A facile electrochemical detection of hypochlorite ion based on ferrocene compounds

Baozhen Wang, Jun Ichi Anzai

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Cyclic voltammogram (CV) and differential pulse voltammogram (DPV) of ferroceneboronic acid (FcBA), 1,1'-ferrocenediboronic acid (FcDBA), ferrocenecarboxylic acid (FcCA), 1,1'-ferrocenedicarboxylic acid (FcDCA), ferrocenylmethanol (FcM), and ferrocenylethanol (FcE) were recorded on a glassy carbon electrode in the presence of hypochlorite (ClO-) ion. The redox current of the ferrocene compounds in CV and DPV decreased with increasing the concentration of ClO- ion in μM level. The type of substituent in the ferrocene compounds significantly affected the electrochemical response to ClO- ion. Voltammetric and UV-visible absorption spectroscopic results suggested that the ferrocene compounds were oxidatively decomposed by ClO- ion. Thus, the ferrocene compounds can be used as redox marker for detecting ClO- ion in water.

Original languageEnglish
Pages (from-to)3260-3268
Number of pages9
JournalInternational Journal of Electrochemical Science
Volume10
Issue number4
Publication statusPublished - 2015 Jan 1

Keywords

  • Amperometric measurement
  • Ferrocene compounds
  • Hypochlorite ion

ASJC Scopus subject areas

  • Electrochemistry

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