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Article Dans Une Revue Analytical Letters Année : 2011

Thiacalixarene derivatives incorporated in optical sensing membranes for metal ion recognition.

Résumé

This work deals with the evaluation of different thiacalix[4]arene derivatives included in polymeric PVC membranes for the optical sensing of metallic cations. Two ligands have been studied: thiacalix[4]arene (ligand 4) and its p-tert-butyl-derivative (ligand 2). Membranes including ligand 4 were tested for different metals and better results were obtained for Cd2+, Ag+, and Pb2+. In the case of films incorporating the neutral ionophore, ligand 2, a pH sensitive dye (ETH 2439), and an anionic additive were also added. A selective response to Ag+ was achieved in acetate buffer at pH 5.

Domaines

Matériaux
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Dates et versions

ujm-00489073 , version 1 (03-06-2010)

Identifiants

Citer

Asma Zaghbani, Rafik Tayeb, Clàudia Fontàs, Manuela Hidalgo, Francis Vocanson, et al.. Thiacalixarene derivatives incorporated in optical sensing membranes for metal ion recognition.. Analytical Letters, 2011, 44 (7), pp.1241. ⟨10.1080/00032719.2010.512675⟩. ⟨ujm-00489073⟩
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