On the stability of the silver/silver sulfate reference electrode

Matěj Velický, Kin Y. Tam, Robert A W Dryfe*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

15 Citations (Scopus)


The preparation and application of a simple silver/silver sulfate reference electrode for an aqueous solution, which can be used as an alternative in chloride-free systems, is reported. The electrodes are prepared by galvanostatic oxidation of silver wire in sulfate solution: the potential stability with time is measured as a function of the current density and overall charge used in oxidation. The electrode potential is also measured in a wide concentration range of sulfate and chloride solutions and an explanation of the observed stability is presented. The range of optimal conditions, crucial for the correct electrode operation, is discussed.

Original languageEnglish
Pages (from-to)1207-1211
Number of pages5
JournalAnalytical Methods
Issue number5
Publication statusPublished - May 2012
Externally publishedYes

ASJC Scopus subject areas

  • Analytical Chemistry
  • Engineering(all)
  • Chemical Engineering(all)


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