Volumetric and acoustic studies of binary liquid mixtures of dipropylene glycol dimethyl ether with methyl acetate, ethyl acetate and n-Butyl acetate in the temperature range T = (288.15, 293.15, 298.15, 303.15, and 308.15) K

摘要

Densities and ultrasonic speeds have been measured over the whole composition range for binary liquid mixtures of dipropylene glycol dimethyl ether, CH_3(OC_3H_6)_2OCH_3, with methyl acetate, ethyl acetate, and n-butyl acetate using an Anton Paar DSA 5000 M density and speed sound analyzer at T = (288.15, 293.15, 298.15, 303.15, and 308.15) K and atmospheric pressure in order to evaluate the behavior of these binaries. From these data excess the molar volume, V m E, and deviation in isentropic compressibility, a??κ S, have been calculated. These excess properties have been fitted with the Redlich-Kister type polynomial equation to get their coefficients and standard deviations which provide a base for discussing the forces operating in solutions.