Vapour-liquid equilibria of butyl acetate with aromatic hydrocarbons at 298.15K

S. Maken, B. R. Deshawl, Anu, K. C. Singh, S. J. Park, J. W. Park

Research output: Contribution to journalArticle

4 Citations (Scopus)


Vapour pressures of butyl acetate + benzene or toluene or o- or m- or p-xylene were measured by static method at 298.15 ± 0.01 K over the entire composition range. The activity coefficients and excess molar Gibb's free energies of mixing (GE) for these binary mixtures were calculated by fitting vapour pressure data to the Redlich-Kister equation using Barker's method of minimizing the residual pressure. The GE values for the binary mixtures containing benzene are positive; while these are negative for toluene, ortho, meta and para xylene system over the whole composition range. The GE values of an equimolar mixture for these systems vary in the order: benzene > m-xylene > o-xylene > p-xylene > toluene.

Original languageEnglish
Pages (from-to)149-156
Number of pages8
JournalPhysics and Chemistry of Liquids
Issue number2
Publication statusPublished - 2005 Apr

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Materials Chemistry

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