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Abstract <p>Extraction of lanthanides(III) from aqueous solutions of nitric and perchloric acids and bis[(trifluoromethyl)sulfonyl]imide with solutions of <i>N</i>,<i>N </i>'-dimethyl-<i>N</i>,<i>N </i>'-dicyclohexyldiglycolamide in organic solvents was studied in relation to the concentration of acids in the aqueous phase. The stoichiometry of the extracted complexes was determined. It was found that the transformation of <i>N</i>,<i>N </i>'-dimethyl-<i>N</i>,<i>N </i>'-dicyclohexyldiglycolamide into a complex with bis[(trifluoromethyl)sulfonyl]imide leads to a significant increase in the extraction of lanthanide(III) ions from solutions of nitric, hydrochloric, sulfuric, and phosphoric acids.</p>

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Extraction of Lanthanides(III) from Solutions of Mineral Acids with Solutions of N,N'-Dimethyl-N,N'-dicyclohexyldiglycolamide Complex with bis[(trifluoromethyl)sulfonyl]imide

  • 期刊论文

  • 发表日期：

    2025年6月1日

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  • A. N. Turanov,
  • V. K. Karandashev,
  • V. E. Baulin,
  • D. V. Baulin

摘要

Abstract

Extraction of lanthanides(III) from aqueous solutions of nitric and perchloric acids and bis[(trifluoromethyl)sulfonyl]imide with solutions of N,N '-dimethyl-N,N '-dicyclohexyldiglycolamide in organic solvents was studied in relation to the concentration of acids in the aqueous phase. The stoichiometry of the extracted complexes was determined. It was found that the transformation of N,N '-dimethyl-N,N '-dicyclohexyldiglycolamide into a complex with bis[(trifluoromethyl)sulfonyl]imide leads to a significant increase in the extraction of lanthanide(III) ions from solutions of nitric, hydrochloric, sulfuric, and phosphoric acids.