Simultaneous voltammetric determination of heavy metals by use of crown ether-modified electrodes and chemometrics

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Título:	Simultaneous voltammetric determination of heavy metals by use of crown ether-modified electrodes and chemometrics
Autor/a:	González-Calabuig, Andreu; Guerrero, David; Serrano i Plana, Núria; Valle, Manel del
Otros autores:	Universitat de Barcelona
Abstract:	A three‐sensor array consisting of a graphite‐epoxy composite electrode (GEC), 4‐carboxybenzo‐18‐crown‐6‐GEC and 4‐carboxybenzo‐15‐crown‐5‐GEC was employed for the simultaneous determination of Cd(II), Pb(II) and Hg(II) by differential pulse anodic stripping voltammetry (DPASV). Sensors were firstly studied for the determination of Hg(II); secondly, peak current responses confirmed that all sensors showed differentiated response for the three considered metals. A response model was developed to resolve mixtures of Cd(II), Pb(II) and Hg(II) at the µg L−1 level; Discrete Wavelet Transform was selected as preprocessing tool and artificial neural network used for the modelling of the obtained responses.
Materia(s):	-Voltametria -Metalls pesants -Xarxes neuronals (Informàtica) -Anàlisi electroquímica -Voltammetry -Heavy metals -Neural networks (Computer science) -Electrochemical analysis
Derechos:	(c) Wiley-VCH, 2016
Tipo de documento:	Artículo Artículo - Versión aceptada
Editor:	Wiley-VCH
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González-Calabuig, Andreu; Guerrero, David; Serrano i Plana, Núria; Valle Zafra, Manuel del

Serrano i Plana, Núria; González-Calabuig, Andreu.; Valle, Manel del

Serrano i Plana, Núria; González-Calabuig, Andreu; Valle Zafra, Manuel del

Guerrero, David

Cetó Alsedà, Xavier; González-Calabuig, Andreu; Valle Zafra, Manuel del

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