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Development of the theory for the interpretation of steady state limiting currents at a microelectrode: EC' processes: first and second order reactions

Development of the theory for the interpretation of steady state limiting currents at a microelectrode: EC' processes: first and second order reactions
Development of the theory for the interpretation of steady state limiting currents at a microelectrode: EC' processes: first and second order reactions
Equations are developed to describe the radius dependence of the steady state limiting current at a microelectrode for the case where the electron transfer process is followed by a homogeneous chemical reaction regenerating the electroactive species. Following a brief discussion of systems where the coupled chemical reaction may be considered to be pseudo-first order, the theory is extended to the more general, second order case by seeking an asymptotic solution to the differential equation. This allows the study of fast chemical reactions and systems where the reactants are present in similar concentrations.

1572-6657
243-254
Denuault, G.
5c76e69f-e04e-4be5-83c5-e729887ffd4e
Fleischmann, M..
003381b1-484c-421b-a9b8-33393f620751
Pletcher, D.
f22ebe69-b859-4a89-80b0-9e190e6f8f30
Tutty, O.R.
1c3a81a7-7af9-4cbd-a887-5805447fad85
Denuault, G.
5c76e69f-e04e-4be5-83c5-e729887ffd4e
Fleischmann, M..
003381b1-484c-421b-a9b8-33393f620751
Pletcher, D.
f22ebe69-b859-4a89-80b0-9e190e6f8f30
Tutty, O.R.
1c3a81a7-7af9-4cbd-a887-5805447fad85

Denuault, G., Fleischmann, M.., Pletcher, D. and Tutty, O.R. (1990) Development of the theory for the interpretation of steady state limiting currents at a microelectrode: EC' processes: first and second order reactions. Journal of Electroanalytical Chemistry, 280 (2), 243-254.

Record type: Article

Abstract

Equations are developed to describe the radius dependence of the steady state limiting current at a microelectrode for the case where the electron transfer process is followed by a homogeneous chemical reaction regenerating the electroactive species. Following a brief discussion of systems where the coupled chemical reaction may be considered to be pseudo-first order, the theory is extended to the more general, second order case by seeking an asymptotic solution to the differential equation. This allows the study of fast chemical reactions and systems where the reactants are present in similar concentrations.

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More information

Published date: 9 March 1990
Additional Information: CV966

Identifiers

Local EPrints ID: 179283
URI: https://eprints.soton.ac.uk/id/eprint/179283
ISSN: 1572-6657
PURE UUID: 95199875-10db-4b9b-8d52-8e74986376bb
ORCID for G. Denuault: ORCID iD orcid.org/0000-0002-8630-9492

Catalogue record

Date deposited: 07 Apr 2011 08:48
Last modified: 06 Jun 2018 13:10

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