Anion selective polymeric membrane electrodes based on metallocenes

Hideaki Hisamoto; Dwi Siswanta; Hiroshi Nishihara; Koji Suzuki

doi:10.1016/0003-2670(94)00614-R

Anion selective polymeric membrane electrodes based on metallocenes

Hideaki Hisamoto, Dwi Siswanta, Hiroshi Nishihara, Koji Suzuki

Department of Applied Chemistry

Research output: Contribution to journal › Article › peer-review

59 Citations (Scopus)

Abstract

Seven types of metallocenes (bis-cyclopentadienyl compounds) were used as anion ionophores for polymeric membrane electrodes and their anion selectivities were examined. The electrodes based on metallocenes exhibited different selectivity behaviour compared with the electrode using a classical anion exchanger such as tetraalkyl ammonium. The selectivity for tetraalkyl ammonium simply obeys the lipophilicity of anions, specifically, hafnocene dichloride exhibited a highly specific response to anions that have π-electrons such as the salicylate ion. This electrode demonstrated a Nernstian response to the salicylate anion ranging from 1 × 10^-3 to 1× 10^-1 M in a buffered solution (0.05 M Tris-H₂SO₄) adjusted to a pH of 7.4.

Original language	English
Pages (from-to)	171-176
Number of pages	6
Journal	Analytica Chimica Acta
Volume	304
Issue number	2
DOIs	https://doi.org/10.1016/0003-2670(94)00614-R
Publication status	Published - 1995 Mar 30

Keywords

Ion selective electrodes
Metallocenes
Salicylate

ASJC Scopus subject areas

Analytical Chemistry
Biochemistry
Environmental Chemistry
Spectroscopy

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abstract = "Seven types of metallocenes (bis-cyclopentadienyl compounds) were used as anion ionophores for polymeric membrane electrodes and their anion selectivities were examined. The electrodes based on metallocenes exhibited different selectivity behaviour compared with the electrode using a classical anion exchanger such as tetraalkyl ammonium. The selectivity for tetraalkyl ammonium simply obeys the lipophilicity of anions, specifically, hafnocene dichloride exhibited a highly specific response to anions that have π-electrons such as the salicylate ion. This electrode demonstrated a Nernstian response to the salicylate anion ranging from 1 × 10-3 to 1× 10-1 M in a buffered solution (0.05 M Tris-H2SO4) adjusted to a pH of 7.4.",

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AU - Hisamoto, Hideaki

AU - Siswanta, Dwi

AU - Nishihara, Hiroshi

AU - Suzuki, Koji

PY - 1995/3/30

Y1 - 1995/3/30

N2 - Seven types of metallocenes (bis-cyclopentadienyl compounds) were used as anion ionophores for polymeric membrane electrodes and their anion selectivities were examined. The electrodes based on metallocenes exhibited different selectivity behaviour compared with the electrode using a classical anion exchanger such as tetraalkyl ammonium. The selectivity for tetraalkyl ammonium simply obeys the lipophilicity of anions, specifically, hafnocene dichloride exhibited a highly specific response to anions that have π-electrons such as the salicylate ion. This electrode demonstrated a Nernstian response to the salicylate anion ranging from 1 × 10-3 to 1× 10-1 M in a buffered solution (0.05 M Tris-H2SO4) adjusted to a pH of 7.4.

AB - Seven types of metallocenes (bis-cyclopentadienyl compounds) were used as anion ionophores for polymeric membrane electrodes and their anion selectivities were examined. The electrodes based on metallocenes exhibited different selectivity behaviour compared with the electrode using a classical anion exchanger such as tetraalkyl ammonium. The selectivity for tetraalkyl ammonium simply obeys the lipophilicity of anions, specifically, hafnocene dichloride exhibited a highly specific response to anions that have π-electrons such as the salicylate ion. This electrode demonstrated a Nernstian response to the salicylate anion ranging from 1 × 10-3 to 1× 10-1 M in a buffered solution (0.05 M Tris-H2SO4) adjusted to a pH of 7.4.

KW - Ion selective electrodes

KW - Metallocenes

KW - Salicylate

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Anion selective polymeric membrane electrodes based on metallocenes

Abstract

Keywords

ASJC Scopus subject areas

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