New for old. Password to the thermodynamics of the protic ionic liquids |
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Authors: | Verevkin Sergey P Zaitsau Dzmitry H Tong Bo Welz-Biermann Urs |
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Affiliation: | Department of Physical Chemistry, University of Rostock, Dr-Lorenz-Weg 1, 18059 Rostock, Germany. sergey.verevkin@uni-rostock.de |
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Abstract: | Activity coefficients at infinite dilution of some common solvents in a protic ionic liquid ethylammonium nitrate have been measured using well established gas-chromatography-method. This method was possible to apply due to extremely low vapour pressure of ethylammonium nitrate at temperatures below 100 °C. Activity coefficients and separation factors were compared with those for aprotic ionic liquids. A new window for intensive accumulation of thermodynamic properties of protic ionic liquids has been opened. |
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