The heat capacities of aqueous solutions containing the reciprocal system K/Na/Cl/SO4 have been determined in the temperature range 333 - 493 K and for overall concentrations included between 0.5 and 5 molal. Experimental data are compared with those calculated both through, the Pitzer's semiempirical equations, neglecting mixed interactions terms, and through the empirical Young's rule. A fair agreement is observed only for moderate values of T and m, at which the two procedures yield comparable results.
Heat capacities of aqueous mixed electrolyte solutions at high temperature. The reciprocal system potassium/sodium/chloride/sulfate between 323 and 493 K
CONTI, GIOVANNI;GIANNI, PAOLO ANGELO;TINE', MARIA ROSARIA
1985-01-01
Abstract
The heat capacities of aqueous solutions containing the reciprocal system K/Na/Cl/SO4 have been determined in the temperature range 333 - 493 K and for overall concentrations included between 0.5 and 5 molal. Experimental data are compared with those calculated both through, the Pitzer's semiempirical equations, neglecting mixed interactions terms, and through the empirical Young's rule. A fair agreement is observed only for moderate values of T and m, at which the two procedures yield comparable results.File in questo prodotto:
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