Solute–solvent interaction parameters by gas chromatography

2004 ◽  
Vol 1046 (1-2) ◽  
pp. 185-202 ◽  
Author(s):  
Ervin sz. Kováts ◽  
György Fóti ◽  
András Dallosb
Keyword(s):  
Gas Chromatography ◽  
Interaction Parameters ◽  
Solvent Interaction ◽  
Solute Solvent Interaction

Studies on thermodynamics of solution by gas chromatography: solubility measurements of hydrocarbons in cycloalkanols

1977 ◽  
Vol 55 (7) ◽  
pp. 1273-1278 ◽  
Author(s):  
Rakesh K. Kuchhal ◽  
Kanai L. Mallik ◽  
Pyare L. Gupta
Keyword(s):  
Gas Chromatography ◽  
Liquid Chromatography ◽  
Activity Coefficient ◽  
Benzyl Alcohol ◽  
Infinite Dilution ◽  
Gas Liquid Chromatography ◽  
Liquid Equilibrium ◽  
Solvent Interaction ◽  
Solute Solvent Interaction ◽  
Statistical Approaches

Activity coefficients at infinite dilution have been determined by gas–liquid chromatography for nine hydrocarbons solutes in cyclopentanol, cyclohexanol, cycloheptanol, benzyl alcohol, and n-heptanol at 25 °C. Experimental results for cyclopentane and cyclohexane in cycloalkanols compare favourably with the values obtained by extrapolation to infinite dilution of activity coefficient data calculated from Benson et al.'s static (vapour–liquid equilibrium) measurements. Some characteristics of the solute–solvent interaction in the systems are discussed in light of statistical approaches (thermal and athermal contributions).

A New Look at Measurements of Network Density

1986 ◽  
Vol 59 (1) ◽  
pp. 138-141 ◽  
Author(s):  
Robert A. Hayes
Keyword(s):  
Hysteresis Loop ◽  
Interaction Parameters ◽  
Network Density ◽  
Stress Strain ◽  
Solvent Interaction ◽  
Solvent Method ◽  
Strain Data ◽  
Good Agreement ◽  
Polymer Solvent ◽  
New Look

Abstract A two-solvent method for determining the polymer-solvent interaction parameters independently of stress-strain data is described. The values obtained are much lower than those reported previously. Network densities calculated from swelling data and these interaction parameters are in good agreement with those calculated from the return portion of a hysteresis loop at high elongations.

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