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Separation and Determination of Plutonium of Plutonium-Uranium Fuel Elements

Technical Report ·
DOI:https://doi.org/10.2172/4707867· OSTI ID:4707867
 [1]
  1. New Brunswick Laboratory (NBL), New Brunswick, NJ (United States)
Plutonium is separated from uranium in plutonium-uranium oxide and plutonium-uranium carbide reactor fuel element samples by cation exchange. Initially the refractory oxides or carbides are dissolved by refluxing in concentrated nltric acid-6N hydrofluoric acid solution. After separation, plutonium is determined by potentiometric titration at constant current with potassium dichromate; uranium may be determined similarly. At least 99.9% recovery of both plutonium and uranium was obtained on synthetic samples.
Research Organization:
New Brunswick Laboratory (NBL), New Brunswick, NJ (United States)
Sponsoring Organization:
US Atomic Energy Commission (AEC)
NSA Number:
NSA-17-010737
OSTI ID:
4707867
Report Number(s):
NBL--189
Country of Publication:
United States
Language:
English