A Reference Electrode for Organic Solvents Based on Modified Polyethylenimine Loaded with Fe(cn)3 6 -/4-

Ana Kaminsky, Ltamar Willner, Daniel Mandler

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

A cross-linked polymer composed of polyethylenimine reacted with 1,4-dibromobutane coated on a glassy carbon electrode and containing negatively charged ions, Fe(CN)36/4“, is proposed as a reference electrode in organic solvents. The system exhibits a relatively stable potential (±10 mV) over a period of several days in acetonitrile and a reasonable potential stability for several hours in N, N’-dimethyl-formamide and dichloromethane. The different parameters that affect the behavior of the GCE/PEI/Fe(CN)3 6 /4“ are characterized.

Original languageEnglish
JournalJournal of the Electrochemical Society
Volume140
Issue number3
DOIs
StatePublished - 1993

Keywords

  • electrochemical analysis
  • electrochemical electrodes
  • organic compounds
  • oxidation
  • polymer electrolytes

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