Paints and varnishes. Determination of the pot-life of liquid systems. Preparation and conditioning of samples and guidelines for testing

1993 ◽  
Keyword(s):  
Liquid Systems ◽  
Pot Life

Systematic errors in equilibrium composition of ternary liquid-liquid systems and their effect on the calculated number of theoretical stages of countercurrent extraction

1988 ◽  
Vol 53 (6) ◽  
pp. 1172-1180
Author(s):  
Ján Dojčanský ◽  
Soňa Bafrncová ◽  
Július Surový
Keyword(s):  
Equilibrium Composition ◽  
Systematic Errors ◽  
Liquid Equilibrium ◽  
Countercurrent Extraction ◽  
Liquid Systems ◽  
Equilibrium Concentrations ◽  
Line Slope ◽  
Tie Line ◽  
Calculated Number

The influence of magnitude of systematic errors in the determination of ternary liquid-liquid equilibrium concentrations on the accuracy of the calculated number of theoretical stages of countercurrent extraction is evaluated on using five hypothetical systems differing in the extent of mutual solubility of components, tie-line slope, and type of binodal curve.

scholarly journals Determination of Kinetics in Gas-Liquid Reaction Systems. An Overview

2012 ◽  
Vol 19 (2) ◽  
pp. 175-196 ◽  
Author(s):  
Hanna Kierzkowska-Pawlak
Keyword(s):  
Experimental Data ◽  
Measurement Techniques ◽  
Theoretical Background ◽  
Kinetic Rate ◽  
Reaction Systems ◽  
Liquid Reaction ◽  
Kinetic Rate Constants ◽  
Liquid Systems ◽  
Determination Methods

Determination of Kinetics in Gas-Liquid Reaction Systems. An Overview The aim of this paper is to present a brief review of the determination methods of reaction kinetics in gas-liquid systems with a special emphasis on CO2 absorption in aqueous alkanolamine solutions. Both homogenous and heterogeneous experimental techniques are described with the corresponding theoretical background needed for the interpretation of the results. The case of CO2 reaction in aqueous solutions of methyldiethanolamine is discussed as an illustrative example. It was demonstrated that various measurement techniques and methods of analyzing the experimental data can result in different expressions for the kinetic rate constants.

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