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Titolo:
Modes of triple-pulse voltammetry for a slow charge transfer reaction - Analysis of the zeroth-order solution for these modes
Autore:
Galvez, J;
Indirizzi:
Univ Murcia, Fac Sci, Phys Chem Lab, E-30100 Murcia, Spain Univ Murcia Murcia Spain E-30100 i, Phys Chem Lab, E-30100 Murcia, Spain
Titolo Testata:
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
fascicolo: 1-2, volume: 503, anno: 2001,
pagine: 78 - 91
Fonte:
ISI
Lingua:
ENG
Soggetto:
POLAROGRAPHY;
Keywords:
modes of pulse voltammetry; triple-pulse problem; zeroth-order solution; comparative study;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
14
Recensione:
Indirizzi per estratti:
Indirizzo: Galvez, J Univ Murcia, Fac Sci, Phys Chem Lab, E-30100 Murcia, Spain Univ Murcia Murcia Spain E-30100 em Lab, E-30100 Murcia, Spain
Citazione:
J. Galvez, "Modes of triple-pulse voltammetry for a slow charge transfer reaction - Analysis of the zeroth-order solution for these modes", J ELEC CHEM, 503(1-2), 2001, pp. 78-91

Abstract

Recently the rigorous solution for the triple-pulse problem has been derived (J. Galvez, J. Electroanal. Chem. 482 (2000) 66). This solution can be applied for any pulse height and duration and involves a main contribution, the zeroth-order solution, and higher-order corrections so that we can compute the response to any degree of accuracy by adding to the zeroth-order solution as many of these corrections as are necessary. In this work a study of the different modes of pulse voltammetry derived from that solution is presented. To this end, representative voltammograms to four significant figures are given. This allows us to establish the conditions where the zeroth-order equation can be used. Also, a comparative study with the simplified equation previously derived for this problem (Serna et al., Anal. Chem. 69 (1993) 215) has been performed and some issues that arise in this type of studies are discussed. (C) 2001 Elsevier Science B.V. All rights reserved.

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Documento generato il 28/03/20 alle ore 13:58:14