64889 .48103 -.0001588 540.00 52.8381 1.60888 .73197 .51 161 -.0001890 550.00 60.6051 1.81 182 .82274 .54360 -.0002199 560.00 69.3201 2.03535 .92165 .57704 -.0002518

127 3/ 02 . 7351

Table 18. (Conti nued)

Norma i Butane Isotherm at 430 K

1 sotherm 1 sochore 1 sochore

Dens i ty Pressure Z Der i vat i ve Der i vat i ve Curvature kg/m3 MPa MPa •mJ/kg MPa/K MPa/K^

10.00 .5814 .94521 .05507 .00152 -.0000003

20.00 1 . 1 025 .89623 .04922 .00323 -.0000017

30.00 1 . 5668 .84910 .04369 .00515 -.0000044

40.00 1 .9773 .80366 .03845 .00729 -.0000087 50.00 2.3369 .75984 .03351 .00962 -.0000147 AOO A 1 A 1 O 1 C 60.00 2.6487 .71 769 .02891 .01215 -. 0000226 70.00 2.9163 .67730 .02467 .01 484 -.0000325 A A AA X A C 80.00 3. 1434 .63880 .02083 .01 769 -.0000445 A 1 ~7 >1 A AAAA CO A 90.00 3.3342 .60229 .0 1 /4U .0206 / -•0000589 ~7 ~7 100.00 3.4927 .56782 A 1 >1 "Z .02375AO "Z T C -.0000755A AA A C^T All m A A 1 AAAAAyl O 1 1 0.00 3.5228 . 53544 .011/3 .02591 -•0000948 C A C 1 7 AAA >1 it A Z A 1 Z AAA 1 1 £ 1 120.00 3. 7285 .5051 .00946 .0301 -•000 1 161 AA "7 1^/1 AAA 1 "ZAO 130.00 3.0 132 .4 /DO .00/54 .03330 -•uoo 1 jyz 140.00 3.8804 .45061 .00594 .03554 -.0001530AAA 1 £ "Z A

AA A 1 O C yl 1 50.00 3.9331 .42628 .00463 .03988 -.0001854 160.00 3.9740 .40379 .00359 .04308 -. 0002035AAA O A "Z C AAAO 1 "20 1 70.00 4.0056 .38307 .00278 .04623 -.0002132 180.00 4.0303 .36402 .00219 .04932 -.0002103AAAO 1 A T 190.00 4.0500 .34654 .00178 .05238 -.0001916A A A 1 A 1 ^ A AA 1 C "7 A 200.00 4.0665 .33056 . 00 1 54 .05544 -.0001 570 210.00 4.0813 .31 596 .00AA 144\ A A .05852A C O CO -•0001AAA 1 087AO 1 AA AA C A A 220.00 4.0956 .30266 .00144 .061 69 -.0000508

230.00 4. 1 103 .29053 .00 1 50 .06499 .0000139 240.00 4. 1257 .27947 .001 60 .06847 .0000832 AAA ^ C A A 250.00 4. 1426 .26939 .00180 .072 16 .000 1544 A A A O O O 1 260.00 4. 1623 .26027 .00217 .0761 .0002221 270.00 4. 1868 .25210 .00277 .08050 .0002802 280.00 4.2189 .24496 .00369 .08531 .0003238 290.00 4.2621 .23893 .00503 .09064 .0003508 300.00 4.3212 .23417 .00690 .09658 .0003620

310.00 4.4022 .23087 .00943 . 1 03 1 .0003605

320.00 4.5126 .22926 .01279 . 1 1047 .0003498

330.00 4.6612 .22964 .01712 . 1 1850 .0003331 340.00 4.8588 .23233 .02260 . 12732 .0003128 350.00 5.1177 .23771 .02942 . 13694 .0002905 360.00 5.4523 .24622 .03778 .14739 .0002672 370.00 5.8790 .25832 .04788 .15871 .0002435 380.00 6.41 63 .27451 .05994 . 17092 .0002198 390.00 7.0850 .29534 .074 19 . 18405 .0001960 400.00 7.9082 .32 142 .09087 .19812 .0001 723 A A A 1 A Q C 4 1 0.00 8.91 15 .35336 . 1 1024 .21317 .0001485 AA A 1 O jl A 420.00 10. 1229 .39184 .13257 .2292 .0001248 AAA 1 AAA 430.00 1 1 . 5735 .43757 . 1581 .24629 .0001 009 A AAAT£ O 440.00 13.2970 .491 31 .18719 .26442 .0000768 A AAA CO A 45U.UU 1 3.3301 .2201 .28364 .0000524 "Z A "^OQ AAAAo-7-7 460.00 17.7128 .62601 ml.0 1 lb .3U3yo 470.00 20.4882 .70869 .29871 .32546 .0000026 480.00 23.7031 .80282 .34511 .34813 -.0000229 490.00 27.4078 .90935 .39673 .37200 -.0000490 500.00 31.6564 1.02931 .45396 .39712 -.0000756

510.00 36.5070 1.16375 , .51719 .42351 -.0001028 520.00 42.0216 1.31378 .58683 .45121 -.0001307 530.00 48.2664 1.48055 .66331 .48026 -.0001593 540.00 55.3121 1.66525 .74707 .51069 -.0001887 550.00 63.2335 1.86912 .83854 .54253 -.0002190

128 J15/1 J1 1 . 4

Table 18. ( Cont i nued )

Normal Butane Isotherm at 440 K

1 sotherm 1 sochore 1 sochore r\ y-\ r\ i Uwii b 1 1 Pressure i i y L Der vat ve Der i vat i ve Curvature kg/ tTi3 rlr a MPa .rfi3/kg MPa/K fMPa/K^

