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Type: Artigo de periódico
Title: Comportamento eletroquímico da N-nitrosotiazolidina ácido carboxílico sobre eletrodos de ouro e mercúrio
Title Alternative: Electrochemical behavior of N-nitrosothiazolidine carboxilic acid on gold and mercury electrodes
Author: Codognoto, Lucia
Reyes, Felix G. R.
Winter, Eduardo
Rath, Susanne
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.
Subject: N-nitrosothiazolidine carboxylic acid
gold electrode
Editor: Sociedade Brasileira de Química
Citation: Química Nova. Sociedade Brasileira de Química, v. 31, n. 5, p. 1067-1072, 2008.
Rights: aberto
Identifier DOI: 10.1590/S0100-40422008000500023
Date Issue: 1-Jan-2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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