Channel electrode voltammetry: the kinetics of the complexation of the chloranil radical anion with M2+ ions by waveshape analysis

Channel electrode waveshape analysis is employed to determine the rate of complexation of the radical anion of chloranil, with Mg2+ or Ba2+ ions in acetonitrile solution. The presence of less than stoichiometric amounts of M2+ results in a voltammetric wave for the reduction of chloranil which is sp...

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मुख्य लेखकों: Cooper, J, Alden, J, Oyama, M, Compton, R, Okazaki, S
स्वरूप: Journal article
भाषा:English
प्रकाशित: 1998
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author Cooper, J
Alden, J
Oyama, M
Compton, R
Okazaki, S
author_facet Cooper, J
Alden, J
Oyama, M
Compton, R
Okazaki, S
author_sort Cooper, J
collection OXFORD
description Channel electrode waveshape analysis is employed to determine the rate of complexation of the radical anion of chloranil, with Mg2+ or Ba2+ ions in acetonitrile solution. The presence of less than stoichiometric amounts of M2+ results in a voltammetric wave for the reduction of chloranil which is split into two regions. At less negative potentials, the Nernstian equilibrium of chloranil and its radical anion is perturbed by the following reaction, resulting in current flowing at a more positive potential than with chloranil itself. At more negative potentials, the current-voltage response reverts towards that expected for chloranil alone once the supply of metal ion is exhausted. Analysis of the full waveshape is shown to be a sensitive method for the quantification of the complexation kinetics. © 1998 Elsevier Science S.A.
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spelling oxford-uuid:775b61cd-d87a-4fea-afe8-9609ffb11cd32022-03-26T20:23:31ZChannel electrode voltammetry: the kinetics of the complexation of the chloranil radical anion with M2+ ions by waveshape analysisJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:775b61cd-d87a-4fea-afe8-9609ffb11cd3EnglishSymplectic Elements at Oxford1998Cooper, JAlden, JOyama, MCompton, ROkazaki, SChannel electrode waveshape analysis is employed to determine the rate of complexation of the radical anion of chloranil, with Mg2+ or Ba2+ ions in acetonitrile solution. The presence of less than stoichiometric amounts of M2+ results in a voltammetric wave for the reduction of chloranil which is split into two regions. At less negative potentials, the Nernstian equilibrium of chloranil and its radical anion is perturbed by the following reaction, resulting in current flowing at a more positive potential than with chloranil itself. At more negative potentials, the current-voltage response reverts towards that expected for chloranil alone once the supply of metal ion is exhausted. Analysis of the full waveshape is shown to be a sensitive method for the quantification of the complexation kinetics. © 1998 Elsevier Science S.A.
spellingShingle Cooper, J
Alden, J
Oyama, M
Compton, R
Okazaki, S
Channel electrode voltammetry: the kinetics of the complexation of the chloranil radical anion with M2+ ions by waveshape analysis
title Channel electrode voltammetry: the kinetics of the complexation of the chloranil radical anion with M2+ ions by waveshape analysis
title_full Channel electrode voltammetry: the kinetics of the complexation of the chloranil radical anion with M2+ ions by waveshape analysis
title_fullStr Channel electrode voltammetry: the kinetics of the complexation of the chloranil radical anion with M2+ ions by waveshape analysis
title_full_unstemmed Channel electrode voltammetry: the kinetics of the complexation of the chloranil radical anion with M2+ ions by waveshape analysis
title_short Channel electrode voltammetry: the kinetics of the complexation of the chloranil radical anion with M2+ ions by waveshape analysis
title_sort channel electrode voltammetry the kinetics of the complexation of the chloranil radical anion with m2 ions by waveshape analysis
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