Conductivities of Binary Mixtures of Ionic Liquids with Polar Solvents†
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| Abstract: | Data for the conductivity, κ, of selected binary mixtures of the ionic liquids [emim][BF4], [bmim][BF4], [bmim][PF6], [bmim][DCA], and [hmim][BF4] with polar solvents (water, propylene carbonate, dimethylsulfoxide, methanol, dichloromethane) at 25 °C are reported. Additionally, mixture densities, ρ, were determined to convert κ into molar conductivity, Λ. The obtained results were fitted by appropriate interpolation formulas. Where possible, data were compared with information from the literature. Electrode polarization and sample purity, including [BF4?] hydrolysis, were considered as possible sources of errors in κ. The effect of viscosity on the accuracy of ρ and thus Λ was checked. |
| Author:
| Alexander Stoppa, Johannes Hunger and Richard Buchner* |
| Author Unit:
| Institut für Physikalische and Theoretische Chemie, Universität Regensburg, D-93040 Regensburg, Ge |
| Year: | 2008 |
| Source: | J. Chem. Eng. Data |
| Volume-OnPage: | 54 (2), pp 472-479 |
| Publication Date:
| October 25, 2008 |
| Keyword: | |
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