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Titolo:
Additive differential pulse voltammetry, instead of double differential pulse voltammetry
Autore:
Molina, A; Moreno, MM; Serna, C; Camacho, L;
Indirizzi:
Univ Murcia, Fac Quim, Dept Quim Fis, E-30100 Murcia, Spain Univ Murcia Murcia Spain E-30100 m, Dept Quim Fis, E-30100 Murcia, Spain Univ Cordoba, Fac Ciencias, Dept Quim Fis & Termodinam Aplicada, Cordoba 14014, Spain Univ Cordoba Cordoba Spain 14014 rmodinam Aplicada, Cordoba 14014, Spain
Titolo Testata:
ELECTROCHEMISTRY COMMUNICATIONS
fascicolo: 7, volume: 3, anno: 2001,
pagine: 324 - 329
SICI:
1388-2481(200107)3:7<324:ADPVIO>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
IRREVERSIBLE ELECTRODE PROCESSES; GENERAL ANALYTICAL SOLUTION; SPHERICAL ELECTRODES; POTENTIAL STEP; I/T RESPONSE; POLAROGRAPHY; ABSENCE/PRESENCE; AMALGAMATION; DIAGNOSIS; 1ST-ORDER;
Keywords:
additive differential pulse voltammetry; double differential pulse voltammetry; reversible process;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
17
Recensione:
Indirizzi per estratti:
Indirizzo: Molina, A Univ Murcia, Fac Quim, Dept Quim Fis, E-30100 Murcia, Spain UnivMurcia Murcia Spain E-30100 im Fis, E-30100 Murcia, Spain
Citazione:
A. Molina et al., "Additive differential pulse voltammetry, instead of double differential pulse voltammetry", ELECTROCH C, 3(7), 2001, pp. 324-329

Abstract

A new electrochemical double pulse potential technique called additive differential pulse voltammetry (ADPV) is proposed. This technique is inspired by the original idea of Birke et al. [Anal. Chem, 53 (1981) 852] of recording two differential pulse (DP) voltammograms and it consists of plotting the sum of these two signals versus the first pulse potential, although in this paper the proposal is to obtain the ADPV signal through just one experiment. ADPV behaves in an identical way to the triple-pulse technique double differential pulse voltammetry (DDPV) for reversible processes when diffusion coefficients are equal for spherical electrodes and for any value of diffusion coefficients in planar electrodes. In the case of reversible electrode processes with amalgamation of reaction product or other more complex processes, ADPV is more advantageous than DDPV. This is due, among other reasons, to the fact that, under these conditions, a double potential step is much simpler to analyse than a triple potential step. (C) 2001 Published by Elsevier Science B.V.

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Documento generato il 07/04/20 alle ore 22:58:41