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Monatshefte für Chemie / Chemical Monthly

, Volume 110, Issue 1, pp 177–190 | Cite as

Phasengleichgewichte und Stoffwerte im System 1,2-Dichlorethan/n-Propanol/Wasser

  • Franz Gölles
  • Franz Still
Anorganische, Struktur- und Physikalische Chemie

Phase equilibria and constants for the system 1,2-dichloroethane/n-propanol/water

Abstract

Liquid-liquid equilibria of the ternary system 1,2-dichloroethane/n-propanol/water were measured at 20, 30, and 40 °C. In the plot of the system for 20 °C are shown the results of “titration” (i. e. addition of increasing quantities of water resp. 1,2-dichloroethane to the homogenous mixture of the other components). These results geree well with the plot of extraction results.

The binary homogeneous systemsn-propanol/water andn-propanol/1,2-dichloroethane exhibit an non-ideal behaviour. Vapor-liquid equil. of these systems were measures at 133.32 and 666.6 mbar (100 and 500 Torr). The azeotropic points at these pressures are in good agreement with the literature.

In addition to this, measurements of the values of surface-tension, viscosity and refractive index were performed.

Aqueous solutions ofn-propanol can be determined by the micromethod ofR. Fischer.

Keywords

Halogenated hydrocarbons Liquid-liquid equilibria Liquid-vapour equilibria Phase equilibria Thermodynamics 

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Copyright information

© Springer-Verlag 1979

Authors and Affiliations

  • Franz Gölles
    • 1
    • 2
  • Franz Still
    • 1
    • 2
  1. 1.Institut für Grundlagen der VerfahrenstechnikTechnische Universität GrazGrazÖsterreich
  2. 2.Institut für PharmakognosieUniversität GrazGrazÖsterreich

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