Z'J OA \ A^ •uu .yU 145 ,05 1 02 .00321 -,0000015 A n nn O A/1 QQ O 1 .1 1 o 4U» UU •o 1 4 1 y .04067 ,00721 -,0000075 O "7£: A 1 z. /oy .73326 .03148 .01 194 -,0000187 on An J . 3 1 0.5 .6530 .02369 .01 730 -,0000351 1 nn nn Z T OC O 3 . / ZOO .5921 .01742 ,02310 -,0000554 I zU.UU 4 . 0248 .53288 .01 262 ,02919 -,0000769 1 ^ r\ rvA 1 4U»U(J 4.2401 .481 19 ,00912 ,03542 -,0000943 1 f^n nn A "ZA TA 4. jy /U .43662 ,00674 ,04 168 -,0001009 ion nn A 1 CA 4.5 loU .39861 ,00532 .04800 -,0000908 OAA AA 4.61 54 .36665 ,00475 ,05449 -.0000628 oon nn A "7 1 AO 4 . / 1 08 ,34021 ,00488 ,06139 -,0000207 240.00 4.8132 .31863 .00542 ,06895 ,0000307 A AA 4 . 93 1 .30135 .00656 ,07748 ,0000870 5.0836 ,26346 ,00891 ,08736 ,0001399 A AA jUU.OU 5.3009 ,28073 .01321 ,09907 ,0001797 TOO AA 5.o3 1!) .27960 .02043 , 1 1 308 .0002001 340.00 6.1453 .28717 ,03175 .12981 .0002014 7/r A AA C A*Z O A JOU . UU 6.9380 .30620 ,04857 . 14963 .0001876 380.00 8.1355 .34015 .07250 .17281 ,0001633 400.00 9.8973 .39312 ,10532 . 19963 .0001 320 420.00 12.4208 .46986 .14901 .23031 .0000959 >1 1 A AA 44U . UU 1 5 .y44 .57575 ,20575 .26508 .0000561 A ^A AA '^ou.uu ZUt 1051 .7 1681 ,27794 .30418 .0000132 /lOA AA Q A A~7 ^ou • UU .syy /6 ,36825 .34785 -.0000326 KAA AA 1 1 "2 1 AO 3UU.UU 1 . 1 3 198 ,47958 .39633 -,0000813 KOA AA A A RO 7 1 1 >10 1 c:q J^\J • 1 UU ,4z 1 5o ,61 506 .44990 -,0001331 A AA f^A ^ AQA 1 "7~7"7'20 Du.4uyo 1 , / / /3o ,77805 .50881 -,0001882

Norma 1 [Butane 1 sotherm at 450 K

,U5zolA C O O 1 .00320 -.0000014 "2 dn . nn 9 1 9 1 QO UU Z. IZ 1 1} ,oz jy ,04284 ,0071 -.0000065 ftn nn OU. UU Z.OC) /O » I'i loo ,03398 ,01 177 -,0000158 Rn nn OU . UU _>.4oyo »o 1 / 1)3 .02645 ,01698 -.0000287 1 AA AA IZ ^ A A c 1 uu.uu ,Ol445 ,02036 ,02261 -.0000435 1 OA AA 1 Z U . UU 4. J 1 J ,55839 .01 566 .02853 -.0000574 ' 1 >1 A AA >l C: AA 1 1 'JU.UU ,50934 .01222 .03463 -.0000670 1 f^A AA A O AA A 1 DU .UU 4.0094 ,46696 .00988 ,04086 -.0000685 1 Q A AA A A AO 1 1 ou.uu 4.yyzi ,43084 .00855 ,04727 -.0000599 OA A AA /UU.UU 5. 15/6 ,40062 ,00816 ,05399 -.0000412 OO A AA ZZU. UU 5.3238 ,37593 ,00857 ,06122 -.0000145 O ^ A AA 5.5040 ,35627 ,00953 ,06919 .0000180 OC A A A /:o0.00 5.7100 ,341 17 ,01 125 ,07816 .0000539 ^80 . 00 5.9633 .33085 ,01437 ,08847 .0000892 300.00 6.2994 .32620 ,01967 .10052 .0001 188 320.00 6.771 .32871 ,0281 .11473 .0001382 XAr\ AA ~I A ROA "Z /I A C 1 u.uu 1 .4DZ4 ,34051 .04085 . 1 3 1 52 .0001454 360.00 8,4428 .36433 .05926 .15125 .0001406 380.00 9.8711 .40354 ,08492 . 17425 .0001256 400.00 1 1.8997 .46215 .1 1960 .20080 .0001026 420.00 14.7283 .54477 ,16527 .23115 .0000734 440.00 18.5980 .65663 .22410 .26555 .0000393 460.00 23.7959 .80363 .29851 .30425 .0000010 480.00 30.6598 ,99229 .391 15 .34748 -.0000409 500.00 39.5829 1 ,22984 .50494 .39549 -.0000863 520.00 51 .0194 1.52420 .64303 .44855 -.0001351 540.00 65.4883 1,88399 ,80875 ,50693 -.0001876

129 11

Table 18. (Continued).

Normal Butane Isotherm at 500 K

i sotherm 1 sochore 1 sochore

Dens i ty Pressure Z Derivative Der i vat i ve Curvature kg/ni3 MPa MPa.m3/kg MPa/K MPa/K^

20.00 1 .3253 .92648 .06157 .00315 -.0000008 40.00 2.4716 .86392 .05323 .00689 -.0000036 60.00 3.4603 .80634 .04580 .01 120 -.0000082 80.00 4.3107 ,75338 .03943 .01599 -.0000138 100.00 5.0452 .70539 .03422 .021 18 -.0000194 120.00 5.6878 .66269 .03023 .02671 -.0000239 140.00 6.2624 .62541 .02743 .03258 -.0000264 160.00 6.7931 .59360 .02583 .0388 -.0000261 180.00 7.3040 .56734 .02548 .04549 -.0000230 200.00 7.8210 .54675 .02645 .05273 -.00001 72 220.00 8.3704 .53195 .02869 .06069 -.0000091 240.00 8.9754 .52287 .03199 .05954 .0000007 260.00 9.6594 .51943 .03669 .07949 .00001 15 280.00 10.4575 .52218 .04355 .09078 .0000224 300.00 11.4216 .53230 .05344 .10370 .0000323 320.00 12.6222 .55149 .06738 .11854 .0000397 340.00 14.1514 .58193 .08651 .13564 .0000435 360.00 16.1263 .62630 .11219 .15531 .0000428 380.00 18.6924 .68775 ,14590 .17789 .0000369 400.00 22.0272 .76993 .18936 .20368 .0000256 420.00 26.3446 .87699 .24449 .23298 .0000092

