EXCESS-ENTHALPIES OF ((HEPTANE OR DECANE) PLUS METHYL 1,1-DIMETHYLETHYL ETHER PLUS DIISOPROPYL ETHER) AT THE TEMPERATURE 298.15-K

Calorimetric measurements of excess molar enthalpies at the temperatur e 298.15 K are reported for the ternary mixtures [x(1)CH(3)(CH2)(v-2)C H3 + x(2)(CH3)(3)COCH3 + (1 - x(1) - x(2)){(CH3)(2)CH}(2)O] with v = 7 and 10. Smooth representations of the results are described and used to construct constant-enthalpy contours on Roozeboom diagrams. Compari sons with estimates based on the Flory theory are also presented. (C) 1997 Academic Press Limited.