Thermodynamics of sodium diclofenac salt aqueous solutions at various temperatures

Enthalpies of solution and dilution of aqueous solutions of sodium diclofenac salt were measured by isoperibolic calorimeter at 293.15, 298.15, 303.15, 308.15 and 318.15 K. The concentration of the electrolyte was restricted to solubility salt at various temperatures and did not exceed 0.035-0.057 m...

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Published inJournal of thermal analysis and calorimetry Vol. 90; no. 1; pp. 147 - 152
Main Authors Manin, N. G., Fini, A., Manin, A. N., Perlovich, G. L.
Format Journal Article
LanguageEnglish
Published 01.10.2007
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Summary:Enthalpies of solution and dilution of aqueous solutions of sodium diclofenac salt were measured by isoperibolic calorimeter at 293.15, 298.15, 303.15, 308.15 and 318.15 K. The concentration of the electrolyte was restricted to solubility salt at various temperatures and did not exceed 0.035-0.057 mol kg values depending on the studied temperature. The virial coefficients were derived from Pitzer's model and the excess thermodynamic functions of both the solution and the components of the solution were calculated. The analysis of thermodynamic characteristics of the solution from concentration and temperatures was carried out and discussed.
Bibliography:SourceType-Scholarly Journals-2
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ISSN:1388-6150
1572-8943
DOI:10.1007/s10973-006-7627-x