Triple Component Carbon Epoxy pH Probe

Nathan S. Lawrence, Markus Pagels, Simon F. J. Hackett, Sean McCormack, Andrew Meredith, Timothy G. J. Jones, Gregory G. Wildgoose, Richard G. Compton, Li Jiang

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

A pH probe based on a carbon-epoxy electrode design is discussed. The electrode consists of three redox active components within a carbon epoxy matrix. These are the pH sensitive species anthraquinone and phenanthrenequinone, along with the pH insensitive ferrocene reference compound. The values of the peak potentials when combined are shown to shift by 120 mV/pH unit at 25 °C with respect to the ferrocene reference potential.
Original languageEnglish
Pages (from-to)424-428
Number of pages5
JournalElectroanalysis
Volume19
Issue number4
Early online date9 Jan 2007
DOIs
Publication statusPublished - Feb 2007

Keywords

  • ferrocene phenanthrenequinone anthrenequinone
  • pH electrochem sensor triple component carbon epoxy

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