Extraction of Rare Earth Elements(III) with Mixtures of Some New Tridentate Carbamoylmethylphosphine Oxides and 4-Benzoyl-3-methyl-1-phenyl-1 H -pyrazol-5(4 H )-one from Hydrochloric Acid Solutions
作者： O. I. Artyushin , V. K. Karandashev , N. A. Bondarenko , A. N. Turanov , V. A. Khvostikov
DOI: 10.1134/S1070363221030075
关键词:
摘要: Extraction of rare earths(III) from hydrochloric acid solutions with mixtures new tridentate carbamoylmethylphosphine oxides Ph2P(O)CH2CON(R)CH2CH2P(O)Ph2 (R = Me, Bu, Oct) and 4-benzoyl-3-methyl-1-phenyl-1H-pyrazol-5(4H)-one in organic solvents has been studied. The observed strong synergistic effect attributed to the formation hydrophobic mixed-ligand earth complexes phase. Stoichiometry extractable determined, extraction constants have calculated. solvent composition aqueous phase on efficiency analyzed.
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