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Vaporization Thermodynamics of Morpholinium Based Ionic Liquids
Author(s) -
Zaitsau Dzmitry H.,
Verevkin Sergey P.
Publication year - 2021
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.202000473
Subject(s) - vaporization , thermodynamics , ionic liquid , quartz crystal microbalance , chemistry , vapor pressure , enthalpy of vaporization , atmospheric temperature range , ion , enthalpy , dilution , organic chemistry , adsorption , physics , catalysis
Ionic liquids (ILs) have gained increasing attention in a wide range of material synthesis related applications. For the first time, vapor pressures and vaporization enthalpies of four morpholinim based ILs with a common bis(trifluoromethylsulfonyl)imide ([NTf 2 ]) anion were measured using Langmuir‐Quartz Crystal Microbalance (QCM). The enthalpies of vaporization measured at elevated temperatures have been adjusted to the reference temperature 298 K. The experimental vaporization enthalpies were compared with theoretical values available in the literature, as well as with empirical values derived from a gas‐chromatographic method based on activity coefficients at infinite dilution. New experimental vaporization enthalpies were tested for consistency with help of structure property‐relationships.

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