Thermodynamics of liquid mixtures of xenon with alkanes: (Xenon + n-butane) and (xenon + isobutane)

Eduardo J. M. Filipe*, Luís F. G. Martins, Jorge C. G. Calado, Clare McCabe, George Jackson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

52 Citations (Scopus)

Abstract

The total vapor pressure of liquid mixtures of (xenon + n-butane) has been measured at 182.34 and 195.49 K, and of (xenon + isobutane) at 195.49 K. The liquid molar volumes have also been measured at 182.34 K for both systems. The mixtures follow the behavior already found for other (xenon + alkane) mixtures, i.e., negative deviations from Raoult's law, negative excess molar Gibbs energies (GmE) and negative excess molar volumes (VmE) . The excess molar enthalpy (HmE) is approximately zero in the case of (xenon + n-butane) . The results were interpreted using the statistical association fluid theory for potentials of variable attractive range (SAFT-VR) . This study provides further evidence that the (xenon + n-alkane) mixtures can be thought of as a particular case of mixtures of n-alkanes.

Original languageEnglish
Pages (from-to)1322-1325
Number of pages4
JournalJournal of Physical Chemistry B
Volume104
Issue number6
DOIs
Publication statusPublished - 1 Feb 2000

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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