Preparation of Sodium Ion-Sensing Plates Based on a Thin Layer Liquid Membrane Containing a Neutral Ionophore and a Lipophilic Anionic Dye

Hideaki Hisamoto, Sayaka Sato, Kazunari Sato, Dwi Siswanta, Koji Suzuki

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A sodium ion-sensing plate was prepared as an easily-handled ion-sensing optical chemical sensor (optode) probe. The sensing plate consisted of an ion-sensing liquid thin layer containing a Na+-selective neutral ionophore (16-crown-5 derivatives) and a lipophilic anionic dye (KD-A3), which was placed on a chemically modified (octadecyl silanized) frosted glass plate that was covered with a cellulose dialysis membrane. This ion-sensing plate can easily determine Na+ ranging from 10-4 to10-1 M by simply dipping the plate into the sample solution. The response time was ca. 80 s for 10-1 M NaCl with good reproducibility (relative standard deviation (RSD)=±1.33% for ten sequential measurements).

Original languageEnglish
Pages (from-to)127-131
Number of pages5
JournalAnalytical Sciences
Volume14
Issue number1
Publication statusPublished - 1998

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Liquid membranes
Ionophores
Coloring Agents
Sodium
Ions
Dialysis membranes
Optical sensors
Chemical sensors
Cellulose
Derivatives
Glass
Liquids

Keywords

  • Ion-selective optode
  • Lipophilic anionic dye
  • Neutral ionophore
  • Optical sensor
  • Sensing plate

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Preparation of Sodium Ion-Sensing Plates Based on a Thin Layer Liquid Membrane Containing a Neutral Ionophore and a Lipophilic Anionic Dye. / Hisamoto, Hideaki; Sato, Sayaka; Sato, Kazunari; Siswanta, Dwi; Suzuki, Koji.

In: Analytical Sciences, Vol. 14, No. 1, 1998, p. 127-131.

Research output: Contribution to journalArticle

Hisamoto, Hideaki ; Sato, Sayaka ; Sato, Kazunari ; Siswanta, Dwi ; Suzuki, Koji. / Preparation of Sodium Ion-Sensing Plates Based on a Thin Layer Liquid Membrane Containing a Neutral Ionophore and a Lipophilic Anionic Dye. In: Analytical Sciences. 1998 ; Vol. 14, No. 1. pp. 127-131.
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