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Volumetric properties of the (tetrahydrofuran + water) and (tetra-n-butyl ammonium bromide + water) systems: Experimental measurements and correlations

Veronica Belandria 1 Amir H. Mohammadi 1 Dominique Richon 1, *
* Corresponding author
1 CEP/Fontainebleau
CEP - Centre Énergétique et Procédés
Abstract : In this communication, we report experimental density data for the binary mixtures of (water + tetrahydrofuran) and (water + tetra-n-butyl ammonium bromide) at atmospheric pressure and various temperatures. The densities were measured using an Anton Paar (TM) digital vibrating-tube densimeter. For the (tetrahydrofuran + water) system, excess molar volumes have been calculated using the experimental densities and correlated using the Redlich-Kister equation. The Redlich-Kister equation parameters have been adjusted on experimental results. The partial molar volumes and partial excess molar volumes at infinite dilution have also been calculated for each component. A simple density equation was finally applied to correlate the measured density of the (tetra-n-butyl ammonium bromide + water) system.
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Submitted on : Friday, August 13, 2010 - 3:44:55 PM
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Veronica Belandria, Amir H. Mohammadi, Dominique Richon. Volumetric properties of the (tetrahydrofuran + water) and (tetra-n-butyl ammonium bromide + water) systems: Experimental measurements and correlations. Journal of Chemical Thermodynamics, Elsevier, 2009, 41 (12), pp.1382-1386. ⟨10.1016/j.jct.2009.06.014⟩. ⟨hal-00509618⟩

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