Extraction of REE(III) with Mixtures of 2,4,6-tris(Diarylphosphoryl)-1,3,5-triazines and Picrolonic Acid

A. N. Turanov; Туранов А. Н.; V. K. Karandashev; Карандашев В. К.; O. I. Artyushin; Артюшин О. И.; E. V. Smirnova; Смирнова Е. В.; G. V. Bodrin; Бодрин Г. В.; V. K. Brel; Брель В. К.

doi:10.31857/S0044457X22602139

Extraction of REE(III) with Mixtures of 2,4,6-tris(Diarylphosphoryl)-1,3,5-triazines and Picrolonic Acid

Autores: Turanov A.N.¹, Karandashev V.K.², Artyushin O.I.³, Smirnova E.V.³, Bodrin G.V.³, Brel V.K.³
Afiliações:
1. Yu.A. 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: 664-671
Seção: ФИЗИКОХИМИЯ РАСТВОРОВ
URL: https://rjmseer.com/0044-457X/article/view/665261
DOI: https://doi.org/10.31857/S0044457X22602139
EDN: https://elibrary.ru/SNIRMA
ID: 665261

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Resumo

Considerable synergetic effect has been revealed on extraction of REE(III) ions from chloride solutions with mixtures of picrolonic acid and tris(diarylphosphoryl)-1,3,5-triazines in 1,2-dichloroethane due to formation of hydrophobic mixed-ligand REE(III) complexes. Parameters of extraction equilibrium and stoichiometry of resulting complexes have been determined. Effect of aqueous phase composition, organic solvent nature, and extractant structure has been studied. The largest synergetic effect has been observed in the system with tris(ditolylphosphoryl)-1,3,5-triazine.

Palavras-chave

REE(III), extraction, picrolonic acid, tris(diarylphosphoryl)-1,3,5-triazines, synergism

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