Molten-salt hydrate media. Cobalt(II) ions in ZnCl2+ H2O and CaCl2+ H2O systems
Abstract
The solvent properties of the ZnCl2+ H2O system towards Co2+ differ from those of other metal chloride aqueous systems. In CaCl2·xH2O, for example, tetrahedral chlorocobaltate(II) species are increasingly generated with decreasing water content for x= 12, but not in ZnCl2·xH2O, where octahedral coordination of Co2+ is preserved even for x= 3.
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