Evaluated activity and osmotic coefficients for aqueous solutions: bi-univalent compounds of lead, copper, manganese, and uranium
- 1 October 1979
- journal article
- conference paper
- Published by AIP Publishing in Journal of Physical and Chemical Reference Data
- Vol. 8 (4) , 1005-1050
- https://doi.org/10.1063/1.555611
Abstract
A critical evaluation of the mean activity and osmotic coefficients in aqueous solutions of twelve bi-univalent compounds of lead, copper, manganese and uranium at 298.15 K is presented. Osmotic coefficients were calculated from direct vapor pressure measurements, from isopiestic measurements and and from freezing point depression measurements. Activity coefficients were calculated from electromotive force measurements on galvanic cells without transference. Given are empirical coefficients for three different correlating equations, obtained by a weighted least squares fit of the experimental data, and tables consisting of the activity coefficients of the compounds, the osmotic coefficients and activity of water, and the excess Gibbs energy of the solution as functions of the molality for each electrolyte system. The literature coverage is through the computerized version of Chemical Abstracts of April 1979.Keywords
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