Electrochemical characterization of the redox couple of Fe(III)/Fe(II) mediated by grafted polymer electrode

Electrochemical characterization of the redox couple of Fe(III)/Fe(II) mediated by grafted... A new grafted polymer electrode (GPE) (polystyrene as polymer) was grafted with acrylonitrile as a monomer using gamma irradiation to produce a new grafted polymer. The redox process of K3Fe(CN)6 during cyclic voltammetry was studied by the new GPE. The ratio of Ipc/Ipa >1 of GPE to GCE Ipc/Ipa = 1.7, indicating that this electrode is a reversible electrode and can be used in conductivity studies by voltammetric analysis. The physical properties of the new electrode GP have good hardness, insolubility, and stability at different high temperatures and at different pH. Also, the sensitivity under conditions of cyclic voltammetry is significantly dependent on pH, electrolyte, and scan rate. At different scan rates, two oxidation peaks and two reduction peaks of Fe(III) were observed in a reversible process: Fe(III) Fe(II), and Fe(II) Fe(0). Interestingly, the redox reaction of Fe(III) solution using GPE remained constant even after 15 cycles. It is therefore evident that the GPE possesses some degree of stability. The potential use of the grafted polymer as a useful electrode material is therefore clearly evident. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Electrochemical characterization of the redox couple of Fe(III)/Fe(II) mediated by grafted polymer electrode

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Springer Netherlands
Copyright © 2012 by Springer Science+Business Media Dordrecht
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
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