440.00 31 .8990 1 .01362 .31344 .26606 -.0000121 460.00 38.9903 1.18509 .39861 .30320 -.0000380 480.00 47.9691 1.39724 .50265 .34467 -.0000683 500.00 59.2416 1.65656 .62849 .39072 -.0001027

Normal 1Butane Isotherm at 550 K

20.00 1 .4817 .94166 .07009 .0031 -.0000005 40.00 2.8124 .89368 .06312 .00675 -.0000023 60.00 4.0117 .84983 .05693 .01088 -.0000050 80.00 5.0956 .80959 .05162 .01545 -.0000083 100.00 6.0837 .77327 ,04738 .02043 -.00001 15 120.00 6.9985 .74128 ,04430 .02580 -.0000140 140.00 7.8641 .71397 ,04247 .03157 -.0000155

160.00 8 . 7064 .69 1 64 .04200 .03781 -.00001 57 180.00 9.5541 .67465 .04303 .04458 -.0000146 200.00 10.4386 .66340 .04571 .05202 -.0000122

220.00 1 1 .3935 ,65826 .05005 .06024 -.0000088 240.00 12.4505 .65938 .05590 .06942 -.0000047

260.00 1 3.6422 .66692 .06367 .07973 -.000000''

280.00JL~\J\J 9 \J\J 15.01 54 .68161 .07419 ,09138 .0000042 300.00 16.6345 .70477 .08842 . 10462 .0000079 320.00 18.5839 .73815 .10742 .1 1969 .0000103 340.00 20.9709 .78397 .13238 .13687 .0000105 360.00 23.9279 .84481 .16465 .15647 .0000081 380.00 27.6158 .92370 .20574 .17876 .0000025 400.00 32.2273 1.02405 .25731 .20406 -.0000067 420.00 37.9908 1.14971 .32128 .23263 -.0000197 440.00 45.1750 1.30498 .39975 .26478 -.0000364 460.00 54.0936 1.49467 ' .49513 .30077 -.0000571 480.00 65.1105 1.72412 .61006 .34088 -.0000815

130 2051 51 A1

Table 18. (Continued),

Normal Butane Isotherm at 600 K

1 sotherm 1 sochore 1 sochore

Density Pressure Z Der 1 vat i ve Der i va t i ve Curvature kg/tn-> MPa MPa •nrP/kg MPa/K MPa/K^

20.00 1 .6368 ,95353 .07847 ,00309 -.0000004 40.00 3. 1474 .91677 .07272 ,00665 -.0000016 60.00 4.5501 .88356 .06766 .01067 -.0000034 80.00 5.8591 .85332 .06340 .0151 -.0000055 100.00 7.0927 .82639 ,0601 .0 1996 -.0000077 120.00 8.2731 .80326 ,0581 .02522 -.0000095 140.00 9.4258 .78444 ,05740 .03093 -.0000107

160.00 10. 5795 .77040 ,05824 .037 1 -.00001 12

180.00 1 1 .7669 .76165 .06082 .04395 -.00001 10 200.00 13.0252 .75880 ,06535 .05145 -.00001 02 220.00 14.3945 .76234 .07191 .05980 -.0000089

240.00 15.9143 .77259 ,08039 .0691 1 -.00000 72 260.00 17.6259 .78985 ,09124 .07957 -.0000055 280.00 19. 5858 .81499 ,10538 .09136 -.0000041 300.00 21.8697 .84936 ,12381 .10470 -.0000032 320.00 24.5744 .89475 ,14755 .11982 -.0000034 340.00 27.8202 .95335 ,17814 .13697 -.0000050 1 CiC A 1 AAAA AO C 360 . 00 31 .7535 1 .OZ /DO ,Z 1553 . 1 554 AA A A ^ A A 380.00 36.5489 1 . 1 2063 ,26455 . 1 /84z -.00001 44 AAA AOO 400.00 42.4138 1 .23543 ,32387 .20327 -. 0000229 0"Z 1 OA - nAAAT/l "Z 4y.5yuo 1 .3 /5oy ,39010 .UUOUjA J

440.00 58.3624 1 . >4 344 .4837 .z5/:5 1 -.000048 / CO O O 1 460.00 59.0562 1 .74910 .58881 .zy /55 -.0000553

Norma 1 Butane 1 soTnerm ax 650 K

A AA A A A "I 20.00 1 .7909 .96307 .08674 .00307 -.0000003 /^ A/\ A A 1 1 40.00 3.4784 .93524 .082 1 .00559 -. 000001 60.00 5.0798 .91055 .07813 .01053 -.0000025 80.00 6.6084 .88842 ,07489 .01487 -.0000040 100.00 8.0821 .86923 ,07257 .01953 -.0000055 120.00 9,5236 .85355 ,071 71 .02482 -.0000070 140.00 10.9604 .84199 ,07223 .03047 -.0000081 160.00 12.4241 .83513 ,07446 .03656 -.0000087 180.00 13.9519 .83362 ,07868 .04345 -.0000091 200.00 15.5862 .83814 ,08515 .05099 -.000009 220.00 17.3735 .84933 ,09398 .05936 -.0000089 240.00 19.3603 .85758 ,10510 .06871 -.0000086 260.00 21.5961 .89333 ,1 1903 .07922 -.0000084 280.00 24, 1467 .92749 .13674 .09104 -.0000084

300.00 27,0980 .97145 , 1 5928 .10438 -.0000091

320.00 30.5577 1 .02702 ,18780 .11945 -.0000106 340.00 34.6584 1.09632 ,22359 .13649 -.0000133

