Journal
JOURNAL OF SOLUTION CHEMISTRY
Volume 41, Issue 1, Pages 173-186Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10953-011-9788-x
Keywords
1-Butyl-3-methylimidazolium glutamic; 1-Butyl-3-ethylimidazolium glycine; Methanol; Excess molar volumes; Refractive index; Viscosity
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Densities, viscosities and refractive indices were determined for two ionic liquid mixtures formed by the 1-butyl-3-methylimidazolium glutamic acid salt ([Bmim][Glu]) or the 1-butyl-3-methylimidazolium glycine acid salt ([Bmim][Gly]), respectively, with methanol over the mole fraction from 0.1 to 0.9 and at temperatures ranging from 298.15 K to 313.15 K at intervals of 5 K and at atmospheric pressure. Excess molar volumes, viscosity deviations and refractive index deviations have been calculated from the experimental data and fitted to a Redlich-Kister polynomial function. The results have been interpreted in terms of ion-dipole interactions, and structural factors of the ionic liquid and alcohol molecular liquids.
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