Process for the enrichment of europium chloride

Details Process for the enrichment of europium chloride Process for the enrichment of europium chloride

1973-10-26

1977-09-13

Edmundson, F.C.

Chemistry: electrical and wave energy

Processes and products

204 94, C01F 1700, C25B 124

Patent

active

040480267

ABSTRACT:
This invention relates to a process for the enrichment and recovery of europium chloride in a mixture of rare earth halides which comprises adding sufficient alkali, alkaline earth, or rare earth fluoride to a melt of rare earth halides that the melt contains at least 4% by weight of fluoride, electrolyzing the mixture in the melt, separating residual salts, cooling, and washing said residual salts with water.

REFERENCES:
patent: 2712523 (1955-07-01), Alpert et al.
patent: 3341437 (1967-09-01), Wood

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