Static dielectric constants (epsilon) have been measured for pure 1,2-dichloroethane, 1,2-dimethoxyethane, and for 9 of theirs binary mixtures over the entire composition range and at 19 temperatures ranging from -10 up to +80 degrees C. The experimental data have been fitted by some empirical or quasi-theoretical equations of the type epsilon=epsilon(T), epsilon=epsilon(X(1)), and epsilon=epsilon(T,X(1)). Furthermore, the shift from ideality has been taken into account and evaluated on the basis of excess function epsilon(E) Positive deviations are detected at all experimental conditions, and a maximum occurs in the excess quantity, showing the existence of a stable solvent-cosolvent complex adduct at the stoichiometric ratio DCE : DME = 1 : 1, which may be interpreted in terms of moderately weaker interactions such as dipolarity and polarizability between dissimilar molecules.

Static dielectric constants of 1,2-dichloroethane + 1,2-dimethoxyethane binary mixtures / F., Corradini; Marchetti, Andrea; M., Tagliazucchi; Tassi, Lorenzo. - In: ANNALI DI CHIMICA. - ISSN 0003-4592. - ELETTRONICO. - 85:(1995), pp. 531-541.

Static dielectric constants of 1,2-dichloroethane + 1,2-dimethoxyethane binary mixtures

MARCHETTI, Andrea;TASSI, Lorenzo
1995

Abstract

Static dielectric constants (epsilon) have been measured for pure 1,2-dichloroethane, 1,2-dimethoxyethane, and for 9 of theirs binary mixtures over the entire composition range and at 19 temperatures ranging from -10 up to +80 degrees C. The experimental data have been fitted by some empirical or quasi-theoretical equations of the type epsilon=epsilon(T), epsilon=epsilon(X(1)), and epsilon=epsilon(T,X(1)). Furthermore, the shift from ideality has been taken into account and evaluated on the basis of excess function epsilon(E) Positive deviations are detected at all experimental conditions, and a maximum occurs in the excess quantity, showing the existence of a stable solvent-cosolvent complex adduct at the stoichiometric ratio DCE : DME = 1 : 1, which may be interpreted in terms of moderately weaker interactions such as dipolarity and polarizability between dissimilar molecules.
1995
85
531
541
Static dielectric constants of 1,2-dichloroethane + 1,2-dimethoxyethane binary mixtures / F., Corradini; Marchetti, Andrea; M., Tagliazucchi; Tassi, Lorenzo. - In: ANNALI DI CHIMICA. - ISSN 0003-4592. - ELETTRONICO. - 85:(1995), pp. 531-541.
F., Corradini; Marchetti, Andrea; M., Tagliazucchi; Tassi, Lorenzo
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/307162
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