360.00 39,5589 1 .18182 ,26803 .15574 -.0000174 380.00 45.4475 1.28528 ,32266 .17745 -.0000234 400.00 52.5446 1.41278 ,38918 .20189 -.0000315

420.00 6 1 . 1 064 1.55475 .46947 .22932 -.0000419 440.00 71 ,4292 1,74595 .56555 .25001 -.0000548

131 Table 18. (Continued).

Normal Butane Isotherm at 700 K

1 sotherm 1 sochore 1 sochore

Density Pressure Z Der i vat 1 ve Der i vat i ve Curvature kg/m3 MPa MPa •m3/kg MPa/K MPa/K2

20.00 1.9444 .97089 .09495 .00306 -.0000002 40.00 3.8064 .95035 .09138 .00654 -.0000009 60.00 5.6032 .93264 .08840 .01042 -.0000019 80.00 7.3475 .91723 .08618 .01470 -.0000031 100.00 9.0573 .90453 .08500 .01939 -.0000043 120.00 10.7565 .89518 .08516 .02451 -.0000055 140.00 12.4746 .88986 .08694 .03011 -.0000065 160.00 14.2467 .88924 .09062 .03626 -.0000073 180.00 16.1141 .89404 .09652 .04304 -.0000079 200.00 18.1245 .90502 .10496 .05055 -.0000083

220.00 20.3304 .92288 . 1 1608 .05892 -.0000087 240.00 22.7850 .94812 .12985 .06827 -.0000092 260.00 25.5458 .98123 .14684 .07876 -.0000098 280.00 28.6870 1.02318 .16807 .09055 -.0000108 300.00 32.3040 1.07537 .19462 .10384 -.0000123 320.00 36.5153 1.13959 .22770 .1 1882 -.0000145 340.00 41.4642 1.21792 .26862 .13570 -.0000178 360.00 47.3217 1.31275 .31880 .15473 -.0000223 380.00 54.2884 1.42675 .37981 .17615 -.0000282

400.00 . 62.5974 1.56286 .45334 .20019 -.0000360

132 1

Table 19. The Joule-Thomson Inversion locus for normal butane.

Temp. Den si ty Pressure K kg/m3 MPa

350 51 1.2 2.707 360 505.9 5.584

370 500.6 7.91 1 380 495.4 10.297 390 490.2 12.551 400 485.0 14.680 410 479.9 16.693 420 474.7 18.595 430 469.7 20.394 440 464.7 22.095 450 459.7 23.703 460 454.8 25.224 470 449.9 26.661 480 445.0 28.020 490 440.2 29.304 500 435.5 30.517 510 430.8 31.662 520 426. 32.743 530 421.5 33.762 540 416.9 34.723 550 412.3 35.627 560 407.8 36.477 570 403.4 37.275 580 398.9 38.025 590 394.5 38.726 600 390.2 39.381 610 385.8 39.991 620 381 .5 40.560 630 377.3 41 .087 640 373.0 41 .575 650 368.8 42.024 660 364.6 42.436 670 360.5 42.812 680 356.4 43.154 690 352.3 43.462 700 348.2 43.738 710 344.1 43.981 720 340.1 44.196 730 336.1 44.380 740 332.1 44.537 750 328.1 44.666 760 324.1 44.768 770 320.2 44.845 780 316.3 44.898 790 312.4 44.927 800 308.5 44.934 810 304.6 44.919 820 300.8 44.884 830 297.0 44.828 840 293.2 44.754 850 289.4 44.662 860 285.6 44.553

133 • 11 U/ 7 .. 7JD11 . U41 y 11111

Tab 1 e 20. Thermophys i ca 1 properties of saturated 1 iquid normalI butane.

1 sochore 1 sotherm

Temp. Pil dPa/dT dPJt/dT Der i vat i ve Der i vat i ve , y K MPa kg/fTP kg/m3 kg/(nfi3.K) MPa/l< MPa.m3/kg

1 "^4 Rfin fi7'^SftF-nft 7^5 77 - 044 1 9 1 1 n 1 99'^RF-»/1 1 JH • oou . D / -J JO C UO .34916E-04 .00000 1 .00000 . 1282E--06 z . 1 1 u 1

1 77 1 nF-nR — Q4 94 9 n"^9R 9 1 R7P4.n 1 1 1 1 1 hU«UUU . /z uc— uj? S)\J»H^ .85937E-04 .00000 .99999 .3012E--06 Z .UjZ9 . Z 1 -) / c +U 1

zQQ 1 7P_nR 77 R 77 — 04 1 n -J — 1 1 4 D . uuu . Jyy 1 / ll~UI? / Z . / Z . 1924 5E-03 .00000 .99998 .6456E--06 . y4 u 1 » 70 J J . ZU04 t+U 1 Rn nnn pcQ/i zp_nR 77 1 n 1 ~— Q4n 1 1 RQ99 9n 1 XP-t-H 1 / 1 1 -05 1 . ouy^ jti^u J Z . U .40521E-03 .00000 .99997 .1303E. . y4u .oyzz •ZU 1 jL+U

1 R s nfin 1 7SQ7P-n4 7 1 ^l 1 R9fifl 1 044 F-l-n 1 \DD uuu / 1 D . J? 1 .80723E-03 .00000 .99994 .2490E--05 . yjy J 1 . OZDO . 1 y44 PtU 1 71 1 fi7 ~ 1 7fi49 1 Du« uuu • D DU \ Z C UH /I 1 . oz . 15299E-02 .00000 .99990 .4532E--05 yJy^ 1 1 D4Z . 1 0 /O t+U

nnn fiR4 1 1 P-n4 7nfi Q7 1 ft 1 4 F+n 1 i I 1 i_ o J • uuu . OJH US- / UD •yc. .27718E-02 .00000 .99983 .7895E--05 . yJyO 1 . 1 U4Z .1014 U 1

