EventsThe 2nd International Electronic Conference on Processes
Event submissions
Published
with-doi10.3390/ECP2023-14656
This submission belongs to the session S4. Chemical Processes and Systems of the event The 2nd International Electronic Conference on Processes
Published date
17 May, 2023
Academic Editor
author-avatarGade Pandu Rangaiah
Citation
Arina Kozhevnikova, Inna V. Zinov'eva, Nikita A. Milevskii, Yulia A. Zakhodyaeva, Andrey A. Voshkin, A new hydrophobic deep eutectic solvent based on D2EHPA and TOPO: synthesis and properties., in Proceedings of The 2nd International Electronic Conference on Processes, 17 May–31 May 2023, MDPI: Basel, Switzerland, doi: 10.3390/ECP2023-14656
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A new hydrophobic deep eutectic solvent based on D2EHPA and TOPO: synthesis and properties.

Arina Kozhevnikova 1
image
Inna V. Zinov'eva 2
Nikita A. Milevskii 3
Yulia A. Zakhodyaeva 2
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Andrey A. Voshkin 2
1. Kurnakov Institute of General and Inorganic Chemistry RAS, Moscow, Russia, Russia
2. Kurnakov Institute of General and Inorganic Chemistry, RAS.
3. Kurnakov Institute of General and Inorganic Chemistry, RAS
Abstract

A new hydrophobic eutectic solvent based on trioctylphosphine oxide and di-(2-ethylhexyl)phosphoric acid was obtained. The formation of HDES was confirmed by NMR and IR spectroscopy. The physical properties of the synthesized HDES were studied: density, shear and dynamic viscosity, refractive index in the range of 15-60°C. Using the method of differential scanning calorimetry, the thermal stability of HDES was studied and a phase diagram was obtained in various molar ratios. The possibility of its use as an extractant for the extraction of transition metal ions in a heterogeneous liquid-liquid system, as well as the possibility of their separation, was studied.

Keywords
deep eutectic solvent
di-(2-ethylhexyl)phosphoric acid
trioctylphosphine oxide
metal extraction
liquid-liquid extraction
Manuscript
engproc-070989-done.pdf
Poster
Supporting.pdf
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