Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Liquid-Liquid Extraction of Ferric Ions Into the Ionic Liquids

Version 1 : Received: 23 November 2021 / Approved: 25 November 2021 / Online: 25 November 2021 (11:58:50 CET)

How to cite: Cubova, K.; Semelova, M.; Nemec, M.; Benes, V. Liquid-Liquid Extraction of Ferric Ions Into the Ionic Liquids. Preprints 2021, 2021110470 (doi: 10.20944/preprints202111.0470.v1). Cubova, K.; Semelova, M.; Nemec, M.; Benes, V. Liquid-Liquid Extraction of Ferric Ions Into the Ionic Liquids. Preprints 2021, 2021110470 (doi: 10.20944/preprints202111.0470.v1).

Abstract

(200 words) Imidazolium ionic liquids containing acetylacetone, thenoyltrifluoroacetone, or 8-hydroxyquinoline, respectively, were used as the extracting agents for the separation of traces of iron (III) from its aqueous solutions with or without citric and oxalic acids. The results show that 8-hydroxyquinoline in imidazolium ionic liquids extract iron quantitatively from all the tested solutions including complexing ones, regardless indications of unexpected iron behavior/speciation.

Keywords

ionic liquids; liquid-liquid extraction; iron extraction; 8-hydroxyquinoline; acetylacetone; thenoyltrifluoroacetone

Subject

CHEMISTRY, Inorganic & Nuclear Chemistry

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