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  • Title: Experimental vapor pressures of 1-alkyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imides and a correlation scheme for estimation of vaporization enthalpies of ionic liquids.
    Author: Zaitsau DH, Kabo GJ, Strechan AA, Paulechka YU, Tschersich A, Verevkin SP, Heintz A.
    Journal: J Phys Chem A; 2006 Jun 08; 110(22):7303-6. PubMed ID: 16737284.
    Abstract:
    Vapor pressures for a series of 1-n-alkyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (alkyl = ethyl, butyl, hexyl, and octyl) ionic liquids (ILs) were measured by the integral effusion Knudsen method. Thermodynamic parameters of vaporization for ILs were calculated from these data. The absence of decomposition of ILs during the vaporization process was proved by IR spectroscopy. Enthalpies of vaporization of ILs were correlated with molar volumes and surface tensions of the compounds.
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