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Coronel FT, Mareva S, Yordanov N. Extraction of uranium(IV) from phosphoric acid solutions with 1-phenyl-3-methyl-4-benzoylpyrazolone-5 (PMBP). Talanta. 1982;29(2):119-23doi: 10.1016/0039-9140(82)80031-3.
Coronel, F. T., Mareva, S., & Yordanov, N. (1982). Extraction of uranium(IV) from phosphoric acid solutions with 1-phenyl-3-methyl-4-benzoylpyrazolone-5 (PMBP). Talanta, 29(2), 119-23. https://doi.org/10.1016/0039-9140(82)80031-3
Coronel, F T, et al. "Extraction of uranium(IV) from phosphoric acid solutions with 1-phenyl-3-methyl-4-benzoylpyrazolone-5 (PMBP)." Talanta vol. 29,2 (1982): 119-23. doi: https://doi.org/10.1016/0039-9140(82)80031-3
Coronel FT, Mareva S, Yordanov N. Extraction of uranium(IV) from phosphoric acid solutions with 1-phenyl-3-methyl-4-benzoylpyrazolone-5 (PMBP). Talanta. 1982 Feb;29(2):119-23. doi: 10.1016/0039-9140(82)80031-3. PMID: 18963094.
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Talanta. 1982 Feb;29(2):119-23. doi: 10.1016/0039-9140(82)80031-3.

Extraction of uranium(IV) from phosphoric acid solutions with 1-phenyl-3-methyl-4-benzoylpyrazolone-5 (PMBP).

Talanta

F T Coronel, S Mareva, N Yordanov

Affiliations

  1. Institute of Nuclear Research, P.O. Box 6122, Havana, Cuba.

PMID: 18963094 DOI: 10.1016/0039-9140(82)80031-3

Abstract

The extraction of uranium(IV) from phosphoric acid solutions with PMBP and PMBP-TOPO mixtures has been studied. The synergic extraction with PMBP-TOPO is more effective than the simple chelate extraction with PMBP and both systems are more effective than the synergic extraction of uranium(VI) with DEHPA-TOPO. It is established that the complexes extracted are U(PMBP)(4) and U(PMBP)(4).TOPO for the chelate and synergic extraction respectively. The most probable uranium(VI) species in the aqueous phase (2.9-6.33M H(3)PO(4)) is the neutral complex U(H(5)P(2)O(8))(4). Analytical methods suitable for determination of uranium in phosphoric acid solutions have been developed. The highest sensitivity is achieved by combining the synergic extraction with the uranium(IV)-arsenazo III colour reaction.

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