Abstract
A comparison is made between theoretical and experimental studies of the position of eutectics in two-component systems consisting of tetrachlorethylene and n-alkanes with 10 to 20 carbon atoms. Data on the composition of the eutectics, their temperatures of melting, and the coefficients of activity of each component are calculated in three ways: using experimental data, the UNIFAC procedure, and a modified UNIFAC Dortmund procedure. The equilibria of liquid–solid phases are studied theoretically using Schröder’s equation and the UNIFAC and modified UNIFAC Dortmund procedure. Experimental data were obtained via DTA. Relative deviations of the calculated melting temperatures and compositions of the eutectics from the corresponding experimental data are reported.
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The authors are grateful to S.I. Yakovleva for her help in preparing and formatting the article.
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Yakovlev, I.G., Garkushin, I.K. & Kolyado, A.V. Coefficients of Activity in Tetrachloroethylene–n-Alkane Systems. Russ. J. Phys. Chem. 95, 1990–1995 (2021). https://doi.org/10.1134/S0036024421100307
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DOI: https://doi.org/10.1134/S0036024421100307