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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

The viscosity of liquid mixtures

DM Alexander and DC Moy

Australian Journal of Chemistry 34(8) 1573 - 1577
Published: 1981

Abstract

A semiempirical equation is proposed to describe the effect on the viscosity of a solvent due to the addition of a solute. This equation is applied to many types of mixtures but not those for which components are electrolytes or water. The B coefficient at infinite dilution is

2 = V·1 + V·2 /2[ln   η·2 /In η·1 - /2-H·2 / 2.45RT ]

where H°2-H·2 is the heat of solution of the liquid solute, V·1 and V·2 the molar volumes and η·2 and η·1 the viscosities of the pure components.

https://doi.org/10.1071/CH9811573

© CSIRO 1981

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