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Book Chapter

Geochemical thermodynamic modelling of ion partitioning

By
Dmitrii A. Kulik
Dmitrii A. Kulik
Laboratory for Waste Management, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland e-mail: dmitrii.kulik@psi.ch
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Published:
January 01, 2011

Abstract

The partitioning of an ionic species between two or more co-existing phases is closely related to chemical speciation, solubility, sorption and solid-solution formation in the geochemical system. The aim of chemical thermodynamic modelling is to find the stable or metastable chemical speciation in such a system; from that, any possible ion partition or distribution coefficient can be retrieved. This chapter aims to highlight some typical features of modelling the equilibrium partitioning of inorganic ionic species between aqueous electrolyte and solid phases, including adsorption and ion exchange on their surfaces. Some guidance is also given on methods and computer codes that can be used in helping us understand and predict ion partitioning in complex scenarios, where several competing solids are involved in a minor element uptake by different mechanisms.

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Contents

European Mineralogical Union Notes in Mineralogy

Ion Partitioning in Ambient-Temperature Aqueous Systems

M. Prieto
M. Prieto
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;
H. Stoll
H. Stoll
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Mineralogical Society of Great Britain and Ireland
Volume
10
ISBN electronic:
9780903056441
Publication date:
January 01, 2011

GeoRef

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