NJAC 7:1E DISCHARGES of PETROLEUM and OTHER HAZARDOUS SUBSTANCES RULES Statutory Authority
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Mechanistic Insights Into the Hydrocyanation Reaction
Mechanistic insights into the hydrocyanation reaction Citation for published version (APA): Bini, L. (2009). Mechanistic insights into the hydrocyanation reaction. Technische Universiteit Eindhoven. https://doi.org/10.6100/IR644067 DOI: 10.6100/IR644067 Document status and date: Published: 01/01/2009 Document Version: Publisher’s PDF, also known as Version of Record (includes final page, issue and volume numbers) Please check the document version of this publication: • A submitted manuscript is the version of the article upon submission and before peer-review. There can be important differences between the submitted version and the official published version of record. People interested in the research are advised to contact the author for the final version of the publication, or visit the DOI to the publisher's website. • The final author version and the galley proof are versions of the publication after peer review. • The final published version features the final layout of the paper including the volume, issue and page numbers. Link to publication General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights. • Users may download and print one copy of any publication from the public portal for the purpose of private study or research. • You may not further distribute the material or use it for any profit-making activity or commercial gain • You may freely distribute the URL identifying the publication in the public portal. -
Numerical Simulation of a Two-Phase Flow for the Acrylonitrile Electrolytic Adiponitrile Process in a Vertical/Horizontal Electrolysis Cell
energies Article Numerical Simulation of a Two-Phase Flow for the Acrylonitrile Electrolytic Adiponitrile Process in a Vertical/Horizontal Electrolysis Cell Jiin-Yuh Jang * and Yu-Feng Gan Department of Mechanical Engineering, National Cheng-Kung University, Tainan 70101, Taiwan; [email protected] * Correspondence: [email protected]; Tel.: +886-6-2088573 Received: 7 September 2018; Accepted: 6 October 2018; Published: 12 October 2018 Abstract: This paper investigated the effect of oxygen holdup on the current density distribution over the electrode of a vertical/horizontal electrolysis cell with a two-dimensional Eulerian–Eulerian two-phase flow model in the acrylonitrile (AN) electrolytic adiponitrile (ADN) process. The physical models consisted of a vertical/horizontal electrolysis cell 10 mm wide and 600 mm long. The electrical potential difference between the anode and cathode was fixed at 5 V, which corresponded to a uniform current density j = 0.4 A/cm2 without any bubbles released from the electrodes. The effects of different inlet electrolyte velocities (vin = 0.4, 0.6, 1.0 and 1.5 m/s) on the void fraction and the current density distributions were discussed in detail. It is shown that, for a given applied voltage, as the electrolyte velocity is increased, the gas diffusion layer thickness decreased and this resulted in the decrease of the gas void fraction and increase of the corresponding current density; for a given velocity, the current density for a vertical cell was higher than that for a horizontal cell. Furthermore, assuming the release of uniform mass flux for the oxygen results in overestimation of the total gas accumulation mass flow rate by 2.8% and 5.8% and it will also result in underestimation of the current density by 0.3% and 2.4% for a vertical cell and a horizontal cell, respectively. -
ACEPHATE (Addendum)
