Thermodynamic Properties of the Mixture Acetone + Methanol + n-Octane at 25°C |
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Authors: | M. Iglesias B. Orge G. Marino M. M. Piñeiro J. Tojo |
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Affiliation: | 1. Departamento de Ingeniería Química, Facultad de Ciencias, Universidad de Vigo, 36200, Vigo, Spain 2. Departamento de Física Aplicada, Facultad de Ciencias, Universidad de Vigo, 36200, Vigo, Spain
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Abstract: | Mixing properties of the ternary mixture acetone + methanol + n-octane have been determined experimentally under standard conditions. Sound velocity, densities, and refractive indexes were measured as functions of composition. Excess molar volumes, changes of refractive indexes, and changes of isentropic compressibilities on mixing were computed from the experimental data. The Peng–Robinson and Soave–Redlich–Kwong equations of state were applied with three different mixing rules to correlate binary excess volumes and then to predict the excess magnitudes in ternary mixtures. Reliable representations of the experimental data were obtained. |
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