Add time:08/26/2019         Source:sciencedirect.com

Excess molar enthalpies, measured at 298.15 K in a flow microcalorimeter, are reported for the ternary mixtures (n-heptane + methyl tert-butyl ether + di-n-propyl ether) and (n-decane + methyl tert-butyl ether + di-n-propyl ether). Smooth representations of the results are described and used to construct constant excess molar enthalpy contours on Roozeboom diagrams. It is shown that good estimates of the excess enthalpies of the ternary mixtures can be obtained from the Flory theory, using only the physical properties of the components and their binary mixtures.

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