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Issue 31, 2019
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Solid–liquid extraction of iodide and bromide from aqueous media by a new water-insoluble phenoxycalix[4]pyrrole-epichlorohydrin polymer

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Abstract

The present study describes the synthesis of the first phenoxycalix[4]pyrrole-epichlorohydrin based polymer. The advantage of the latter resides in its fast-single step synthesis protocol, low cost, water insolubility and its unexpected anion extraction capacity. The study of this polymer by various solid/liquid extractions with halides in aqueous solutions and quantitative ion chromatography analysis showed that unlike other calix[4]pyrrole-based entities, this polymer extracts iodide rather than bromide and fluoride owing to the presence of large extraction pockets. Evidence of an anion exchange process involving preferably chloride and bromide was also highlighted.

Graphical abstract: Solid–liquid extraction of iodide and bromide from aqueous media by a new water-insoluble phenoxycalix[4]pyrrole-epichlorohydrin polymer

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Article information


Submitted
06 Jun 2019
Accepted
09 Jul 2019
First published
09 Jul 2019

Org. Biomol. Chem., 2019,17, 7330-7336
Article type
Paper

Solid–liquid extraction of iodide and bromide from aqueous media by a new water-insoluble phenoxycalix[4]pyrrole-epichlorohydrin polymer

N. AlHaddad, A. Rifai, A. Kasprowiak, F. Cazier-Dennin and P. Danjou, Org. Biomol. Chem., 2019, 17, 7330
DOI: 10.1039/C9OB01306G

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