Association in carboxylic acid-aliphatic alcohol mixtures

Alexander Apelblat; Abraham Tamir; Moshe Wagner

doi:10.1524/zpch.1983.137.2.129

Association in carboxylic acid-aliphatic alcohol mixtures

Alexander Apelblat, Abraham Tamir, Moshe Wagner

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

Total vapour pressures have been measured by the isoteniscope method in the acetic +n-butanol, acetic acid + n-hexanol and acetic acid + n-dodecanol systems in the 298.15-318.15K temperature range and in the acetic aicd + n-octanol in the 293.15-318.15 K range.The excess Gibbs energy of mixing G^E and the composition of the vapour phase were evaluated by numerical integration of the Gibbs-Duhem equation taking into consideration the dimerization of acetic acid in the vapour phase and the nonideality of the gaseous mixture.Obtained results were compared with the corresponding data determined previously for formic acid + aliphatic alcohol systems.

Original language	English
Pages (from-to)	129-137
Number of pages	9
Journal	Zeitschrift fur Physikalische Chemie
Volume	137
Issue number	2
DOIs	https://doi.org/10.1524/zpch.1983.137.2.129
State	Published - 1 Jan 1983

Keywords

Acetic acid
Aliphatic alcohols
Association
Vapour pressures

ASJC Scopus subject areas

Physical and Theoretical Chemistry

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10.1524/zpch.1983.137.2.129

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N2 - Total vapour pressures have been measured by the isoteniscope method in the acetic +n-butanol, acetic acid + n-hexanol and acetic acid + n-dodecanol systems in the 298.15-318.15K temperature range and in the acetic aicd + n-octanol in the 293.15-318.15 K range.The excess Gibbs energy of mixing GE and the composition of the vapour phase were evaluated by numerical integration of the Gibbs-Duhem equation taking into consideration the dimerization of acetic acid in the vapour phase and the nonideality of the gaseous mixture.Obtained results were compared with the corresponding data determined previously for formic acid + aliphatic alcohol systems.

AB - Total vapour pressures have been measured by the isoteniscope method in the acetic +n-butanol, acetic acid + n-hexanol and acetic acid + n-dodecanol systems in the 298.15-318.15K temperature range and in the acetic aicd + n-octanol in the 293.15-318.15 K range.The excess Gibbs energy of mixing GE and the composition of the vapour phase were evaluated by numerical integration of the Gibbs-Duhem equation taking into consideration the dimerization of acetic acid in the vapour phase and the nonideality of the gaseous mixture.Obtained results were compared with the corresponding data determined previously for formic acid + aliphatic alcohol systems.

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Association in carboxylic acid-aliphatic alcohol mixtures

Abstract

Keywords

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