Chem. J. Chinese Universities ›› 1991, Vol. 12 ›› Issue (6): 799.

• Articles • Previous Articles     Next Articles

Salt Effect of Vapor-Liquid Equilibrium in the System of Formic Acid-Acetic Acid-Water Containing Magnesium Chloride

Xu Qin-tang, Luo Ru-yi, Kang Hong-ye, Li Xi, Jiang Fu-ming   

  1. Department of Chemistry, Jilin University, Changchun, 130023
  • Received:1989-11-01 Online:1991-06-24 Published:1991-06-24

Abstract: Using the apparatus--the Otsuiki-Williams still, the vapor-liquid equilibrium data for the systems of formic acid-water, acetic acid-water, formic acid-acetic acid, formic acid-acetic acidwater with and without salt were measured, respectively. Isobaric vapor-liquid equilibrium phase diagrams at the pressure of 9.866×104 Pa for these systems are ploted. The results obtained show the salt effect is obvious in all cases.

Key words: Vapor-liquid equilibrium, Salt effect, Formic acid-acetic acid-water system

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