Excess Molar volumes of some Binary Mixtures of Dimethyl Sulfoxide (DMSO) at Various temperatures

Abstract

Knowledge of physical properties and phase equilibrium for organic solvents is
necessary for the design and optimization of the equipment. In this paper the excess
molar volume VE of the binary liquid systems of DMSO (Dimethel Sulfoxide)+ Benzene ,
DMSO + o-Xylene , DMSO + 1,4- Dioxane , and DMSO + Tetrahydrofuran, has been
calculated from density measurements at 293.15 , 298.15 , and 303.15 K and at
atmospheric pressure over the entire composition range. The experimental excess
function VE was fitted to the Redlich-Kister polynomial equation to evaluate the
adjustable parameters (Ai) and standard deviation (σ ) .