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IJCT Vol.14(2) [March 2007] >


Title: Viscometric studies of binary non-aqueous liquid mixtures at 303.15 K
Authors: Ali, A
Tariq, M
Keywords: Liquid mixtures
Viscosity
Bloomfield-Dewan theory
Semi-empirical relations
Issue Date: Mar-2007
Publisher: CSIR
IPC CodeG01N9/00
Abstract: Viscosities, η, of dimethylsulphoxide (DMSO), 1-butanol, 1-hexanol, 1-heptanol and those of their binary mixtures having DMSO as a common component have been experimentally measured at atmospheric pressure and 303.15 K. The experimental data have been used to calculate the deviation in viscosities, Δlռη, and excess Gibbs free energy of activation of viscous flow, ΔG*E. The experimental viscosity deviation, Δlռη, have also been compared with theoretically calculated, Δlռηth, using Bloomfield-Dewan theory. These parameters were used to study the nature and extent of interaction between the component molecules in the present binary mixtures. Moreover, various semi-empirical correlations were used to estimate the viscosities of the present binary mixtures. The results are given in terms of average standard percentage deviations from experimentally measured one.
Page(s): 189-194
ISSN: 0971–457X
Source:IJCT Vol.14(2) [March 2007]

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