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- Title
Extraction Properties of Butyl Bis(dibutoxyphosphinylmethyl)phosphinate in Nitric Acid Solutions.
- Authors
Turanov, A. N.; Karandashev, V. K.; Yarkevich, A. N.
- Abstract
The extraction of HNO3 and microamounts of U(VI), Th(IV), Sc(III), REE(III), and Am(III) nitrates from HNO3 solutions with solutions of butyl bis(dibutoxyphosphinylmethyl)phosphinate in organic diluents was studied. The stoichiometry of the extractable complexes was determined, and the apparent extraction constants were calculated. The capability of the extractant to recover the examined elements from nitric acid solutions grows with an increase in the number of phosphoryl groups in its molecule. The recovery of the metal ions into the organic phase becomes more efficient in going to more polar organic diluents.
- Subjects
EXTRACTION (Chemistry); NITRIC acid; METAL ions; STOICHIOMETRY; SOLUTION (Chemistry); SEQUESTRATION (Chemistry); PHYSICAL &; theoretical chemistry
- Publication
Radiochemistry, 2005, Vol 47, Issue 6, p570
- ISSN
1066-3622
- Publication type
Article
- DOI
10.1007/s11137-006-0010-8