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Please use this identifier to cite or link to this item: https://elib.bsu.by/handle/123456789/266015
Title: Thermodynamics of long-chain 1-alkyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide ionic liquids
Authors: Paulechka, E.
Blokhin, A.V.
Rodrigues, A.S.M.C.
Rocha, M.A.A.
Santos, L.M.N.B.F.
Keywords: ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Химия
Issue Date: 2016
Publisher: Academic Press
Citation: J Chem Thermodyn 2016;97:331-340.
Abstract: The heat capacities in the temperature range (5 to 370) K and the parameters of solid-phase transitions and fusion were determined for three [Cnmim][NTf2] (n = 10, 14, 16) ILs. The temperature-dependent vapour pressures of [C14mim][NTf2] and [C16mim][NTf2] were measured with a Knudsen effusion apparatus combined with a quartz crystal microbalance. Thermodynamic properties of these compounds in the crystal, liquid, and gas states were derived from the obtained data. The results obtained in this work were combined to those available in the literature for the short-chain homologues to discuss regularities in thermodynamic properties of the series. While some properties demonstrate simple linear dependence on the alkyl chain length, a more complicated behaviour with strong non-linearity or a break at n = 6 is observed for others.
URI: https://elib.bsu.by/handle/123456789/266015
Scopus: 10.1016/j.jct.2016.02.009
metadata.dc.identifier.scopus: 84959450497
Sponsorship: Belarusian State Program of Scientific Research «Chemical technologies and materials, natural resource potential» (grant 1.35 ) and Fundação para a Ciência e Tecnologia (FCT), Lisbon, Portugal and to FEDER for financial support to Centro de Investigação em Química, University of Porto through the project Pest-C/QUI/UI0081/2011 and PTDC/aac-amb/121161/2010 , Ana S. M. C. Rodrigues acknowledge the financial support from Fundação para a Ciência e a Tecnologia for the award of research grant with reference, SFRH/BD/81261/2011 . Thanks are due to the support from the COST Action CM1206 . Eugene Paulechka and Andrey Blokhin are grateful to Aliaksei Strechan for his help in calorimetric measurements on [C 14 mim][NTf 2 ]. This article is, in part, a contribution of NIST, and is not subject to copyright in the United States for the author E. P. Trade names are provided only to specify procedures adequately and do not imply endorsement by the National Institute of Standards and Technology. Similar products by other manufacturers may be found to work as well or better.
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