1 7n nnn 1 1 77 1 F-n'^ 107 77 — Q4n"^ 1 fsAfn 1 7 R 1 F+n 1 / u • uuu . 1 1 / zl 1 C. U_J / uz • z z .4821 1E~02 .00001 .99973 .1321E--04 . y^\jD . 1 / -J 1 PTU ! n'^ 1 nnn 7n77nF— CQ7 R9 - Q4 1 4 1 SO 1 4 1 con F+n 1 / J • uuu . ZU.£ZUtl~U_J 0^ / . JZ ,80807E-02 .00001 .99958 .2133E--04 . yH 1 H 1 Jy 1 n'^ iftn nnn ^"^fiQ7F— fiQ7 ft 1 — 04 "^n 1 R"^R9 1 fi^ 1 P+n 1 o u • uuu z . 0 1 .13095E-01 .00002 .99937 .3332E--04 1 . 9 JoZ . I od I iiT^u 1 iss nnn R44 1 1 P-n'^ fiftft no — 04 sn 1 4ft7n 1 R 74 p+n 1 1 o J • uuu DOO . U^ .20580E-01 .00003 .99907 .5053E.-04 1 .40 / . 1 -) /4 t+U I ion nnn R'=i'^R7<^-n"^ COT — 04 74*+ 1 4 "^77 1 R 1 7P+n 1 1 yu» uuu .0 J_5Z^ / u~U^ 00 ^ • J D .31447E-01 .00005 .99868 .7454E--04 . y^ 1 iQ'i nnn i"'in4nF-n7 fi7ft fil 1 ^onn 1 4fi9F+n . UUHUC u/. D / 0 . U 1 .46834E-01 .00007 .99816 .1073E--03 . 1 4uZ PT^J I

7nn nnn 1 Q447F-n7 fi7'^ ft 5 — OS'^ft 1 "^44 1 4nor+n ^uu« uuu .68126E-01 .00010 .99751 .1508E--03 • y J DO 1 .-)44 1 . 1 4 U 7 Lt^U 1

fifiQ - 1 1 1 ?ns nnn 7R^4 SF-n7 y %\j071 . 96980 E-01 .00014 .99669 .2077E--03 . 0S7fty y 1 0 90Qfi R7F+n

^in nnn 4n47QF-n7 fs«CL 77 1 '^nfiP+n 1 ^ i u • uuu .13534E+00 .00020 .99568 .2806E--03 . y uZ-j 1 . Z -JuD . 1 -?UOP~U 1 c; o 1 nnn Rfi7 1 fiP-n7 fiSQ 4R 1 9 1 40 z 1 ^ • uuu . 18544 E+00 .00028 .99447 .3723E.-03 . yO 1 1 • c. \ ^y . i C -JO CTU t

99n nnn 7ftn7fiF-n7 (=iR4 fin _ 0790 1 1 74fi 1 9n7P+n i.L.\)% uuu . / ou / oc—uz U-JH .DU .24984E+00 .00038 .99302 .4860E--03 • y 1 i-y 1 . 1 /4D . 1 ZU / P ' u

nnn 1 ns74 t'-ni fi4Q 77 - 070 1 1 1 '^R4 1 1 RQF+n £-£-j* uuu .331 39E+00 .00051 .99133 .6249E'-03 *yty 1 1 . 1 -? J4

9'';n nnn 1 4 1 n4F-n fi44 ftn - Qftfin 1 n074 1 1 1 9P+n ^-D\J9 uuu . 1 *t 1 UH C U 1 OH '4 . 0 U .43328E+00 .00066 .98937 .7923E--03 1 . \jy 1 4 . f 1 1 Z P ' U 1

nnn fi'^Q ftfi 1 0fin4 lOfifiF+n 1 \j-jy . ou . 55901 E+00 .00086 .98712 .9916E--03 . J '-J-r i . UUUH . 1 uuu t_ rU 1

^^4 _ 1 16 1 740 nnn 74n7QF-ni R7 .71237E+00 .001 10 .98456 .1226E'-02 1 . uunn 1 u 0745 in97F+n 74 -1 '3. nnn . ^nR77F-ni1 1 nin4 9896 .977QF+nn1 . -'WU III— \J 629.84 .89748E+00 .00140 .98168 . 1500E--02 . u 1 UM . 7U ^u % y 1 UTuu 9150.000 -1 .QXROF+nn ^ --"J • \J\J\J • ^y"SQ147F-niI ^ 1 1- \j 1 624.76 .1 1 188E+01 .00175 .97845 .1815E--02 1 . UZ.Un9ni1 • y J -Ju . ^_/-JUL_T^UU

755. nnn .4QinfiF-ni 6 1 9 . 64 . 13809E+01 .0021 .97486 .2176E'-02 -1 .0304 .9225 .893 1 E+nn

ft 1 4 4fi -1 1 7fin *+ 17I .8 nnn 1 .04 / .89n9 59 F+nn . u\j yu y L. V 1 U 1 M . u . 16890E+01 .00267 .97089 .2586E--02 . UM

7fi5 nnn 75n47F-ni uufiOQy % 77 .20483E+01 .00325 .96651 .3046E--02 -1 .0538 .8 587 .81 7nF+nn

Q 1 R4'^F-n 1 f\C\'\ Q7 -1 nfifio i- 1 \) m UUUnnn OU_J •y L. .24646E+01 .00392 .96170 .3562E--02 1 . uuu R77Q1 y 9 / f 6- / \—l\J\J

'^'SF+nn fiO 1 09 -1 1 .7574F+nn 272.638 .mi uu 1 . u? .27092 E+01 .00432 .95898 .3856E--02 .0741 .8 20

1 "S7QRF+nn 'SQ'S 1 1 - 1 .OQfil 7Rn nnn .34923E+01 .00560 .95069 .4765E--02 1 . U 7 u 1 .7686 .6969F+nO

7ft s nnn 1 RRR-J 1 F+nn 'Tft7 SQ - 1 1 1 74 fiftn3h+nn £~0 J . UUU . 1 -JO 1 c~uu -JO / . Jy .41 169E+01 .00662 .94443 .5459E--02 % 1 Dyy . UUU_J l~'\J u

