Bis(2,4,4-trimethylpentyl)phosphinic acid/phenol deep eutectic solvent: Physicochemical properties and application prospects for the extraction of trivalent rare earth elements

Journal of Molecular Liquids, Journal Year: 2025, Volume and Issue: unknown, P. 126984 - 126984

Published: Jan. 1, 2025

Language: Английский

Comparison of Alkyl Phosphine Oxides in Polar and Non-Polar Diluents: Solvent Extraction, Spectroscopic, Conductivity and Theoretical Study

Solvent Extraction and Ion Exchange, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 22

Published: March 26, 2025

Trialkyl phosphine oxides (TOPO) are a common use class of extractants in hydrometallurgy. Organic diluent has significant influence on the extraction properties system. In this work, we investigated two diluents – non-polar (octane) and with high polarity (m-nitrobenzotrifluoride (F-3)) for TOPO's derivatives. It was shown that f-elements octane is higher than F-3. The obtained experimental data were supported by quantum-chemical calculations to evaluate thermodynamics process. addition, differences complex formation established using UV-visible spectrophotometry, NMR spectroscopy electrical conductivity measurements organic phases.

Language: Английский

Selective separation of neodymium(III) using dual function DEHPA-menthol deep eutectic solvent

Journal of Molecular Liquids, Journal Year: 2025, Volume and Issue: unknown, P. 127760 - 127760

Published: May 1, 2025

Language: Английский