Densities, refractive indices, and speeds of sounds at 298.15 K, and isobaric vapor-liquid equilibria data at 101.3 kPa were reported for the binary mixtures containing methanol + ethyl butyrate and vinyl acetate + ethyl butyrate. Excess molar volumes, refractive index deviations, and changes of speed sound on mixing were calculated from the measurement results and fitted with Redlich-Kister polynomials. VLE experimental data were satisfactorily tested for thermodynamic consistency by means of a modified Dechema test. The activity coefficients were correlated with the Margules, van Laar, UNIQUAC, NRTL, and Wilson equations. The ASOG model was also used for prediction.
Densities and refractive indices of binary mixtures containing soybean oil + (methanol, ethanol, 1-propanol, 2-propanol, or 1-butanol) have been measured from 283.15 to 298.15 K at atmospheric pressure, over the complete homogeneous composition range. Derived properties, such as excess molar volumes, partial excess molar volumes, and excess isobaric compressibilities, have been determined. Values of physical properties were compared with the results obtained by different prediction methods; the results were analyzed according to the non-ideality and large differences of molecular characteristics of the compounds included in this study.
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