Synergistic Solvent Extraction of Lanthanides(III) with Mixtures of 4-Benzoyl-3-Methyl-1-Phenyl-5-Pyrazolone and Phosphoryl-Containing Podands

Authors

  • Alexander Nikolaevich Turanov Institute of Solid-State Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432 Russia
  • Vasilii Konstantinovich Karandashev Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences, 8 142432 Chernogolovka, Russia National University of Science and Technology MISiS, 119049, Moscow, Russia
  • Vladimir Evgenevich Baulin Institute of Physiologically Active Compounds, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432 Russia. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, 119991 Russia
  • Dmitriy Vladimirovich Baulin Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 13 Moscow, 119991 Russia
  • Aslan Yusupovich Tsivadze Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, 119991 Russia

DOI:

https://doi.org/10.17344/acsi.2019.5380

Keywords:

Lanthanides(III), synergistic extraction, 4-benzoyl-3-methyl-1-phenyl-5-pyrazolone, phosphoryl-containing podands

Abstract

The solvent extraction of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu from weak acidic chloride solutions into an organic phase containing 4-benzoyl-3-methyl-1-phenyl-5-pyrazolone (HP) and phosphoryl-containing podands (L) has been studied. A considerable synergistic effect was observed in the presence of neutral ligands L in the organic phase containing HP. The stoichiometry of the Ln(III) extracted species was determined by slope analysis and the equilibrium constants were calculated. It was found that the lanthanide(III) ions are extracted with mixtures of HP and neutral ligands in toluene from weak acidic solutions as LnLP3 complexes.

Author Biographies

Alexander Nikolaevich Turanov, Institute of Solid-State Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432 Russia

Professor

Vasilii Konstantinovich Karandashev, Institute of Microelectronics Technology and High Purity Materials, Russian Academy of Sciences, 8 142432 Chernogolovka, Russia National University of Science and Technology MISiS, 119049, Moscow, Russia

Professor

Vladimir Evgenevich Baulin, Institute of Physiologically Active Compounds, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432 Russia. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, 119991 Russia

Russian Academy of Sciences, Professor

Dmitriy Vladimirovich Baulin, Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 13 Moscow, 119991 Russia

Junior Researcher

Aslan Yusupovich Tsivadze, Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, Moscow, 119991 Russia

Academician, Professor

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Published

20.03.2020

Issue

Vol. 67 No. 1 (2020)

Section

Inorganic chemistry

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