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Voltammetric Characterization of trans-Dioxo Ethylenediamine Complexes of Re(V) in Aqueous Solutions

✍ Scribed by M.Fernanda Cerdá; Gonzalo Obal; Eduardo Méndez; Carlos F. Zinola; Carlos Kremer; M.Elisa Martins; Ana M.Castro Luna

Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
92 KB
Volume
236
Category
Article
ISSN
0021-9797

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✦ Synopsis

The electrochemical behavior of trans-[Re((V))O(2)(en)(2)]I and trans-[Re((V))O(2) (en)(2)]ClO(4) (en=ethylenediamine) complexes was studied by cyclic voltammetry on Au electrodes. Experiments were performed in aqueous solutions at pH 7.0 and at room temperature. The complex voltammogram was characterized by Re-containing species, assigned to the Re((V))O(2)(en)(2)/[Re((IV))O(2)(en)(2)] couple, and I-containing species. To overcome I interference, the electrochemical response of Re complexes was segregated by performing a reductive desorption of adsorbed I from Au. Copyright 2001 Academic Press.

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