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Issue 8, 2007
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Vapourisation of ionic liquids

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Abstract

Eight common imidazolium based ionic liquids have been successfully evaporated in ultra-high vacuum, their vapours analysed by line of sight mass spectrometry and their heats (enthalpy) of vapourisation determined. They were found to evaporate as ion pairs, with heats of vapourisation which depend primarily on the coulombic interactions within the liquid phase and the gas phase ion pair. An electrostatic model is presented relating the heats of vapourisation to the molar volumes of the ionic liquids.

Graphical abstract: Vapourisation of ionic liquids

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Publication details

The article was received on 19 Oct 2006, accepted on 01 Dec 2006 and first published on 02 Jan 2007


Article type: Paper
DOI: 10.1039/B615137J
Citation: Phys. Chem. Chem. Phys., 2007,9, 982-990
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    Vapourisation of ionic liquids

    J. P. Armstrong, C. Hurst, R. G. Jones, P. Licence, K. R. J. Lovelock, C. J. Satterley and I. J. Villar-Garcia, Phys. Chem. Chem. Phys., 2007, 9, 982
    DOI: 10.1039/B615137J

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