Densities and Viscosities of Binary and Ternary Mixtures of Ethanol, 2-Butanone, and 2,2,4-Trimethylpentane at <i>T</i> = (298.15, 308.15, and 318.15) K

Abstract

Densities and viscosities of the ternary mixture ethanol + 2-butanone + 2,2,4-trimethylpentane and the binary mixtures ethanol + 2-butanone, ethanol + 2,2,4-trimethylpentane, and 2-butanone + 2,2,4-trimethylpentane were measured at T = (298.15, 308.15, and 318.15) K and atmospheric pressure over the whole composition range. Densities were determined using a vibrating-tube densimeter. Viscosities were measured with an automatic Ubbelohde capillary viscometer. Excess molar volumes V E and deviations in viscosity Δ η for the mixtures were derived from experimental data. The binary data were correlated with liquid composition by using the Redlich−Kister equation. For the ternary data, several polynomial equations have been tested to minimize the set of parameters for adequate correlation.