3 ACEPHATE (addendum) First draft prepared by Professor P.K. Gupta 1 and Dr Angelo Moretto 2 1 Rajinder Nagar, Bareilly, UP, India; 2 Dipartimento Medicina Ambientale e Sanità Pubblica, Università di Padova, Padova, Italy Explanation..........................................................................................................3 Evaluation for acceptable daily intake.................................................................4 Biochemical aspects ......................................................................................4 Oral absorption, distribution, excretion and metabolism .......................4 Toxicological studies.....................................................................................5 Acute toxicity.........................................................................................5 Short-term studies of toxicity.................................................................6 Special studies........................................................................................7 Studies on inhibition of cholinesterase activity in vitro ..................7 Short-term study of neurotoxicity ...................................................7 Developmental neurotoxicity..........................................................9 Observations in humans ..............................................................................10 Comments..........................................................................................................12 Toxicological evaluation ...................................................................................13 -
Chemicals Used for Chemical Manufacturing Page 1 of 2
Chemicals used for Chemical Manufacturing Page 1 of 2 Acetic Acid (Glacial, 56%) Glycol Ether PMA Acetone Glycol Ether PNB Acrylic Acid Glycol Ether PNP Activated Carbon Glycol Ether TPM Adipic Acid Glycols Aloe Vera Grease Aluminum Stearate Gum Arabic Aluminum Sulfate Heat Transfer Fluids Amino Acid Heptane Ammonium Acetate Hexane Ammonium Bicarbonate Hydrazine Hydrate Ammonium Bifluoride Hydrochloric Acid (Muriatic) Ammonium Chloride Hydrogen Peroxide Ammonium Citrate Hydroquinone Ammonium Hydroxide Hydroxylamine Sulfate Ammonium Laureth Sulfate Ice Melter Ammonium Lauryl Sulfate Imidazole Ammonium Nitrate Isobutyl Acetate Ammonium Persulfate Isobutyl Alcohol Ammonium Silicofluoride Calcium Stearate Dipropylene Glycol Isopropanolamine Ammonium Sulfate Carboxymethylcellulose Disodium Phosphate Isopropyl Acetate Antifoams Caustic Potash D'Limonene Isopropyl Alcohol Antifreeze Caustic Soda (All Grades) Dodecylbenzene Sulfonic Acid Isopropyl Myristate Antimicrobials Caustic Soda (Beads, Prills) (DDBSA) Isopropyl Palmitate Antimony Oxide Cetyl Alcohol Dowfrost Itaconic Acid Aqua Ammonia Cetyl Palmitate Dowfrost HD Jojoba Oil Ascorbic Acid Chlorine, Granular Dowtherm SR-1 Keratin Barium Carbonate Chloroform Dowtherm 4000 Lactic Acid Barium Chloride Chromic Acid EDTA Lanolin Beeswax Citric Acid (Dry and Liquid) EDTA Plus Lauric Acid Bentonite Coal Epsom Salt Lauryl Alcohol Benzaldehyde Cocamide DEA Ethyl Acetate Lecithin Benzoic Acid Copper Nitrate Ethyl Alcohol (Denatured) Lime Benzyl Alcohol Copper Sulfate Ethylene Glycol Linoleic Acid Bicarbonate -
Inventory Stock Status by Item September 1 - 7, 2017 on Hand
10:14 AM MSU Chem Stores 09/07/17 Inventory Stock Status by Item September 1 - 7, 2017 On Hand Inventory 1-Propanol 1L (1-Propanol 1L) 2.00 1butanolt1L (tert-Butanol 1L Ea) 0.00 aceticacidgla (Acetic acid glacial 99.7% 2.5L Ea) 1.00 aceticanhyd (Acetic anhydride 500ml Ea) 0.00 aceton4Lchrom (Acetone chromAR for HPLC use) 0.00 acetone1L (Acetone HPLC 1L Ea) 0.00 acetone4L (Acetone HPLC 4L Ea) 1.00 acetonebulk (Acetone 345 lb/Drum (ACS) Bulk Lb) 720.63 Acetonit500ml (Acetonitrile 500ml ACS) 0.00 acetonitril4L (Acetonitrile HPLC 4L Ea 99.9%) 4.00 acetonitril4LHPLC99.9% (Acetonitril 4L HPLC 99.9% Gold Optima) -2.00 alconox (Alconox 4 Lb Carton Ea) 0.00 alcotabs (Alcotabs Bottle/100 Ea) 11.00 alumnitrate500 (Aluminum Nitrate 9 hydrate 500 g) 1.00 ammbicarb250 (Ammonium bicarbonate 250 gramEa) 0.00 ammcarbonaACS (Ammonium carbonate ACS 500g Ea) 1.00 ammchlori500g (Ammonium chloride 500g Ea) 0.00 ammfluoride (Ammonium fluoride 100g Ea) 0.00 ammhydroxide (Ammonium hydroxide 28-30% 2.5L Ea) 5.00 ammoniumnitrate2500 (Ammonium Nitrate Crystal 2500g) 8.00 ammoniumnitrate500 (Ammonium Nitrate Crystal 500g) 4.00 Ammoxal500g (Ammonium Oxalate 500G-Lab Grade) 0.00 amylalcmix8pt (Amyl alcohol (mixed isomers) 8pt (3.8L) Ea) 1.00 applicator (Applicators cotton-tipped Pk100) 77.00 aprondisp (Apron Tyvec 27x36" Ea) 1.00 ascorbicacid100g (L-ascorbic acid cry acs 100 grams) 0.00 aspiratorpoly (Aspirator poly Ea) 17.00 bags10x18 (Bags poly 10x18 Belart Ea) 90.00 bags12x20 (Bags poly 12x20 Belart Ea) 53.00 bagsbiohaz24x30 (Bags Biohazard 24"x30" 1.5mil per) 0.00 -
