Physical and Excess Properties for Binary Mixtures of 1-Methyl-3-Octylimidazolium Tetrafluoroborate, [Omim][BF4], Ionic Liquid with Different Alcohols |
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Authors: | Alberto Arce Eva Rodil Ana Soto |
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Institution: | (1) Department of Chemical Engineering, University of Santiago de Compostela, Santiago, E-15782, Spain |
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Abstract: | In recent years, ionic liquids have increasingly gained importance as green solvents. The potential of these organic salts,
which are moisture and air stable at room temperature, for new chemical processes and technologies is beginning to be recognized.
Research on the thermophysical properties of ionic liquids and their mixtures form the basis for future applications. In this
contribution, densities, refractive indices, speeds of sound and dynamic viscosities of 1-methyl-3-octylimidazolium tetrafluoroborate,
Omim]BF4], the room temperature ionic liquid (IL) in binary mixtures with methanol, ethanol, 1-propanol and 2-propanol were measured
at 298.15K and atmospheric pressure. The excess molar volumes and molar refraction, isentropic compressibility and dynamic
viscosity changes of mixing have been calculated and were satisfactorily correlated by the Redlich–Kister polynomial. |
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Keywords: | Density refractive index speeds of sound dynamic viscosity [Omim][BF4] ionic liquid |
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