1 Sft 1 Qft -1 1 7Qn nnn ft7fi7F+nn 7 IQ .fi745F+nn-J ' I 1709\ ^ -7U. UUU -JO 1 . 70 .48249E+01 .00777 .93764 .6216E--02 . ^.y y • uz. t _ u u

7Q'i nnn 77n7ftF+nn S7fi 7Q -1 " 14RR1 .5896 F+nnI- J 1 \j % i.y .56240E+01 .00908 .93028 .7039E--02 1 . MU u .6844 . -JU 7 U uu

^nn 1 7 -1 IfiQ"^ . RRRfiP+On nnn 7SR F+nn S7n 4Q .65226E+01 .01055 .92233 .7929E--02 1 . 1 u yD . U -J / -J

"inR nnn ^nn 1 QF+nn Sfi4 RQ - 1 101^ PC^ 1 9 R774F+nn ju J . uuu . _?uu 1 i?c~uu -JUH . -J^ .75297E+01 .01219 .91377 .8888E--02 t . \ y \ D . U-J 1 ^- . -JZ.ZH C~UU "214 c;7 ^in nnn 71 7P+nn RRQ - 1 7 1 R 4QnnF+nn -J ' _) t u . uuu JO . -J / ,86549E+01 .01402 .90457 .9918E--02 1 . z 1 J 1 .OU-J4 . 4yUUCl uu -1 4RDf;p+nn nnn ^QQ4QF+nn -J-JZSS7 . H*t44 .99090 E+01 .01605 .89471 . 1 102E--01 74nQ sftnn

?9n nnn 4 R74QP+nn R4fi 1 fi —1 7fiftft R R R9 4770F+nn j^u • uuu .1 1303E+02 .01830 .88418 .1219E--01 1 . ZDOO . 4 Z / y P • uu

^7s nnn R7 1 ssF+nn _1 900^^ s'^nft "^Qft7 F+nn J . uu u . J/L P JJC rVU JDy • iH . 12851E+02 .02078 .87297 . 1344E--01 1 . £.yyD • JD\)0 %DyOL. CI "UU

^^n nnn 'SQ7n4F4-nn R'^'^ 1 7 -1 "';'^9R-J snfift "^fiQ'';F+nn j-)u. uuu . J^/lUHl_.~UU -J_J_? . 1 J .14565E+02 .02352 .86107 .1477E--01 1 . JJ JJZ . JUUO . DO y D c^KjyJ

^^1 nnn fifiq''.4F+nn R7fi 4 1 -1 '^ftftft 4R'^9 ^4 1 7 F+nn -J J J . uuu . UVJ^_>H CTUU -JZ D . H 1 . 16462E+02 .02653 .84846 . 1617E--01 . 40-JZ

^4n nnn 7 R'^R4F+nn SI Q 47 -1 4nR7 4finn T 1 4nF+nn _?HU. uuu . / -'JO^C.T^UU .18560E+02 .02984 .83513 .1765E--01 .4uUU 9D t 4UPTTJU "^7 "^4R nnn RAROsP+nn R 1 7 —1 4R9R 4'^79 7ft 7 7 F+nn . uuu . 0^ Jy -J 1 Z . -)Z .2G876E+02 .03346 .82107 . 1920E--01 ~ I . 4 JZO . 4J / Z • ZO / / Pt^UU

TKn nnn QAf,n 1 p+nn cn4 Q"^ _ 1 en 1 ft 4 147 9fi9'^F+nn J)^U.UUU .y4DU I t+uu .23436E+02 .03742 .80625 .2084E--01 .414/ . ZDZ JP T^UU nnn 1 nRA RF+n 407 9Q ?09fi 9'^7 7F+nn j_) J . uuu 4y / . zv . 26264 E+02 .04176 .79065 .2257E--01 — 1.7 jO J . jyzo . ZJ> / / P+UU

Tcn nnn 1171 RP+n 4R0 "^fi — 1 1 fin ^7n7 9 1 4 1 F +|V) _3Du • uuu .11/1 OCtU I 'toy . ju .29391 E+02 .04650 .77422 .2438E--01 1 . 0 1 ou ._> (U / . Z 14 1 P • uu

^ftR nnn 1 9QR4P+n 4R 1 1 n —1 fift7R "^40 1 1 0 1 F+nn _jDi? . uuu 40 t . 1 .32855E+02 .05169 .75690 .2628E--01 — 1 .00 /u . D^y \ . 1 y 1 jjpTuu

T7n nnn 1 4X4R P+n 477 4fi -1 IfyHl ^97ft ifi04P+nn _> / u . uu U . 1 HJ>HO C^U 1 .36701 E+02 .05738 .73862 .2828E--01 . JZ / 0 . lDy4P'UU

"'i? s nnn 1 RR 1 4F+n T 4n —1 ftfinfi ^nft7 1 4ft s F+nn -J / J m UUU . 1 -JO 1 HCTU 1 40 J3 . 4U .40985E+02 .06362 .71928 .3038E--01 1 .OUUU . JjUO I • 1 40 J PTUU R'^ ^ftn nnn 1 7'^R7F+n 1 4 ft''; _1 QfiOR 9RR7 1 9ft -JR £-F+nn _/ou • uuu . 1 1 DO 1 [1 T^U 1 H J J? . 0 jj .45778E+02 .07048 .69873 .3259E--01 1 yOyO • L.O J 1 . 1 ^0 » uu

"^RR nnn iQn7sp+ni 44 C7 —9 innR 9fi40 1 no R F+nn _?o . uu u . 1 yU 1 J uT^u 1 .51 175E+02 .07807 .67680 .3493E--01 ~Z . lUUo . ZD4y . t \JyJ PT^UU \Qr\ nnn 9nQR"^P4.n 1 / X9 77 9y1 A 1 014 1 F_n -)y u. uuu 4 3Z • / .57302E+02 .08649 .65325 .374 IE--01 -Z.ZD 1 .Z44 1 . y 1 4 1 p—u 1

