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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.
|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|
|Appears in Collections:||Научные публикации, проиндексированные в SCOPUS и WoS CC|
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