Excess enthalpy dependence of viscosity B coefficient for benzene - cyclohexane regular solutions. Temperature effect

Excess enthalpy ( H E ) dependence of the empirical Jones-Dole viscosity B coefficient for typical benzene-cyclohexane regular solutions has been investigated with changing temperature. The H E value at the equimolar mixture linearly decreases with increasing temperature. The B coefficient is divide...

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Bibliographic Details
Published in:Journal of molecular liquids 1996-08, Vol.70 (1), p.21-30
Main Author: Nakagawa, Tetsuo
Format: Article
Language:English
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Summary:Excess enthalpy ( H E ) dependence of the empirical Jones-Dole viscosity B coefficient for typical benzene-cyclohexane regular solutions has been investigated with changing temperature. The H E value at the equimolar mixture linearly decreases with increasing temperature. The B coefficient is divided into the ideal ( B id ) and net ( B n ) components, and the negative values of both B coefficients also decrease with increasing temperature, that is, the (d B id / d T) p , and (d B n / d T) p values are positive. However, the magnitude of (d B n / d T) p is 2.5 times than that of (d B id / d T) p . The linear relations between the B id and B n coefficients and the H E value are obtained. These findings are well established through various excess properties of this system.
ISSN:0167-7322
1873-3166
DOI:10.1016/0167-7322(96)00955-5