Thermodynamics of CO2 interactions in electrolyte solutions

John E. Bauman*, Robert M. Siebert, William R. Almon, Paul B. Hostetler

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution


A new method for determining the speciation of dissolved and hydrolyzed CO//2 in aqueous solutions has been developed. Values of ion pairing constants between HCO//3** minus and Ca**2** plus , Mg**2** plus and Zn**2** plus are presented for temperatures between 10 and 90 C. Use is made of the Fuoss equation of electrostatic ionic interactions to calculate a temperature dependence for the constants. The principal difference between these experiments and earlier ones is that equilibrium constants for reactions between metal ions and HCO//3** minus can be calculated simply by changes in the pH.

Original languageEnglish
Title of host publicationChemistry and Physics of Aqueous Gas Solutions, Symposium, Electrochemical Society Meeting
Subtitle of host publicationProceedigns
Number of pages8
Publication statusPublished - 1975
Externally publishedYes

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