Electrochemically initiated reactions of diphenylamines with sulfide: Application to the voltammetric detection of hydrogen sulfide

NS Lawrence, J Davis, L Jiang, TGJ Jones, SN Davies, RG Compton

    Research output: Contribution to journalArticle

    10 Citations (Scopus)

    Abstract

    The electrochemical behavior of three diphenylamine derivatives in the presence of sulfide and sulfhydryl thiols (RSH) in aqueous solution on a glassy carbon electrode has been investigated. All three are shown to exhibit modified voltammetric profiles upon the addition of low concentrations of sulfide, which may provide alternative routes for the detection of this important analyte. The various strategies within which they can be employed have been identified and a brief comparison of their analytical utility (limit of detection, linear range, selectivity etc.) compiled. The reaction of sulfide with 4,4-diaminodiphenylamine is shown to be particularly promising with a number of options through which sulfide levels could be identified. Evidence for the electrochemical formation of the sulfur heterocycle, thionine, is presented and the potential advantages of such reactions highlighted.
    LanguageEnglish
    Pages143-148
    JournalElectroanalysis
    Volume13
    Issue number2
    Publication statusPublished - Feb 2001

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    Diphenylamine
    Hydrogen Sulfide
    Sulfides
    Glassy carbon
    Sulfur
    Sulfhydryl Compounds
    Derivatives
    Electrodes

    Cite this

    Lawrence, NS ; Davis, J ; Jiang, L ; Jones, TGJ ; Davies, SN ; Compton, RG. / Electrochemically initiated reactions of diphenylamines with sulfide: Application to the voltammetric detection of hydrogen sulfide. In: Electroanalysis. 2001 ; Vol. 13, No. 2. pp. 143-148.
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    abstract = "The electrochemical behavior of three diphenylamine derivatives in the presence of sulfide and sulfhydryl thiols (RSH) in aqueous solution on a glassy carbon electrode has been investigated. All three are shown to exhibit modified voltammetric profiles upon the addition of low concentrations of sulfide, which may provide alternative routes for the detection of this important analyte. The various strategies within which they can be employed have been identified and a brief comparison of their analytical utility (limit of detection, linear range, selectivity etc.) compiled. The reaction of sulfide with 4,4-diaminodiphenylamine is shown to be particularly promising with a number of options through which sulfide levels could be identified. Evidence for the electrochemical formation of the sulfur heterocycle, thionine, is presented and the potential advantages of such reactions highlighted.",
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    Electrochemically initiated reactions of diphenylamines with sulfide: Application to the voltammetric detection of hydrogen sulfide. / Lawrence, NS; Davis, J; Jiang, L; Jones, TGJ; Davies, SN; Compton, RG.

    In: Electroanalysis, Vol. 13, No. 2, 02.2001, p. 143-148.

    Research output: Contribution to journalArticle

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    AU - Lawrence, NS

    AU - Davis, J

    AU - Jiang, L

    AU - Jones, TGJ

    AU - Davies, SN

    AU - Compton, RG

    PY - 2001/2

    Y1 - 2001/2

    N2 - The electrochemical behavior of three diphenylamine derivatives in the presence of sulfide and sulfhydryl thiols (RSH) in aqueous solution on a glassy carbon electrode has been investigated. All three are shown to exhibit modified voltammetric profiles upon the addition of low concentrations of sulfide, which may provide alternative routes for the detection of this important analyte. The various strategies within which they can be employed have been identified and a brief comparison of their analytical utility (limit of detection, linear range, selectivity etc.) compiled. The reaction of sulfide with 4,4-diaminodiphenylamine is shown to be particularly promising with a number of options through which sulfide levels could be identified. Evidence for the electrochemical formation of the sulfur heterocycle, thionine, is presented and the potential advantages of such reactions highlighted.

    AB - The electrochemical behavior of three diphenylamine derivatives in the presence of sulfide and sulfhydryl thiols (RSH) in aqueous solution on a glassy carbon electrode has been investigated. All three are shown to exhibit modified voltammetric profiles upon the addition of low concentrations of sulfide, which may provide alternative routes for the detection of this important analyte. The various strategies within which they can be employed have been identified and a brief comparison of their analytical utility (limit of detection, linear range, selectivity etc.) compiled. The reaction of sulfide with 4,4-diaminodiphenylamine is shown to be particularly promising with a number of options through which sulfide levels could be identified. Evidence for the electrochemical formation of the sulfur heterocycle, thionine, is presented and the potential advantages of such reactions highlighted.

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