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Title: PRECIPITATION METHOD OF SEPARATION OF NEPTUNIUM

Patent ·
OSTI ID:4301461

A process is described for the separation of neptunium from plutonium in an aqueous solution containing neptunium ions in a valence state not greater than +4, plutonium ioms in a valence state not greater than +4, and sulfate ions. The Process consists of adding hypochlorite ions to said solution in order to preferentially oxidize the neptunium and then adding lanthanum ions and fluoride ions to form a precipitate of LaF/sub 3/ carrying the plutonium, and thereafter separating the supernatant solution from the precipitate.

Research Organization:
Originating Research Org. not identified
NSA Number:
NSA-13-000978
Assignee:
U.S. Atomic Energy Commission
Patent Number(s):
US 2841464
OSTI ID:
4301461
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-59
Country of Publication:
United States
Language:
English