Extraction of REE(III), U(VI), and Th(IV) from Nitric Acid Solutions with Carbamoylmethylphosphine Oxides in the Presence of Dinonylnaphthalenesulfonic Acid


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Resumo

The extraction of REE(III), U(VI), and Th(IV) from nitric acid solutions with solutions of carbamoylmethylphosphine oxides (CMPOs) considerably increases in the presence of dinonylnaphthalenesulfonic acid. The stoichiometry of the extractable complexes was determined, and the influence of the aqueous phase composition, kind of organic diluent, and CMPO structure on the efficiency of the extraction of the metal ions was analyzed.

Sobre autores

A. Turanov

Institute of Solid State Physics

Autor responsável pela correspondência
Email: turanov@issp.ac.ru
Rússia, ul. Akademika Osip’yana 2, Chernogolovka, Moscow oblast, 142432

V. Karandashev

Institute of Microelectronics Technology and High-Purity Materials; Moscow Institute of Steel and Alloys

Email: turanov@issp.ac.ru
Rússia, ul. Akademika Osip’yana 6, Chernogolovka, Moscow oblast, 142432; Leninskii pr. 4, Moscow, 119991

A. Yarkevich

Institute of Physiologically Active Compounds

Email: turanov@issp.ac.ru
Rússia, Severnyi proezd 1, Chernogolovka, Moscow oblast, 142432

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