Ion Uptake and Solid Solution Formation

The study of ion-mineral interactions is a fascinating topic which spans many disciplines from inorganic chemistry to geology and ancient history. The driving forces behind the interaction of an ion and a mineral are complex, and whether or not an ion becomes incorporated into the solid phase is determined by many factors.

celestite strontianite Eu3+ Cm3+ Eu Cm solid solution solid-solution

 This Hot paper by Kiel Holliday et al. looks at the coordination of Eu and Cm to investigate what role local symmetry, ligand strength and a range of other parameters have in solid solution formation in both Eu- and Cm-doped strontianite and celestite.

So what is solid solution formation dependent on and what factors influence it?

Discriminating factors affecting incorporation: comparison of the fate of Eu3+–Cm3+ in the Sr carbonate–sulfate system
Kiel Holliday, Aurélie Chagneau, Moritz Schmidt, Francis Claret, Thorsten Schäfer and Thorsten Stumpf
Journal Article
Dalton Trans., 2012, 41, 3642-3647
DOI: 10.1039/C2DT12425D

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