FIA of nonionic surfactants using a plasticized polyvinyl chloride membrane electrode and a microcolumn packed with an ion-exchange resin

Takashi Masadome, Toshihiko Imato, Nobuhiko Ishibashi

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A flow injection system for the determination of nonionic surfactants in the presence of ionic surfactants was investigated. The system consists of a microcolumn packed with an ion-exchange resin and a surfactant-selective electrode using a plasticized polyvinyl chloride membrane containing no ion-exchange site. Ionic surfactants were removed on the microcolumn. Nonionic surfactants passed through the column with ethanol/H20 = 50/50 (v/v, %) were detected. The electrode showed the cationic potential response with a slope of 40 mV/decade for Triton X-100 from 4×10-5 to 5×10-4 M. The detection limit of Triton X-100 was 1 × 10-5 M. The proposed method is free from the interference of coexisting inorganic electrolytes in sample solutions. By this method, nonionic surfactants in detergent samples could be determined.

Original languageEnglish
Pages (from-to)7-11
Number of pages5
JournalBunseki Kagaku
Volume40
Issue number1
DOIs
Publication statusPublished - 1991
Externally publishedYes

Fingerprint

Ion Exchange Resins
Nonionic surfactants
Polyvinyl Chloride
Surface-Active Agents
Octoxynol
Membranes
Electrodes
Detergents
Electrolytes
Ion exchange
Ethanol

Keywords

  • determination of nonionic surfactants in the presence of ionic surfactants
  • FIA
  • microcolumn
  • plasticized PVC membrane
  • surfactant-selective electrode

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

FIA of nonionic surfactants using a plasticized polyvinyl chloride membrane electrode and a microcolumn packed with an ion-exchange resin. / Masadome, Takashi; Imato, Toshihiko; Ishibashi, Nobuhiko.

In: Bunseki Kagaku, Vol. 40, No. 1, 1991, p. 7-11.

Research output: Contribution to journalArticle

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