Association in carboxylic Acid - Aliphatic alcohol mixtures: The binary mixtures of formic acid with n-Butanol, n-Hexanol, n-Octanol, and n-Dodecanol

Alexander Apelblat, Abraham Tamir, Moshe Moshe Wagner

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Total vapor pressures have been measured by the isoteniscope method in the following systems: formic acid + butanol, formic acid + hexanol and formic acid + dodecanol in the 298.15 - 318.15 K temperature range and in the formic acid + octanol system in the 293.15 - 318.15 K range. The excess Gibbs energy of mixing, activity coefficients and composition of thevapor phase were derived by a numerical integration of the Gibbs-Duhem equation taking into consideration the dimerization of formic acid in the vapor phase and the nonideality of the gaseousmixture.

Original languageEnglish
Pages (from-to)1-8
Number of pages8
JournalZeitschrift fur Physikalische Chemie
Volume134
Issue number1
DOIs
StatePublished - 1 Jan 1983

Keywords

  • Aliphatic alcohols
  • Association vapor pressures
  • Formic acid

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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