G. Dubey, Prabjot Kaur
Oct 8, 2014
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Journal
Physics and Chemistry of Liquids
Abstract
Non-ideal behaviours of binary mixtures of 2-butoxy ethanol with 1-hexanol, 1-octanol and 1-decanol have been analysed at different temperatures and over the whole composition range. For this purpose, experimental densities were used to estimate apparent molar volumes , partial molar volumes , excess partial molar volumes . and their limiting values at infinite dilution , and respectively. Experimental viscosities were used to calculate the deviations in viscosity, ∆η. The calculated properties were interpreted in terms of molecular interactions and structural effects. A volumetric result has been analysed in the light of Prigogine–Flory–Patterson (PFP) statistical mechanical theory. Interaction parameters have been calculated from values for all the studied systems. The solute–solvent interactions have been investigated in terms of each of the three contributions, viz. interactional, free volume and P* obtained from PFP theory at equimolar concentration. The results of calculated from PFP theory are compared with the reported in our earlier communication.