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AlHaddad N, Rifai A, Kasprowiak A, et al. Solid-liquid extraction of iodide and bromide from aqueous media by a new water-insoluble phenoxycalix[4]pyrrole-epichlorohydrin polymer. Org Biomol Chem. 2019;17(31):7330-7336doi: 10.1039/c9ob01306g.
AlHaddad, N., Rifai, A., Kasprowiak, A., Cazier-Dennin, F., & Danjou, P. E. (2019). Solid-liquid extraction of iodide and bromide from aqueous media by a new water-insoluble phenoxycalix[4]pyrrole-epichlorohydrin polymer. Organic & biomolecular chemistry, 17(31), 7330-7336. https://doi.org/10.1039/c9ob01306g
AlHaddad, Nancy, et al. "Solid-liquid extraction of iodide and bromide from aqueous media by a new water-insoluble phenoxycalix[4]pyrrole-epichlorohydrin polymer." Organic & biomolecular chemistry vol. 17,31 (2019): 7330-7336. doi: https://doi.org/10.1039/c9ob01306g
AlHaddad N, Rifai A, Kasprowiak A, Cazier-Dennin F, Danjou PE. Solid-liquid extraction of iodide and bromide from aqueous media by a new water-insoluble phenoxycalix[4]pyrrole-epichlorohydrin polymer. Org Biomol Chem. 2019 Aug 07;17(31):7330-7336. doi: 10.1039/c9ob01306g. PMID: 31312833.
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Org Biomol Chem. 2019 Aug 07;17(31):7330-7336. doi: 10.1039/c9ob01306g.

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

Organic & biomolecular chemistry

Nancy AlHaddad, Ahmad Rifai, Amaury Kasprowiak, Francine Cazier-Dennin, Pierre-Edouard Danjou

Affiliations

  1. Unité de Chimie Environnementale et Interactions sur le Vivant, EA 4492, Université du Littoral Côte d'Opale, 145 Avenue Maurice Schumann, MREI 1, Dunkerque, France. [email protected].

PMID: 31312833 DOI: 10.1039/c9ob01306g

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.

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