Density of the 1,2-dichloroethane + 2-methoxyethanol or 1,2-dimethoxyethane binary mixtures have been measured at different temperatures over the complete composition range. Several experimental measurements have been used to check the validity of the relationships accounting for the dependence of the density on temperature and composition, useful to obtain interpolated values in correspondence of the experimental data gaps. Starting from the primary data, some derived quantities, such as partial molar volumes, excess and partial excess molar volumes, have been obtained. In these mixtures, V-E is always positive for DCE + ME binaries, while an S-shaped dependence on composition at each temperature is obtained in DCE + DME system, showing positive values in the DCE rich-region and negative values at the opposite extreme. The results are compared and discussed to shed some light to the changes in molecular association and structural effects in these binary solvent systems.

Densities and excess molar volumes of binary mixtures containing 1,2-dichloroethane + 2-methoxyethanol or 1,2-dimethoxyethane at different temperatures / M., Manfredini; Marchetti, Andrea; S., Sighinolfi; Tassi, Lorenzo; Ulrici, Alessandro; M., Vignali. - In: JOURNAL OF MOLECULAR LIQUIDS. - ISSN 0167-7322. - ELETTRONICO. - 100:2(2002), pp. 163-181. [10.1016/S0167-7322(02)00015-6]

Densities and excess molar volumes of binary mixtures containing 1,2-dichloroethane + 2-methoxyethanol or 1,2-dimethoxyethane at different temperatures

MARCHETTI, Andrea;TASSI, Lorenzo;ULRICI, Alessandro;
2002

Abstract

Density of the 1,2-dichloroethane + 2-methoxyethanol or 1,2-dimethoxyethane binary mixtures have been measured at different temperatures over the complete composition range. Several experimental measurements have been used to check the validity of the relationships accounting for the dependence of the density on temperature and composition, useful to obtain interpolated values in correspondence of the experimental data gaps. Starting from the primary data, some derived quantities, such as partial molar volumes, excess and partial excess molar volumes, have been obtained. In these mixtures, V-E is always positive for DCE + ME binaries, while an S-shaped dependence on composition at each temperature is obtained in DCE + DME system, showing positive values in the DCE rich-region and negative values at the opposite extreme. The results are compared and discussed to shed some light to the changes in molecular association and structural effects in these binary solvent systems.
2002
100
2
163
181
Densities and excess molar volumes of binary mixtures containing 1,2-dichloroethane + 2-methoxyethanol or 1,2-dimethoxyethane at different temperatures / M., Manfredini; Marchetti, Andrea; S., Sighinolfi; Tassi, Lorenzo; Ulrici, Alessandro; M., Vignali. - In: JOURNAL OF MOLECULAR LIQUIDS. - ISSN 0167-7322. - ELETTRONICO. - 100:2(2002), pp. 163-181. [10.1016/S0167-7322(02)00015-6]
M., Manfredini; Marchetti, Andrea; S., Sighinolfi; Tassi, Lorenzo; Ulrici, Alessandro; M., Vignali
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/303855
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