Compositions – Organic luminescent material containing compositions – Scintillating or lasing compositions
Patent
1980-01-29
1981-08-04
Carter, Herbert T.
Compositions
Organic luminescent material containing compositions
Scintillating or lasing compositions
423 10, 423 22, 423DIG14, 75101BE, C01G 5500
Patent
active
042821126
ABSTRACT:
Process for the recovery of the ruthenium present in an aqueous nitric solution, wherein the ruthenium is extracted in an organic solvent by contacting the nitric solution with an organic phase comprising an organophosphorous compound having at least one electron donor sulphur atom in the presence of a compound able to displace NO.sup.+ ions of the ruthenium complexes present in the nitric solution. Application to the recovery of ruthenium contained in a nitric solution obtained by dissolving irradiated fuel elements.
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Fitoussi Richard
Lours Sylvie
Musikas Claude
Carter Herbert T.
Commissariat a l''Energie Atomique
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