Operating Manual of Dispersion Technology Instruments DT-1202: particle size and zeta potential DT-100 : particle size DT-300 : zeta potential DT-310 : zeta potential with titration DT-330 : zeta potential universal DT-600 : rheology longitudinal Options available: • conductivity aqueous • conductivity non-aqueous • pH/temperature measurement • titrations • porous body characterization • rheology • temperature heating control • porous materials characterization Dispersion Technology Inc, 364 Adams Street, Bedford Hills, NY 10507 914-241-4777, [email protected] July 27, 2012, Software Version 5.6.30. and above 1 Table of Content Table of Content .......................................................................................... 2 Hardware, general overview ........................................................................ 6 Getting started – turning on power and starting software ........................... 10 Basic Operating Instructions...................................................................... 12 Getting familiar with the basic sensor configuration.......................................................... 12 Emptying and cleaning the chamber, basic sensor configuration....................................... 13 Filling the empty chamber with a new sample, basic configuration................................... 14 Stirring the sample, if equipped with digital stirrer ............................................................ 14 Preparing pH probe for first use.......................................................................................... 15 Displaying temperature and pH, automatic and manual entry............................................ 16 Sample types: Suspension, Emulsion, Porous body, Liquid Rheology.............................. 17 Checking system by measuring intrinsic attenuation of water ........................................... 19 Measured data and calculated parameters........................................................................... 22 Quick start: particle sizing and zeta potential with 10 wt% colloidal silica sample. 23 Quick start: conductivity non-aqueous...................................................... 27 Quick start: rheology longitudinal............................................................. 28 Rheology: shear, extensional, longitudinal..................................................................... 32 Sample Content Wizard and Pyncnometer................................................. 37 Calculating density of particle ........................................................................................ 37 Calculating weight fraction from the density of dispersion............................................ 38 Calculating weight fraction from the weights and volumes ........................................... 39 Glossary of attenuation spectra for different particle size distributions and material properties................................................................................................... 41 Emulsions............................................................................................................................ 41 Dispersions of solid particles.............................................................................................. 44 Analysis form for calculating particle size, zeta potential, rheological properties. 47 Printing and Saving Analysis as a Test Report............................................................... 56 Saving any graph on the Analysis as separate picture .................................................... 56 Saving and retrieving Excel files from the Analysis form.............................................. 57 Re-calculate option - Selecting a particular record....................................................... 58 Re-calculate option - Prediction.................................................................................... 59 Analysis Tools ................................................................................................................ 59 Enforcing unimodal or bimodal PSD.............................................................................. 60 Analysis Tools - Primary particle size known. .............................................................. 60 Analysis Tools - Volume fraction search....................................................................... 61 Analysis Tools - Scattering coefficient search.............................................................. 61 Analysis Tools - Thermal expansion coefficient search. ............................................... 62 Analysis Tools - Structure. ........................................................................................... 64 Analysis Tools - Microviscosity for sizing and zeta potential in non-Newtonian liquids, polymeric solutions..................................................................................................................... 64 Analysis - Porous and fractal particles.......................................................................... 72 Re-calculate option - Mixtures of two dispersed phases. ............................................ 75 Saving intrinsic attenuation............................................................................................. 76 2 Defining a new material with relevant input parameters ............................ 77 Storing numerical data in the database and excel files................................ 85 Database.............................................................................................................................. 85 Viewing numerical data using Data View window ............................................................ 90 Finding specific data....................................................................................................... 91 Reading and revising comments in the data ................................................................... 93 Getting a quick overview of the contents of a large set of saved data............................ 94 Selecting data fields to be displayed............................................................................... 95 Creating a custom view of the data................................................................................. 95 Editing your measured data using the Data View window............................................. 96 Re-analyzing selected experiments................................................................................. 97 Exporting selected experiments to Export directory....................................................... 98 Reviewing exported files .............................................................................................. 100 Sending an export file by email .................................................................................... 101 Saving all Experiments in a Query to an Excel Spreadsheet........................................ 102 Viewing graphical presentation of data.....................................................105 Viewing overlays with Graph program............................................................................. 105 Saving graphs to metafiles............................................................................................ 107 Adding a saved graph to a document............................................................................ 107 Viewing titrations data with Titration control .................................................................. 108 Viewing time dependences with On-Line Continuous data control ................................. 108 Viewing raw data with Grid.............................................................................................. 112 Titrations ..................................................................................................119 Time titration. ................................................................................................................... 119 Initializing the burettes ..................................................................................................... 122 Setting up burettes with 1 Normal Acid and Base Reagents ............................................ 123 Setting up burette to dispense any acid, base, salt, polymer, or surfactant....................... 124 Getting familiar with Burette Control in manual mode.................................................... 125 Titration – pH ramp, measuring zp of 10 wt% colloidal silica......................................... 125 Using some details in pH ramp Titration in special situations ......................................... 126 pH Stat titration protocol .................................................................................................. 128 ml titration protocol, 10 wt% colloidal silica.................................................................... 128 Simple colloid titration without measurements ................................................................ 129 Continuous temperature control of sample....................................................................... 131 Ramp Temperature Protocol using 10 wt% Silica Ludox sample .................................... 134 Calibrations...............................................................................................136 Temperature calibration.................................................................................................... 136 pH calibration...................................................................................................................