Determination of cyanides with ion-selective membrane electrodes

Klára Tóth, Ernö Pungor

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The direct and indirect determination of cyanides can be carried out with a silver iodide-based ion-selective electrode. The electrode measures only cyanide ions and does not respond to hydrocyanic acid. A detailed study of metal-cyanide complexes shows that the cadmium and zinc cyanide complexes can participate in the exchange reaction on the membrane surface, but that metal cyanide complexes of higher stability than silver dicyanide have no effect on the electrode. The cyanide-sensitive electrodes can be employed for continuously recording the cyanide content of effluents.

Original languageEnglish
Pages (from-to)221-230
Number of pages10
JournalAnalytica Chimica Acta
Volume51
Issue number2
DOIs
Publication statusPublished - Aug 1970

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Environmental Chemistry
  • Spectroscopy

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