Studies on the Extraction of Metal Complexes. XXVIII. The Distribution of some Actinides and Fission Products between Tributyl Phosphate (TBP) and Aqueous Solutions of HNO3 and Ca(NO3)2. - Concepedia

Concepedia

Publication | Open Access

Studies on the Extraction of Metal Complexes. XXVIII. The Distribution of some Actinides and Fission Products between Tributyl Phosphate (TBP) and Aqueous Solutions of HNO3 and Ca(NO3)2.

DOI Full Paper Access

20

Citations

0

References

1957

Year

Brita Bernström, Jan Rydberg, Bengt Skrifvars, J. Schliack, L. Reio

Acta chemica Scandinavica/Acta chemica Scandinavica. B, Organic chemistry and biochemistry/Acta chemica Scandinavica. A, Physical and inorganic chemistry/Acta chemica Scandinavica. Series B. Organic chemistry and biochemistry/Acta chemica Scandinavica. Series A, Physical and inorganic chemistry

Solvent ExtractionEngineeringChemistryInorganic MaterialFission ProductsInorganic CompoundChemical EngineeringEnvironmental ChemistrySeparation ScienceAnalytical ChemistryAdvanced SeparationChromatographyDistribution RatiosInorganic ChemistryTributyl PhosphateInorganic SynthesisRadioactive Waste DisposalRoom TemperatureExtractive MetallurgyRadioanalytical ChemistryMetal ComplexesExtraction CurvesChemical Kinetics

Abstract

The distribution ratios of U/sup 6+/, Pu/sup 6+/, Pu/sup 4+/, Th/sup 4+/ , Ru , Zr/sup 4+/ Nb/sup 5+/, La/sup 3+/, Sr/sup 2+/, and Ca/sup 2+/ between tributyl phosphate (TBP) and aqueous solutions of varying concentrations of HNO/ sub 3/ have been determined at room temperature for different (constant) concentrations of Ca(NO/sub 3/)/sub 2/ in the aqueous phase. The extraction curves are discussed with respect to the different complexes formed and to the possibility of using the investigated systems for separating Pu and U from the fission products. (auth)