Collect. Czech. Chem. Commun. 2000, 65, 1471-1486

Phase Equilibria in 4-Methylpentan-2-one-Water and 4-Methylpentan-2-one-4-Methylpentan-2-ol Systems and Their Thermodynamic Description

Karel Řeháka,*, Jaroslav Matouša, Josef P. Nováka and Andreas Heintzb

a Department of Physical Chemistry, Prague Institute of Chemical Technology, Technická 5, CZ-166 28 Prague 6, Czech Republic
b Department of Physical Chemistry, University of Rostock, Hermannstr. 14, D-18051 Rostock, Germany


Liquid-liquid equilibrium and excess enthalpies at 25, 40 and 60 °C were measured for the 4-methylpentan-2-one-water system. Vapour-liquid equilibrium at 115 °C and 99.96 kPa, and excess enthalpies at 25, 40 and 60 °C were determined for the 4-methylpentan-2-one- 4-methylpentan-2-ol system. The data obtained were correlated together with those given in literature using the superposition of the Wilson and Redlich-Kister equation. The correlation procedure utilised also the data on excess enthalpy measured in a heterogeneous region.

Keywords: Liquid-liquid equilibrium; Vapour-liquid equilibrium; Excess enthalpy; Ketones; 4-Methylpentan-2-one; 4-Methylpentan-2-ol; Water; Chemical thermodynamics.

References: 31 live references.