Synergistic Extraction of Pu(IV) by Mixtures of HTTA with TBP and DBBP
- 1 March 1980
- journal article
- research article
- Published by Taylor & Francis in Separation Science and Technology
- Vol. 15 (2) , 131-144
- https://doi.org/10.1080/01496398008056087
Abstract
The synergistic extraction of Pu(IV) from perchloric acid medium by mixtures of thenoyltrifluoroacetone (HTTA) and the neutral donors tri-n-butylphos-phate (TBP)and dibutyl butylphosphonate (DBBP) using benzene and cyclo-hexane as diluents was investigated by different solvent extraction methods. With TBP, the adduct responsible for synergism was found to be Pu(TTA)4 TBP. With DBBP, in addition to Pu(TTA)4 DBBP, it was indicated that more species containing perchlorate ion are involved in the extraction. The adduct formation of Pu(TTA)4 with DBBP in benzene was also investigated by spectrophotometry. The equilibrium constants for several equilibria involved were obtained.Keywords
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