Volumetric properties of solutions of 1-ethyl- 3-methylimidazolium chloride in butan-2-ol at different temperatures

Renato Tomaš*and Ivan V


The densities of moderately dilute solutions of 1-ethyl-3-methylimidazolium chloride (EMImCl) in butan-2-ol were measured (using Anton-Paar DMA 4500M densimeter) at different temperatures,  = 10, 15, 20, 25, 30 and 35 C. From the obtained density data, volumetric properties (apparent molar volumes and partial molar volumes) have been evaluated. The volumetric data have been analyzed using Masson’s equation. The limiting apparent molar volume or partial molar volume at infinite dilution, and the slope of Masson’s equation at different temperatures for EMImCl in butan-2-ol have been interpreted in terms of ion-ion and ion-solvent interactions, respectively.

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