Abstract
The reaction of uranium dioxide with excess hydrogen chloride in alkali chloride melts (LiCl, 3LiCl-2KCl, NaCl-KCl and NaCl-2CsCl) has been studied between 450 and 750°C, and the reaction products were characterized by electronic absorption and X-ray absorption spectroscopy. Uranium(V), [UO 2Cl4]3-, and uranium(IV), [UCl 6]2-, species were formed. They depended upon the temperature and the radius of the alkali cations present. Uranium(V) ions predominated in melts with small cations (LiCl and 3LiCl-2KCl). © 2007 Verlag der Zeitschrift für Naturforschung.
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Volkovich, V. A., Polovov, I. B., Vasin, B. D., Griffiths, T. R., Sharrad, C. A., May, I., & Charnock, J. M. (2007). Effect of melt composition on the reaction of uranium dioxide with hydrogen chloride in molten alkali chlorides. Zeitschrift Fur Naturforschung - Section A Journal of Physical Sciences, 62(10–11), 671–676. https://doi.org/10.1515/zna-2007-10-1116
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