Thermodynamic properties of imidazolium-based ionic liquids: Densities, heat capacities, and enthalpies of fusion of [bmim][PF6] and [bmim][NTf2]

Jacobo Troncoso, Claudio A. Cerdeiriña, Yolanda A. Sanmamed, Luís Romaní, Luís Paulo N. Rebelo

Research output: Contribution to journalArticle

222 Citations (Scopus)

Abstract

Experimental densities, isobaric heat capacities, and enthalpies of fusion for one sample of 1-butyl-3-methylimidazolium hexafluorophosphate, [bmim][PF6], and two samples of 1-butyl-3-methylimidazolium bis-(trifluoromethylsulfonyl)imide, [bmim][NTf2], are reported. Data were obtained at atmospheric pressure and, in the case of the density and the heat capacity, within the temperature intervals (283.15 to 323.15) K and (278.15 to 333.15) K for [bmim[PF6] and [bmim][NTf2], respectively. A critical analysis of the effect of impurities on the measured thermodynamic properties is performed.

Original languageEnglish
Pages (from-to)1856-1859
Number of pages4
JournalJournal of Chemical and Engineering Data
Volume51
Issue number5
DOIs
Publication statusPublished - 1 Sep 2006

Keywords

  • Ionic liquids
  • Binary mixtures
  • Pure ionic

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