Thermodynamic excess properties of 3,5- and 2,6-dimethylpyridine with cyclohexane measurement and prediction
1 Laboratoire de thermodynamique des mèlanges organiques, Facultè de chimie, USTHB, B.P 32, El-Alia, 16111, Bab Ezzouar, Algeria
2 Laboratoire de chimie analytique I, Université Claude Bernard (Lyon I), 43 Boulevard du 11 novembre 1918,Bât.Raulin/2, 69622, Villeurbanne Cedex, France
The vapour pressures of liquid (3,5; 2,6)-dimethylpyridine with cyclohexane mixtures were measured by a static method in the range of 283.15–353.15 K. The pure components vapour pressures data and those of the mixtures were correlated with the Antoine equation. The molar excess Gibbs energies, calculated from the vapour–liquid equilibrium data compared satisfactorily with group contribution method (DISQUAC).
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