Zusammenfassung
Ionic hydration and assocn. are included in the MSA-NRTL model for a description of the thermodn. properties of aq. ionic solns. Hydration effects are introduced using the classic model of Robinson and Stokes, in which hydration nos. are independent of salt concn. Assocn. is accounted for through a mass action law. New compact conversion formulas are given expressing the individual ionic, and ...
Zusammenfassung
Ionic hydration and assocn. are included in the MSA-NRTL model for a description of the thermodn. properties of aq. ionic solns. Hydration effects are introduced using the classic model of Robinson and Stokes, in which hydration nos. are independent of salt concn. Assocn. is accounted for through a mass action law. New compact conversion formulas are given expressing the individual ionic, and mean salt, activity coeffs. at the Lewis-Randall level. The model is applied to the representation of strong and assocg. aq. electrolytes at 25 °C. In the case of solns. of assocg. acids, its ability to also describe the speciation of the acid is examd.
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