TQc; nnn 79R 1 QF-4-n 1 -1 9n OP 9 A R 99*^4 74 ^R F—n Dyj . uuu . ZZo 1 7 t+U hzu . yo .64336E+02 .09593 .62772 .4006E--01 — Z . 404 . ZZ J4 . /4 Jo p—u 1

4nn nnn 94RQ9F+n 4nft n9 _9 7'^14 9n9R RR4'^F-n 1 Huu. uuu 4UO .uz .72539E+02 .10662 .59973 .4290E--01 — Z . / J 1 4 .ZUZ9 . 904 JP—U -"^ 405. onn . 77 1 1 "^F+m in9fi 1ft 1 3 .43fi7F-ni -jy J 9 ^y .82323E+02 . 1 1 894 .56850 .4599E--01 D . 1 Ui-U 410.000 .29496E+01 376.69 .94398E+02 .13351 .53278 .4939E--01 -3.6648 .1596 .3006E-01 415.000 .32060E+01 356. 17 . 11019E+03 .15163 .49012 .5323E--01 -4.6508 . 1367 .1794 E-01 420.000 .34830E+01 328.06 .13347E+03 .17672 .43436 .5774E--01 -7.0294 .1112 .7604E-02 425.160 . 37960 E+01 227.85 .22785E+03 .27394 .27394 .6427E--01 .0643 0.

134 1 0

Table 20. ( Cont i iiue'l)

Heat of Internal Fugacity/ Vel . of Temp. Vap. Energy Enthalpy Entropy Cy Cg Cp Pressure Sound Di el ectr ic

K J /mo I J /mo I J /mo I J/(mol.K) J/(mol.| J/(mol .K) J/(mol .K) Ratio m/s Constant

134.860 28789.2 .0 .0 133.544 88.51 1 1 7 . 39 1 1 7 . 39 1 .00000 1721 2.03857

140.000 28520.6 602.8 602.8 137.932 87.86 1 17.07 1 17.07 1 .00000 1695 2.03023

145.000 28265.6 1187.8 1187.8 142.036 87.29 1 16.82 1 16.82 1 .00000 1669 2.02212

150.000 28016.2 1771.6 1771.6 145.992 86.78 1 16.61 1 16.61 1 .00000 1644 2.01402

1 155.000 27772.2 2354.7 2354.7 149.812 86.34 '6.48 1 16.48 .99998 1519 2.00592

160.000 27532.9 2937.3 2937.3 153.507 85.99 .42 1 16.42 .99994 1 594 1 .99783

165.000 27298.0 3519.8 3519.8 157.089 85.71 1 10.44 1 16.44 .99986 1569 1 .98975

170.000 27067.1 4102.5 4102.5 160.565 85.51 1 16.54 1 16.54 .99975 1544 1.98167 nS.OOO 26839.7 4686.0 4686.0 163.945 85.40 1 16.72 1 15.72 .99959 1520 1 .97359

180.000 26615.3 5270.5 5270.5 167.237 85.37 1 16.99 1 16.99 .99935 1495 1 .96551

185.000 26393.4 5856.5 5856.5 170.447 85.42 1 17.34 1 17.34 .99902 1470 1 .95742

190.000 26173.7 6444.4 6444,5 173.582 85.56 1 17.77 1 17.77 .99858 1445 1.94932

195.000 25955.7 7034.6 7034.8 176.549 85.77 118.28 118.28 .99799 1420 1 .94122

200.000 25738.9 7627.6 7627.7 179.652 86.05 1 18.88 1 18.88 .99722 1 395 1.93310

205.000 25522.8 8223.6 8223.9 182.596 86.41 119.54 1 19.55 .99636 1359 1 .92496

210.000 25307.0 8823.1 8823.4 185.486 86.84 120.29 120.29 .99521 1 344 1 .91680

215.000 25091.1 9426.5 9427.0 188.326 87.33 121.10 121.11 .99392 1319 1 .90862

220.000 24874.5 10033.9 10034.6 191.120 87.88 121.98 121 .99 .99228 1294 1 .90041

225.000 24656.8 10646.0 10646.9 193.872 88.48 122.92 122.94 .99045 1268 1 .89216

230.000 24437.6 11262.7 11264.0 196.584 89.13 123.92 123.95 .98826 1 243 1.88388 235.000 24216.2 11884.7 11886.4 199.260 89.84 124.98 125.02 .98581 1218 1.87556

240.000 23992.3 12512.1 12514.3 201.902 90.58 126.10 126.14 .98298 1 1 92 1.85719

245.000 23765.3 13145.3 13148.1 204.513 91.37 127.26 127.32 .9 /yo5 115/ 1 .85877

1 1 >i 1 250.000 23534.8 13784.4 13788.0 207.096 92.19 128.48 128.55 .y / 034 114 1 1.85030

1 1 1 £ 255.000 23300.2 14429.8 14434.4 209.652 93.05 129.74 129.83 .9 1.14 / 1 1 16 1 .84177

260.000 23061.1 15081.7 15087.5 212.183 93.93 131.05 131.16 1 uyu 1 .83315 nc: T c o 265.000 22816.8 15740.5 15747.6 214.692 94.85 132.40 132.53 1065 1 .82449

270.000 22566.9 16406.1 16415.0 217.180 95.78 133.79 133.96 .y5o /2 1 039 1 .81574

272.638 22432.6 16760.3 16770.1 218.485 96.29 134.54 134.73 .95595 1 026 1 .81 106 280.000 22047.9 17759.4 17772.4 222.098 97.73 135.70 136.95 .94773 988 1.79796

285.000 21777.7 18447.2 18462.9 224.532 98.73 138.22 138.51 .94 165 962 1 .78893 290.000 21499.5 19142.8 19161.5 226.950 99.75 139.78 140.13 .93523 936 1.77978

295.000 21212.8 19846.3 19868.5 229.353 100.78 141 .38 141 .80 .92843 9 1 1 .77052

