Abstract
Densities, viscosities, refractive indexes, and surface tensions of the ternary system (ethanol + benzyl acetate + benzyl alcohol) at T = 303.15 K and its constituent binary systems (ethanol + benzyl acetate, ethanol + benzyl alcohol, and benzyl acetate + benzyl alcohol) at T = (293.15, 303.15, 313.15, and 323.15) K were measured under atmospheric pressure. Densities were determined using a vibrating-tube densimeter. Viscosities were measured with an automatic microviscometer based on the rolling-ball principle. Refractive indexes were measured using a digital Abbe-type refractometer. Surface tensions were determined by the Wilhelmy-plate method. From these data, excess molar volumes, deviations in viscosity, deviations in refractive index, and deviations in surface tension were derived. The results for the binary and ternary systems were fitted to the Redlich–Kister equation and the Cilbuka equation, respectively. The excess molar volumes and deviations in viscosity are used to study the nature of mixing...
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