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Title: Precipitation of rare earth phosphates from NaCl-2CsCl eutectic based melts
Authors: Volkovich, V. A.
Ivanov, A. B.
Yakimov, S. M.
Polovov, I. B.
Vasin, B. D.
Griffiths, T. R.
Chukin, A. V.
Shtolts, A. K.
Issue Date: 2012
Abstract: The reaction between 15 rare earth chlorides (yttrium, lanthanum and all the lanthanides except for promethium) and sodium orthophosphate was studied in NaCl-2CsCl eutectic based melts between 550 and 750 °C under an inert atmosphere. Rare earth phosphates were precipitated from the melt and their composition determined from chemical analysis, vibrational spectroscopy and X-ray powder diffraction measurements. The effects of temperature and the initial phosphate-to-rare earth mole ratio in the melt on the phase composition of the precipitated phosphates was investigated Over 99.9% precipitation could be achieved and the mole ratio required varied between 2 and 6. The minimum excess of phosphate precipitant required for complete precipitation from the melt was determined. Copyright © 2012 by The Electrochemical Society.
Conference name: 18th International Symposium on Molten Salts and Ionic Liquids - 222nd ECS Meeting
Conference date: 07.10.2012-12.10.2012
SCOPUS ID: 84885789593
WOS ID: 000338019200055
PURE ID: 1067840
ISSN: 1938-6737
DOI: 10.1149/05011.0517ecst
Appears in Collections:Научные публикации, проиндексированные в SCOPUS и WoS CC

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