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Correlations Between UV-Visible Spectra and Thermodynamics of Solutions of Cobalt Chloride Dissolved in Sodium Chloroaluminate Melts
ECS Proceedings Volumes
The UV-vis spectra of C0CI2 dissolved in molten NaCl-AlCh solutions were obtained as a function of composition from slightly basic compositions to fairly acidic compositions. From these spectra it was concluded that in the basic melts the Co++ ion is tetrahedrally coordinated whereas in the acidic melts the Co++ ion is octahedrally coordinated. The solubility of C0CI2 had been previously determined using an EMF technique. The cell used was C0/C0CI2 -NaAlCl4//(AgCl)x/Ag, where the mole fraction,doi:10.1149/199811.0637pv fatcat:6rqnhnf4pncxtbtrdagcu7joou