SIMPLE PREPARATION OF Pu(IV) IN DILUTED HClO$sub 4$ (in German)
Journal Article
·
· Kernenergie (East Germany)
OSTI ID:4034659
For equilibrium studies of Pu(IV) in aqueous solution the Pu(IV) should be, as far as possible, in the presence of other valences and excess foreign ion. A given acidity is necessary to prevent the hydrolysis of the Pu(IV). Electrolvsis in 1 and 0.5 M HClO/sub 4/ at controlled potential was found to be a convenient method for the preparation of pure Pu(IV). The total Pu is first converted electrolytically into Pu(IlI). It is now necessary to exchange the Pt spiral being used as cathode before the resulting oxidation or to treat it at shont intervals with chromosulfuric acid. An improved potential standardization is thereby obtained. As the potentials for Pu(III)/Pu(VI) and Pu(IV)/Pu(VI) appear slowly, the Pu(III) can be oxidized carefully to Pu(IV) without further oxidation to Pu(VI) occurring. (J.S.R.)
- Research Organization:
- Zentralinstitut fur Kernphysik, Rossendorf, Ger.
- NSA Number:
- NSA-15-015603
- OSTI ID:
- 4034659
- Journal Information:
- Kernenergie (East Germany), Journal Name: Kernenergie (East Germany) Vol. Vol: 4; ISSN KERNA
- Country of Publication:
- Country unknown/Code not available
- Language:
- German
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