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Simultaneous Correlation Of Excess Gibbs Energy And Enthalpy Of Mixing By The Uniquac Equation, Yaşar Demirel, Hatice Gecegörmez
Simultaneous Correlation Of Excess Gibbs Energy And Enthalpy Of Mixing By The Uniquac Equation, Yaşar Demirel, Hatice Gecegörmez
Papers in Analytical Chemistry
Using data for excess Gibbs energy gh and enthalpy of mixing hE, temperature dependent parameters of the UNlQUAC equation have been estimated for twenty four systems of binary mixtures. Fifteen of them include data for gh and hE at more than one isotherm. These parameters are later tested in predicting the gh and hE data simultaneously and representing the effect of temperature on such data. The UNIQUAC equation with temperature dependent parameters represents larger values of maximum heat of mixing than does the UNlQUAC equation with the parameters independent of temperature.