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Excess molar volume and viscosity deviation for binary mixtures of gamma-butyrolactone with dimethyl sulfoxide

Abstract

The densities of binary liquid mixtures of dimethyl sulfoxide and gamma-butyrolactone at (293.15, 298.15, 303.15 and 313.15) K and viscosity at T=298.15 K have been measured at atmospheric pressure over theentire range of concentration. From these data the excess molar volumes VE at (293.15, 298.15, 303.15 and 313.15) K and the viscosity deviation, the excess entropy, and the excess Gibbs energy of activation for viscous flow at T=298.15 K have been determined. These data were mathematically represented by the Redlich-Kister polynomial. Partial and apparent molar volumes have been calculated for better understanding of the interactions in the binary systems. The obtained data indicate the lack of specific interactions between unlike molecules, which seem to be a little weaker as compared to the interactions in pure solvents.

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
JOURNAL OF CHEMICAL THERMODYNAMICS no. 110, pages 57 - 64,
ISSN: 0021-9614
Language:
English
Publication year:
2017
Bibliographic description:
Krakowiak J., Śmiechowski M.: Excess molar volume and viscosity deviation for binary mixtures of gamma-butyrolactone with dimethyl sulfoxide// JOURNAL OF CHEMICAL THERMODYNAMICS. -Vol. 110, (2017), s.57-64
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.jct.2017.02.009
Verified by:
Gdańsk University of Technology

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