Tetraphenylborate ion selective electrode based on plasticized poly(vinyl chloride) membrane containing no ion-exchange site and its application to potentiometric titration

Takashi Masadome, Toshihiko Imato, Nobuhiko Ishibasm

Research output: Contribution to journalArticle

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The o-nitrophenyl octyl ether (o-NPOE)-plasticized PVC membrane electrode shows the linear response with potential slope of 50 mV per decade for tetraphenylborate (TPB-) ion from 10-5 M to 10-2 M. The response time of the electrode is in the order of a few seconds. The electrode can be used in wide pH range, and is highly selective to the TPB- ion over inorganic anions. The electrode is suitable as the end-point detector in the potentiometric titration of quaternary ammonium salts and potassium ion.

Original languageEnglish
Pages (from-to)508-510
Number of pages3
JournalBunseki Kagaku
Issue number8
Publication statusPublished - 1987
Externally publishedYes



  • 0-nitrophenyl octyl ether-plasticized poly (vinyl chloride) membrane electrode
  • potentiometric titration
  • tetraphenylborate ion selective electrode

ASJC Scopus subject areas

  • Analytical Chemistry

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