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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2008, Volume 59, Issue 1, 45-48

https://doi.org/10.37358/RC.08.1.1704

Oana Ciocirlan, Olga Iulian

Viscosity of Dimethyl Sulfoxide + 1,4 Dimethylbenzene System

Abstract:

This paper reports the viscosities measurements for the binary system dimethyl sulfoxide + 1,4-dimethylbenzene over the entire range of mole fraction at 298.15, 303.15, 313.15 and 323.15 K and atmospheric pressure. The experimental viscosities were correlated with the equations of Grunberg-Nissan, Katti-Chaudhri, Hind, Soliman and McAllister; the adjustable binary parameters have been obtained. The excess Gibbs energy of activation of viscous flow (G*E) has been calculated from the experimental measurements and the results were fitted to Redlich-Kister polynomial equation. The obtained negative excess Gibbs free energy of activation and negative Grunberg-Nissan interaction parameter are discussed in structural and interactional terms.

Keywords:
dimethyl sulfoxide; 1;4-dimethylbenzene; viscosity; interaction parameter

Issue: 2008, Volume 59, Issue 1
Pages: 45-48
Publication date: 2008/2/9
https://doi.org/10.37358/RC.08.1.1704
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