Construction and chracteristics of polymer membrane reference electrode

Koji Suzuki, Hitoshi Ishiwada, Kazuhiko Saito, Tsuneo Shirai

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

A miniaturized reference electrode called a polymer membrane reference electrode (PMRE) was designed and constructed according to the constitution of a second kind silver-sirver chloride electrode. The stickshaped electrode having about 2 mm outer diameter consists of a silver paste coated-copper wire as a conductive substrate and three coating layers of silver chloride (AgCl), polyvinyl chloride (PVC) incorporating potassium chloride (KCl) fine powder and epoxy resin. These layers were formed on the substrate according to the order above. The appropriate thicknesses of these layers were 0.3 mm, 0.4 mm and 0.1 mm, respectively. The optimum mixing weight ratio of the PVC to KCl powder was 1/3. Advantages of PMRE are easy and inexpensive fabrication, strong mechanical stregth, dry storage and long life time (most of the electrodes are still functioning after 4 months' use). The response potential stability as a reference electrode and potential changes of PMRE on pH and temperature were almost the same as those obtained by using a commercial silver-silver chloride reference electrode.

Original languageEnglish
Pages (from-to)722-726
Number of pages5
JournalBunseki Kagaku
Volume30
Issue number11
DOIs
Publication statusPublished - 1981

Fingerprint

Polymers
Membranes
Electrodes
Polyvinyl Chloride
Silver
Powders
Epoxy Resins
Potassium Chloride
Substrates
Ointments
Copper
Wire
Fabrication
Coatings
silver chloride

Keywords

  • construction and characteristics of reference electrode
  • polymer membrane reference electrode
  • potentiometric analysis

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Construction and chracteristics of polymer membrane reference electrode. / Suzuki, Koji; Ishiwada, Hitoshi; Saito, Kazuhiko; Shirai, Tsuneo.

In: Bunseki Kagaku, Vol. 30, No. 11, 1981, p. 722-726.

Research output: Contribution to journalArticle

Suzuki, Koji ; Ishiwada, Hitoshi ; Saito, Kazuhiko ; Shirai, Tsuneo. / Construction and chracteristics of polymer membrane reference electrode. In: Bunseki Kagaku. 1981 ; Vol. 30, No. 11. pp. 722-726.
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