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The Journal of Argentine Chemical Society
versión On-line ISSN 1852-1428
Resumen
ALVAREZ JULIA, J.; BARRERO, C.R.; GRANDE, M. del C. y MARSCHOFF, C.M.. On the use of the NRTL method for calculation of liquid-liquid equilibria in ternary systems. J. Argent. Chem. Soc. [online]. 2008, vol.96, n.1-2, pp.22-32. ISSN 1852-1428.
Application of the NRTL method to experimental data obtained on several systems at different temperatures shows that the energy parameter set that minimizes the objective function at a given temperature, T1, can be used for estimating phase compositions at other T values without serious error. It is concluded that this approach should be preferred to the use of interpolated or extrapolated gij values.
Palabras clave : Thermodynamics; Liquid-liquid equilibria; NRTL method.