Excess molar volumes of (benzene+isopropylbenzene, or 1,3,5-trimethylbenzene, or 1,2,4-trimethylbenzene) at temperatures between 298.15 K and 328.15 K

Excess molar volumes of (benzene+isopropylbenzene, or 1,3,5-trimethylbenzene, or 1,2,4-trimethylbenzene) at temperatures between 298.15 K and 328.15 K

L. Morávková,J. Linek;L. Morávková;J. Linek;
The Journal of Chemical Thermodynamics 2003 Vol. 35 pp. 1139-1149
179
linek2003theexcess

Abstract

The densities of (benzene + isopropylbenzene, or 1,2,4-trimethylbenzene, or 1,3,5-trimethylbenzene) were measured at temperatures (298.15, 308.15, 318.15, and 328.15) K by means of a vibrating-tube densimeter. The excess molar volumes VmE calculated from the density data provide the temperature dependence of VmE in the temperature range of (298 to 328) K. The VmE results were correlated using the fourth-order Redlich–Kister equation, with the maximum likelihood principle being applied for the determination of the adjustable parameters. It was found that the deviations from ideal behaviour in the systems studied (all being positive) decrease with increasing temperature.

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271384
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10.1016/s0021-9614(03)00077-6
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