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Thermodynamic properties of aqueous arsenic species and scorodite solubility

Nordstrom, D.K., Zhu, X., McCleskey, R.B., Königsberger, L.C. and Königsberger, E.ORCID: 0000-0002-4606-0741 (2017) Thermodynamic properties of aqueous arsenic species and scorodite solubility. Procedia Earth and Planetary Science, 17 . pp. 594-597.

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An internally consistent thermodynamic network for arsenic minerals and aqueous species is being developed based on a high quality starting point: arsenolite and arsenolite solubility. Current research is refining the properties of scorodite solubility as a function of temperature along with improved aqueous species stability constants and activity coefficients for ions and ion pairs based on potentiometric measurements of redox, pH, and conductivity for 5-90 °C. The second and third hydrolysis constants for arsenic acid have been calculated as a function of temperature and thermodynamic properties have been derived.

Item Type: Journal Article
Murdoch Affiliation(s): School of Engineering and Information Technology
Publisher: Elsevier B.V.
Copyright: © 2017 Elsevier B.V
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