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Apparent Molar Volumes of Some Sodium Sulfonamides in Water at Several Molalities and Temperatures

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Abstract

In this article, measured densities of aqueous solutions of sodium sulfadiazine, sodium sulfamerazine and sodium sulfamethazine are reported as a function of molality from 0.0500 to 0.5000 mol⋅kg−1 and as a function of temperature at (278.15, 283.15, 288.15, 293.15, 298.15, 303.15, 308.15 and 313.15) K. The apparent molar volumes, partial molar volumes at infinite dilution and partial molar expansibilities were calculated. The dependence of these properties upon temperature is shown. The results are interpreted in terms of solute-solvent interactions.

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Acknowledgements

We thank the DIB-DINAIN of the Universidad Nacional de Colombia (UNC) for financial support and the Department of Pharmacy of UNC for facilitating the required equipment and laboratory.

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Correspondence to Fleming Martínez.

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Delgado, D.R., Vargas, E.F. & Martínez, F. Apparent Molar Volumes of Some Sodium Sulfonamides in Water at Several Molalities and Temperatures. J Solution Chem 40, 1955–1963 (2011). https://doi.org/10.1007/s10953-011-9765-4

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  • DOI: https://doi.org/10.1007/s10953-011-9765-4

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