2009
DOI: 10.1590/s0100-40422009000100038
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Estudo do comportamento eletroquímico de substâncias complexantes utilizando eletrodo de cobre

Abstract: Recebido em 17/2/08; aceito em 23/7/08; publicado na web em 20/1/09StUdy of eleCtRoChemICal BehaVIoR of ComPlexINg ComPoUNdS USINg CoPPeR eleCtRode. Copper electrode can be used for determination of complexing compounds through complexation reactions between Cu(II) and the analites. In this work some studies with three compounds were performed: glycine (precursor of glyphosate synthesis), herbicide glyphosate and aminomethylphosphonic acid (main metabolite of glyphosate). these compounds are complexing agents … Show more

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Cited by 11 publications
(5 citation statements)
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“…However, the detection of GLYP was possible using copperbased electrodes by means of chromatography [24] and electrochemical methods [25,26]. Fig.…”
Section: Dependence On Scan Ratementioning
confidence: 99%
“…However, the detection of GLYP was possible using copperbased electrodes by means of chromatography [24] and electrochemical methods [25,26]. Fig.…”
Section: Dependence On Scan Ratementioning
confidence: 99%
“…The cathodic peak can be associated with the stronger interaction between the copper complex present in the electrode surface and the matrix surface. 46 Alternatively, the cathodic peak can be associated with the products of the dopamine oxidation. This was verified by using a glassy carbon electrode in the presence of the dopamine solution.…”
Section: Electrochemical Studiesmentioning
confidence: 99%
“…16 In particular, experimental studies 17 of anodic behavior of Cu | Cu(II), glycine system have contributed to a better understanding of a potential electrochemical method suggested for controlling herbicides in the environment. Phenomenological studies of the interaction of electrochemically generated Cu 2+ ions with some herbicides (glyphosate or its metabolites) have shown [18][19][20][21][22][23] that current peaks (i p ) arising on anodic voltammograms under linear sweep (LS) conditions could be used for quantitative analysis. At the same time, the nature of current peaks remained unclear.…”
mentioning
confidence: 99%