Publication | Closed Access
Separation of Uranium and Plutonium from an Aqueous Solution Containing Phosphoric, Sulfuric, and Nitric Acids by Solvent Extraction
10
Citations
3
References
1979
Year
Solvent ExtractionEngineeringChemical Engineering SeparationsChemistryComplex SpeciesChemical EngineeringSeparation ScienceSelective SeparationNitric AcidsNeutral Nitrate ComplexSolvent-extraction MethodAnalytical ChemistryAdvanced SeparationChromatographyInorganic ChemistrySeparation TechnologyRadioactive Waste DisposalExtractive MetallurgyWater PurificationRadioanalytical Chemistry
Abstract A solvent-extraction method has been developed to separate uranium and plutonium from an aqueous solution containing phosphoric, sulfuric, and nitric acids by extracting them into 0.5 M TOPO in xylene followed by stripping with ammonium carbonate solution. In the case of plutonium, spectral evidence reveals that the complex species extracted into TOPO is predominantly the neutral nitrate complex of Pu(IV).
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