Molar excess volumes of 1,4-dioxane+ acetonitrile,n-butylamine+acetonitrile andn-butylamine+1,4-dioxane at different temperatures |
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| Authors: | Cecilia R de Schaefer Franco Davolip Miguel Katz |
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| Institution: | (1) Cátedra de Fisicoquímica, Instituto de Ingeniería Química, Facultad de Ciencias Exactas y Tecnología, U.N. de Tucumán, Av. Independencia 1800, (4000) Tucumán, R. Argentina |
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| Abstract: | Molar excess volumes and partial molar volumes are reported for binary mixtures of 1,4-dioxane + acetonitrile, n-butylamine + acetonitrile and n-butylamine + 1,4-dioxane at five different temperatures and over the complete concentration range. The Prigogine-Flory-Patterson model of solution thermodynamics has been used to predict the excess molar volumes. This work shows the importance of the three contributions: interactional, internal pressure and free volume, to the excess volume. |
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| Keywords: | Molar excess volumes densities 1 4-dioxane + acetonitrile system n-butylamine + acetonitrile system n-butylamine + 1 4-dioxane system Prigogine-Flory-Patterson model |
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