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Vaporization Thermodynamics of 1-Ethyl-3-Methylimidazolium Diethyl Phosphate

  • THERMODYNAMICS OF INORGANIC COMPOUNDS
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Abstract

New experimental vapor pressures in the range 375–412 K and vaporization enthalpy of the ionic liquid (IL) 1-ethyl-3-methylimidazolium diethyl phosphate have been measured by the Quartz Crystal Microbalance. Results are useful for chemical engineering calculations of processes involving ILs.

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ACKNOWLEDGMENTS

Authors thank the editor of this issue, Dr. K. Gavrichev, unconsciously contributed to the field of ionic liquids with his pioneering determination of the standard molar enthalpy of formation of LiPF6 ∆f\(H_{m}^{^\circ }\)(298 K, cr) = –(2296 ± 3) kJ mol–1 [12]. With help of this result, a very first standard molar enthalpy of formation of the fluorine containing ionic liquid [C2mim][PF6] was derived [3], opening a window of opportunity for further development of ILs thermochemistry.

Funding

This work has been supported by the German Science Foundation (DFG) in the frame of the priority program SPP 1807 “Control of London Dispersion Interactions in Molecular Chemistry” (grant VE 265-9/2 to SPV), as well as of the priority program SPP 1708 “Material Synthesis Near Room Temperature” (grant VE 265-14/1 to SPV). DHZ acknowledges the financial support from DFG, grant ZA 872/3-1, 407078203.

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Authors and Affiliations

  1. Department of Physical Chemistry, University of Rostock, 18059, Rostock, Germany

    D. H. Zaitsau & S. P. Verevkin

  2. Competence Centre CALOR, Faculty of Interdisciplinary Research, University of Rostock, 18059, Rostock, Germany

    D. H. Zaitsau & S. P. Verevkin

Authors
  1. D. H. Zaitsau
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  2. S. P. Verevkin
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Correspondence to D. H. Zaitsau or S. P. Verevkin.

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Zaitsau, D.H., Verevkin, S.P. Vaporization Thermodynamics of 1-Ethyl-3-Methylimidazolium Diethyl Phosphate. Russ. J. Inorg. Chem. 65, 699–702 (2020). https://doi.org/10.1134/S0036023620050277

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  • DOI: https://doi.org/10.1134/S0036023620050277

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