3745-100-10 Applicable Chemicals and Chemical Categories
3745-100-10 Applicable chemicals and chemical categories. [Comment: For dates of non-regulatory government publications, publications of recognized organizations and associations, federal rules, and federal statutory provisions referenced in this rule, see the "Incorporation by Reference" section at the end of rule 3745-100-01.] The requirements of this chapter apply to the following chemicals and chemical categories. This rule contains three listings. Paragraph (A) of this rule is an alphabetical order listing of those chemicals that have an associated "Chemical Abstracts Service (CAS)" registry number. Paragraph (B) of this rule contains a CAS registry number order list of the same chemicals listed in paragraph (A) of this rule. Paragraph (C) of this rule contains the chemical categories for which reporting is required. These chemical categories are listed in alphabetical order and do not have CAS registry numbers. (A) Alphabetical listing: -- Chemical Name CAS Number abamectin (avermectin B1) 71751-41-2 acephate (acetylphosphoramidothioic acid o,s-dimethyl ester) 30560-19-1 acetaldehyde 75-07-0 acetamide 60-35-5 acetonitrile 75-05-8 acetophenone 98-86-2 2-acetylaminofluorene 53-96-3 acifluorfen, sodium salt (5- (2-chloro-4- (trifluoromethyl) - phenoxy)-2-nitro-benzoic acid, sodium salt) 62476-59-9 acrolein 107-02-8 acrylamide 79-06-1 acrylic acid 79-10-7 acrylonitrile 107-13-1 alachlor 15972-60-8 aldicarb 116-06-3 aldrin [1,4,5,8-dimethanonaphthalene, 1,2,3,4,10,10-hexachloro- 1,4,4A,5,8,8a-hexahydro- (1 alpha, 4 alpha, 4a beta, 5 -
An Investigation of the Crystal Growth of Heavy Sulfides in Supercritical
AN ABSTRACT OF THE THESIS OF LEROY CRAWFORD LEWIS for the Ph. D. (Name) (Degree) in CHEMISTRY presented on (Major) (Date) Title: AN INVESTIGATION OF THE CRYSTAL GROWTH OF HEAVY SULFIDES IN SUPERCRITICAL HYDROGEN SULFIDE Abstract approved Redacted for privacy Dr. WilliarriIJ. Fredericks Solubility studies on the heavy metal sulfides in liquid hydrogen sulfide at room temperature were carried out using the isopiestic method. The results were compared with earlier work and with a theoretical result based on Raoult's Law. A relative order for the solubilities of sulfur and the sulfides of tin, lead, mercury, iron, zinc, antimony, arsenic, silver, and cadmium was determined and found to agree with the theoretical result. Hydrogen sulfide is a strong enough oxidizing agent to oxidize stannous sulfide to stannic sulfide in neutral or basic solution (with triethylamine added). In basic solution antimony trisulfide is oxi- dized to antimony pentasulfide. In basic solution cadmium sulfide apparently forms a bisulfide complex in which three moles of bisul- fide ion are bonded to one mole of cadmium sulfide. Measurements were made extending the range over which the volumetric properties of hydrogen sulfide have been investigated to 220 °C and 2000 atm. A virial expression in density was used to represent the data. Good agreement, over the entire range investi- gated, between the virial expressions, earlier work, and the theorem of corresponding states was found. Electrical measurements were made on supercritical hydro- gen sulfide over the density range of 10 -24 moles per liter and at temperatures from the critical temperature to 220 °C. Dielectric constant measurements were represented by a dielectric virial ex- pression. -
Theoretical Studies on As and Sb Sulfide Molecules