300.000 20916.9 20557.9 20584.2 231.744 101.83 143.02 143.53 .92130 834 1 .761 13

305.000 20611.0 21277.7 21308.6 234.122 102.89 144.71 145.31 .91379 858 1 .75160 310.000 20294.4 22005.9 22042.0 236.490 103.95 146.44 147.15 .90593 832 1.74192 315.000 19966.5 22742.6 22784.6 238.847 105.04 148.22 149.06 .89772 805 1.73208 320.000 19626.4 23488.1 23536.8 241.196 106.13 150.05 151.04 .88919 780 1.72206

325.000 19273.1 24242.7 24298.8 243.536 107.22 151 .94 153. 10 .88035 754 1 .71 184 330.000 18905.8 25006.4 25070.9 245.870 108.31 153.88 155.24 .87120 727 1.70142

335.000 18523.4 25779.6 25853.6 248.198 109.40 155.87 157.48 .851 75 700 1 .69076 340.000 18124.8 26562.7 26647.1 250.521 110.48 157.94 159.83 .85204 574 1.67986 345.000 17708.7 27356.0 27452.0 252.842 111.55 150.08 162.31 .84207 547 1.66867

350.000 17273.6 28159.9 28268.8 255.160 112.60 152.29 154.92 .83 187 519 1 .65717

355.000 16817.9 28975.0 29098.2 257.478 113.62 164.61 167.71 .82147 592 1 .54533 360.000 16339.6 29801.5 29940.7 259.797 114.62 167.03 170.71 .81085 564 1.63310 365.000 15836.5 30640.3 30797.2 262.119 115.57 159.58 173.97 .80007 536 1.62044 370.000 15305.8 31491.9 31668.4 264.446 115.46 172.29 177.56 .7891 508 1.60727

375.000 14744.1 32357.3 32555.6 266.779 117.30 175.21 181 .58 .77799 479 1 .59353

380.000 14147.3 33237.3 33460.0 269.122 118.05 178.40 186.17 .75672 450 1 .57912 385.000 13509.7 34133.4 34383.3 271.479 118.70 181 .96 191.57 .75532 420 1.56392 390.000 12824.0 35047.2 35327.6 273.854 119.23 186.05 198.14 .74375 389 1.54774 395.000 12079.8 35981.2 36296.3 275.254 119.60 190.91 206.50 .73200 358 1.53036 400.000 11262.1 36939.3 37293.9 278.689 119.75 196.99 217.75 .72005 325 1.51143

405.000 10346.6 37927.9 38328.4 281.178 119.57 205. 10 234.17 .70785 292 1 ,49041

410.000 9291.7 38959.2 39414.3 283.753 118.84 217.06 261.09 .69533 257 1 .45636

415.000 8012.0 40060.4 40583.6 286.487 116.84 237.72 314.81 .63240 219 1 .43739

420.000 6273.2 41315.5 41932.6 289.504 110.53 287.81 479.31 .66883 181 1 .39841 425.160 0.0 44431.5 45399.9 297.647 .65361 0 1.26583

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192 NBS-n4A IREV. 2-8C) U.S. DEPT. OF COMM. 1. PUBLiCATION OR 2. Performing Organ. Report No, 3. PubM cation D ate REPORT NO. BIBLIOGRAPHIC DATA NBS Monogr. 169 April 1982 SHEET (See instructions)

4. TITLE AND SUBTITLE

THERMO PHYSICAL PROPERTIES OF NORMAL BUTANE FROM 135 TO 700 K AT PRESSURES TO 70 MPa

5. AUTHOR(S) William M. Haynes and Robert D. Goodwin

6. PERFORMING ORGANIZATION (If joint or other than NBS. see instructions) 7. Contract/Grant No.

NATIONAL BUREAU OF STANDARDS DEPARTMENT OF COMMERCE 8. Type of Report & Period Covered 20234 WASHINGTON, D.C. Final

9. SPONSORING ORGANIZATION NAME AND COMPLETE ADDRESS (Street. City. State. ZIP)

Same as No. 6

10. SUPPLEMENTARY NOTES

Library of Congress Catalog Card Number: 82-600512

Document describes a computer program; SF-185, FlPS Software Summary, is attached.

11. ABSTRACT (A 200-word or less factual summary of most si gnifi cant information. If document includes a si gnificant bi bliography or literature survey, mention it here) Using a modified version of the nonanalytic equation of state, thermophysical properties of normal butane are derived from physical properties data and are tabulated at integral temperatures from 135 to 700 K along isobars at pressures to 70 MPa. These isobar tables, along with a table for the saturated liquid, give values for densities, compressibility factors, internal energies, enthalpies, entropies, heat capacities, fugacities, sound velocities, dielectric constants, and isochore and isotherm derivatives. Equations, whose coefficients are determined from a least squares fit to selected experimental data, are also presented for vapor pressures, orthobaric liquid and vapor densities, ideal gas properties, second virial coefficients, dielectric constants, heats of vaporization, melting pressures, and orthobaric liquid specific heats, enthalpies, and entropies. Comparisons between experimental and calculated values for all properties considered here are reported in detail.

12. KEY WORDS (Six to twelve entries; alphabetical order; capjtalize only proper names; and separate key words by semicolon s) Densities; dielectric constants; enthalpies; entropies; equation of state; fugacities; internal energies; isobars; isochores; isotherms; Joule-Thomson inversion; latent heats of vaporization; melting line; normal butane; orthobaric dens-it ies; spe r.ifir heats; vapor pressure.g; vel or.-j ti es nf snnnd. 13. AVAILABILITY 14. NO. OF PRINTED PAGES Unlimited

For Official Distribution. Do Not Release to NTIS 197 I I

[ 1 Order From Superintendent of Documents, U.S. Government Printing Office, Washington, D.C. 20402. 15. Price

Order From National Technical Information Service (NTIS), Springfield, VA. 22161 [X] $16.50

USCOmm-DC 6043-PeO