Extraction of Actinides and Lanthanides(III) from Nitric Acid Solutions with Mixtures of N-(Diphenylphosphoryl)-N'-propylureas with ω-Nitrogen-Containing Groups and Dinonylnaphthalenesulfonic Acid

A. N. Turanov; Туранов А. Н.; V. K. Karandashev; Карандашев В. К.; T. V. Baulina; Баулина Т. В.; E. I. Goryunov; Горюнов Е. И.; V. K. Brel; Брель В. К.

doi:10.31857/S0044457X22601900

Extraction of Actinides and Lanthanides(III) from Nitric Acid Solutions with Mixtures of N-(Diphenylphosphoryl)-N'-propylureas with ω-Nitrogen-Containing Groups and Dinonylnaphthalenesulfonic Acid

Autores: Turanov A.¹, Karandashev V.², Baulina T.³, Goryunov E.³, Brel V.³
Afiliações:
1. Osipyan Institute of Solid-State Physics, Russian Academy of Sciences
2. Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences
3. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences
Edição: Volume 68, Nº 5 (2023)
Páginas: 658-663
Seção: ФИЗИКОХИМИЯ РАСТВОРОВ
URL: https://journals.rcsi.science/0044-457X/article/view/136365
DOI: https://doi.org/10.31857/S0044457X22601900
EDN: https://elibrary.ru/SMRQXL
ID: 136365

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Resumo

Extraction of uranium, thorium, and lanthanide(III) ions from nitric acid solutions with mixtures of dinonylnaphthalenesulfonic acid and N-(diphenylphosphoryl)-N'-n-propylureas containing imidazolyl, diethylamino, pyrid-2-yl, and 2-oxopyrrolidine fragments has been studied in organic solvents. Considerable synergetic effect on extraction of metal ions with mixtures of dinonylnaphthalenesulfonic acid and N-(diphenylphosphoryl)-N'-[3-(2-oxopyrrolidino)propyl]urea has been revealed. Stoichiometry of extracted complexes has been determined. Effect of extractant strucuture, organic diluent nature, and HNO3 content in aqueous phase on extraction efficiency of metal cations into organic medium has been accessed.

Palavras-chave

synergism, uranium(VI), thorium(IV), phosphine oxides

Bibliografia

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