Volumetric properties of the (tetrahydrofuran + water) and (tetra-n-butyl ammonium bromide + water) systems: Experimental measurements and correlations |
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Authors: | Veronica Belandria Amir H. Mohammadi Dominique Richon |
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Affiliation: | MINES ParisTech, CEP/TEP – Centre Energétique et Procédés, 35 Rue Saint Honoré, 77305 Fontainebleau, France |
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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™ 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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Keywords: | Tetrahydrofuran Tetra-n-butyl ammonium bromide Water Density Excess molar volume |
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