Mineral Spectroscopy: A Tribute to Roger G. Bums © The Geochemical Society, Special Publication No.5, 1996 Editors: M. D. Dyar, C. McCammon and M. W. Schaefer Theoretical studies on As and Sb sulfide molecules J. A. TOSSELL Department of Chemistry and Biochemistry University of Maryland, College Park, MD 20742, U.S.A. Abstract-Dimorphite (As4S3) and realgar and pararealgar (As4S4) occur as crystalline solids con- taining As4S3 and As4S4 molecules, respectively. Crystalline As2S3 (orpiment) has a layered structure composed of rings of AsS3 triangles, rather than one composed of discrete As4S6 molecules. When orpiment dissolves in concentrated sulfidic solutions the species produced, as characterized by IR and EXAFS, are mononuclear, e.g. ASS3H21, but solubility studies suggest trimeric species in some concentration regimes. Of the antimony sulfides only Sb2S3 (stibnite) has been characterized and its crystal structure does not contain Sb4S6 molecular units. We have used molecular quantum mechanical techniques to calculate the structures, stabilities, vibrational spectra and other properties of As S , 4 3 As4S4, As4S6, As4SIO, Sb4S3, Sb4S4, Sb4S6 and Sb4SlO (as well as S8 and P4S3, for comparison with previous calculations). The calculated structures and vibrational spectra are in good agreement with experiment (after scaling the vibrational frequencies by the standard correction factor of 0.893 for polarized split valence Hartree-Fock self-consistent-field calculations). The calculated geometry of the As4S. isomer recently characterized in pararealgar crystals also agrees well with experiment and is calculated to be about 2.9 kcal/mole less stable than the As4S4 isomer found in realgar. The calculated heats of formation of the arsenic sulfide gas-phase molecules, compared to the elemental cluster molecules As., Sb, and S8, are smaller than the experimental heats of formation for the solid arsenic sulfides, but shown the same trend with oxidation state. -
Acifluorfen Sorption, Degradation, and Mobility in a Mississippi Delta Soil
Acifluorfen Sorption, Degradation, and Mobility in a Mississippi Delta Soil L. A. Gaston* and M. A. Locke ABSTRACT repulsion effects, acifluorfen is sorbed by soil or soil Potential surface water and groundwater contaminants include her- constituents (Pusino et al., 1991; Ruggiero et al., 1992; bicides that are applied postemergence. Although applied to the plant Pusino et al., 1993; Gennari et al., 1994b; NeÁgre et al., canopy, a portion of any application reaches the soil either directly 1995; Locke et al., 1997). Although the extent of sorp- or via subsequent foliar washoff. This study examined sorption, degra- tion in soil is generally proportional to OC content dation, and mobility of the postemergence herbicide acifluorfen (5-[2- (Gennari et al., 1994b; NeÁgre et al., 1995; Locke et al., chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoic acid) in Dundee 1997), sorption likely involves processes other than par- silty clay loam (fine-silty, mixed, thermic, Aeric Ochraqualf) taken titioning between aqueous and organic matter phases. from conventional till (CT) and no-till (NT) field plots. Homogeneous In particular, acifluorfen forms complexes with divalent surface and subsurface samples were used in the sorption and degrada- tion studies; intact soil columns (30 cm long and 10 cm diam.) were and trivalent cations (Pusino et al., 1991; Pusino et al., used in the mobility study. Batch sorption isotherms were nonlinear 1993) that may be sorbed or precipitated. Complex for- (Freundlich model) and sorption paralleled organic C (OC) content. mation and subsequent sorption may partially account All tillage by depth combinations of soil exhibited a time-dependent for increased acifluorfen sorption with decreasing soil approach to sorption equilibrium that was well described by a two- pH or increasing cation exchange capacity (Pusino et site equilibrium±kinetic model. -
Ecological Risk Assessment for Saflufenacil
TEXT SEARCHABLE DCOUMENT 2011 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 OFFICE OF CEMICAL SAFETY AND POLLUTION PREVENTION PC Code: 118203 DP Barcode: 380638 and 381293 Thursday, April 07, 2011 MEMORANDUM SUBJECT: Ecological Risk Assessment for Saflufenacil Section 3 New Chemical Uses as a harvest aid on dry edible beans, dry peas, soybean, oilseeds "sunflower subgroup 20B", oilseeds "cotton subgroup 20C", and oilseeds canola "subgroup 20A". TO: Kathryn Montague, M.S., Product Manager 23 Herbicide Branch Registration Division (RD) (7505P) FROM: ~ Mohammed Ruhman, Ph.D., Agronomist 2 :4- . ""=- ........ 