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Type: Artigo de periódico
Title: Electrochemical Behavior Of N-nitrosothiazolidine Carboxilic Acid On Gold And Mercury Electrodes [comportamento Eletroquímico Da N-nitrosotiazolidina ácido Carboxílico Sobre Eletrodos De Ouro E Mercúrio]
Author: Codognoto L.
Reyes F.G.R.
Winter E.
Rath S.
Abstract: The electrochemical behavior of N-nitrosothiazolidine carboxylic acid (NTAC) on gold and hanging mercury electrodes, using the cyclic and square wave voltammetries, was studied. Whereas NTAC suffer reduction in a single step on the mercury electrode, two peaks appears on the cyclic voltammograms on the gold electrode, one anodic peak overlaying the gold oxide process at 1.2 V and one cathodic peak at -0.41 V vs Ag/AgCl, KCl 3.0 mol L-1. The cathodic peak depends on the previous oxidation of NTAC at the electrode surface, presents irreversible and adsorption controlled characteristics and it is suitable for quantitative purposes.
Rights: aberto
Identifier DOI: 
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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