METHOD FOR REMOVING CONTAMINATION FROM PRECIPITATES
Patent
·
OSTI ID:4255385
An improvement in the bismuth phosphate carrier precipitation process is presented for the recovery and purification of plutonium. When plutonium, in the tetravalent state, is carried on a bismuth phosphate precipitate, amounts of centain of the fission products are carried along with the plutonium. The improvement consists in washing such fission product contaminated preeipitates with an aqueous solution of ammonium hydrogen fluoride. since this solution has been found to be uniquely effective in washing fission production contamination from the bismuth phosphate precipitate.
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-13-013314
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 2867500
- OSTI ID:
- 4255385
- Country of Publication:
- United States
- Language:
- English
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