Abstract
Ternary excess molar enthalpies at T=298.15 K and P=101.3 kPa for the system of {1,2-dichloropropane+2-propanol+2-butanol} and their constituent binary systems {1,2-DCP+2-propanol}, {1,2-DCP+2-butanol}, and {2-propanol+2-butanol} have been measured over the whole composition range using an isothermal micro-calorimeter with flow-mixing cell. All of the binary and ternary systems, including three pseudobinary systems, show endothermic behavior except for the binary mixture {2-propanol+2-butanol}, which shows small exothermicity. The Redlich-Kister equation was used to correlate the binary H E m, ij data, and the Morris equation to correlate the ternary H E m, 123 data. Comparisons between the Morris and Radojkovi equations for the prediction of H E m,123 have been also made. The experimental results have been qualitatively discussed in terms of self-association, isomeric effect and chain length among molecules.
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Kim, MG. Excess molar enthalpies of ternary and constituent binary systems {1,2-dichloropropane+2-propanol+2-butanol} at T=298.15 K. Korean J. Chem. Eng. 29, 1253–1258 (2012). https://doi.org/10.1007/s11814-012-0045-9
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DOI: https://doi.org/10.1007/s11814-012-0045-9