04!tJt! (I neith Sappington, Senior Biologist/Science Adviso~.... Vd- Environmental Risk Branch V O'f/ .../ II Environmental Fate and Effects Division (7507P) THROUGH: Mah Shamim, Ph.D., Branch Chief Environmental Risk Branch VI Environmental Fate and Effects Division (7507P) This ecological risk assessment for saflufenacil new uses is relying on the attached previous assessment (Attachment 1). As shown in the usage summary (Table 1), the single and seasonal rate, for all the crops range from 0.045 to 0.089 lbs a.i/A are within the range application rates used in exposure modeling for the 2009 Section 3 New Chemical Environmental Fate and Ecological Risk Assessment (DP Barcode 349855). Therefore, risk findings determined for the 2009 assessment may be used in the assessment for this submittal. Specifically, the 2009 assessment found no chronic risks to avian and mammalian species at an agricultural use rate 0 0.134 lb a.i.lA. Acute risks were not determined for birds and mammals since saflufenacil was not acutely toxic at the highest doses tested. -
PRICELIST-1920-FINAL.Pdf
INDEX Page No. MD Speech 01 Our Vision / Our Mission 02 Product Classification and Grade Information 03 Label Information 04 GHS Compliance 05 Technical Data Sheet and COA 06 Qualikems Product Range 07 ISO Certificate 08 - 09 Company Details 10 Ordering Information 11 Terms & Conditions 12 Rate List 13 - 52 Images of Lab / Plant / R & D 53 - 58 Rate List 59 -116 BELIEVING yourselfIN IS THE FIRST SECRET TO Success Dear Reader, The document you are holding is the result of work performed by the team of professionals of QUALIKEMS. It is the fruit of our teams extensive technical experience combine with the collaboration of our customers, who have offered us their valuable comments and proposals for improvement. At Qualikems, we have been working and investing for many years with our thoughts focused on the long term. Only thus can this comprehensive catalogue be kept up to date with the products you need. Our highly trained workforce, using state of the art technology, is the driving force behind the management of our modern factory, and our principal aim is to guarantee that the QUALIKEMS product range meets the conditions you require. QUALIKEMS reinforces industrial character and the path to progress we have continuously forged over the years. This path requires the responsible use of resources and the sustainability of our business activity. It is likewise requires and ability to keep on growing as the way to earn and to preserve our status as the leading supplier of laboratory reagents to our Clients Ashok Sahni Managing Director QUALIKEMS FINE CHEM PVT. -
162 Part 175—Indirect Food Addi
§ 174.6 21 CFR Ch. I (4–1–19 Edition) (c) The existence in this subchapter B Subpart B—Substances for Use Only as of a regulation prescribing safe condi- Components of Adhesives tions for the use of a substance as an Sec. article or component of articles that 175.105 Adhesives. contact food shall not be construed as 175.125 Pressure-sensitive adhesives. implying that such substance may be safely used as a direct additive in food. Subpart C—Substances for Use as (d) Substances that under conditions Components of Coatings of good manufacturing practice may be 175.210 Acrylate ester copolymer coating. safely used as components of articles 175.230 Hot-melt strippable food coatings. that contact food include the fol- 175.250 Paraffin (synthetic). lowing, subject to any prescribed limi- 175.260 Partial phosphoric acid esters of pol- yester resins. tations: 175.270 Poly(vinyl fluoride) resins. (1) Substances generally recognized 175.300 Resinous and polymeric coatings. as safe in or on food. 175.320 Resinous and polymeric coatings for (2) Substances generally recognized polyolefin films. as safe for their intended use in food 175.350 Vinyl acetate/crotonic acid copoly- mer. packaging. 175.360 Vinylidene chloride copolymer coat- (3) Substances used in accordance ings for nylon film. with a prior sanction or approval. 175.365 Vinylidene chloride copolymer coat- (4) Substances permitted for use by ings for polycarbonate film. 175.380 Xylene-formaldehyde resins con- regulations in this part and parts 175, densed with 4,4′-isopropylidenediphenol- 176, 177, 178 and § 179.45 of this chapter.