Study of Ti(III) solutions in various molten alkali chlorides. II. Raman spectroscopy investigation
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Raman spectroscopic investigation of Ti(III) solutions in various alkali metal chlorides and mixtures shows that the solvent cations affect the nature of the complex anions formed. We have studied in detail the effect of adding lithium chloride upon the anion TiCl 6 3− , which is the only species present in Ti(III) solutions in molten caesium chlorides at 700° C. At 20 mol% LiCl a new band appears in the TiCl 6 3− spectrum, and it becomes the most important one from 80% LiCl onwards. This line cannot be associated with any vibration of TiCl 6 3− nor TiCl 4 − but could be attributed to the condensed form Ti2Cl 9 3− .
KeywordsSpectroscopy Chloride Lithium Raman Spectroscopy Alkali Metal
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