Method for dissolving plutonium dioxide

Details Method for dissolving plutonium dioxide Method for dissolving plutonium dioxide

1976-02-20

1978-01-17

Schafer, Richard E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

204 15, C01G 5600

Patent

active

040692930

ABSTRACT:
The fluoride-catalyzed, non-oxidative dissolution of plutonium dioxide in HNO.sub.3 is significantly enhanced in rate by oxidizing dissolved plutonium ions. It is believed that the oxidation of dissolved plutonium releases fluoride ions from a soluble plutonium-fluoride complex for further catalytic action.

REFERENCES:
patent: 3901786 (1975-08-01), Wheelwright
patent: 3957615 (1976-05-01), Diefenbacher et al.
Cleveland, J. M., "The Chemistry of Plutonium", Gordon & Breach Science Publishers, N.Y., 1970, pp. 56-58, 301-303.
Tallent, O. K. et al., "Effect of Oxidation State of Dissolved Plutonium on PuO.sub.2 Dissolution", Trans. American Nuc. Soc., June, 1975, pp. 252-253.

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