Thermophysical behaviour of Diethyl carbonate (cas 105-58-8) + ether binary mixtures at T = (303.15, 308.15 and 313.15) K

Add time:08/14/2019    Source:sciencedirect.com

The density, viscosity and ultrasonic velocity have been measured for the binary mixtures of diethyl carbonate + butyl vinyl ether, +diisopropyl ether, +anisole, and +dibutyl ether at T = (303.15, 308.15 and 313.15) K. The experimental data have been used to calculate the excess molar volume VmE, deviation in viscosity Δη and the acoustical parameters namely isentropic compressibility (Ks), free volume (Vf), free length (Lf), and internal pressure (πi). The theoretical viscosities have been evaluated using Grunberg-Nissan, Lobe and Krishnan-Laddha models and the relative merits are studied in terms of the interaction parameters. The excess or deviation properties have also been evaluated and fitted to the Redlich-Kister polynomials and the results are interpreted in terms of molecular interactions present in mixtures.

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