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Vapour-Liquid Equilibrium for the Binary System Dimethylformamide—Ethylene Glycol

E. Graczová and J. Surový

Department of Chemical and Biochemical Engineering, Faculty of Chemical and Food Technology, Slovak University of Technology, SK-812 37 Bratislava

 

E-mail: graczova@chtf.stuba.sk

Received: 2 April 2001

Abstract: Vapour-liquid equilibrium data are given for the binary system dimethylformamide|ethylene glycol at 30ºC, 40ºC, and 50ºC. The data have been measured by a di erential semimicromethod. The dependence of the excess Gibbs energy on composition was expressed by the 4th-order Redlich— Kister, two-constant Margules, and NRTL equations. The system has negative deviations from ideal behaviour.

Full paper in Portable Document Format: 556a386.pdf

 

Chemical Papers 55 (6) 386–390 (2001)

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