Anion response characteristics of an electrode based on plasticized poly(vinyl chloride) membrane without added ion exchanger

Takashi Masadome, Ji guang Yang, Toshihiko Imato, Nobuhiko Ishibashi

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The potential response of an electrode, based on an o-nitrophenyl octyl ether (o-NPOE)-plasticized PVC membrane without added ion exchanger, to alkyl sulfate, alkanesulfonate, alkylcarboxylate ions and to several hydrophobic anions was investigated. The electrode exhibits the Nernstian response to alkyl sulfate ions having more than ten carbon atoms in alkyl chains. For alkanesulfonate ions, the electrode shows the Nernstian response to dodecylbenzensulfonate and di-2-ethylhexylsulfosuccinate ions, but does not to ions with less than eleven carbon atoms in alkyl chains. For alkylcarboxylate ions with seven to eleven carbon atoms in alkyl chains, the electrode does not show the Nernstian response, but does to tetraphenylborate and 8-anilino-l-naphthalenesulfonate ions. In order to correlate the response characteristics of the o-NPOE-plasticized PVC membrane electrode to the anionic entities with the hydrophobic-ity of the ions, the selectivity coefficients of an electrode based on an o-NPOE-plasticized PVC membrane containing trioctylmethylammonium chloride as an ion-exchanger was measured, because hydrophobicity of ions is related to the partition properties of ions between an aqueous solution and the electrode membrane. As a result, the o-NPOE-plasticized PVC membrane electrode was found to show the Nernstian response to hydrophobic anions with a selectivity coefficient of more than 1055. The potential response of the electrode, based on the PVC membrane plasticized with o-NPOE derivatives, to dodecyl sulfate ion was also investigated. The best plasticizer among o-nitrophenyl phenyl ether and o-nitrophenyl alkyl ethers (C8, C10, C12 and C14) for the dodecylsulfate ion-selective electrode in terms of linear response range and sensitivity was o-NPOE.

Original languageEnglish
Pages (from-to)231-237
Number of pages7
JournalBunseki Kagaku
Volume41
Issue number5
DOIs
Publication statusPublished - 1992
Externally publishedYes

Fingerprint

Vinyl Chloride
Ion exchangers
Anions
Ions
Membranes
Electrodes
Ether
Polyvinyl Chloride
Alkanesulfonates
Carbon
Atoms
Sulfates
Naphthalenesulfonates
Tetraphenylborate
Plasticizers
Ethers
Hydrophobicity

Keywords

  • alkanesulfonate ion
  • alkylcarboxylate ion
  • alkylsulfate ion
  • o-NPOE-plasticized PVC membrane electrode
  • relationship between the response of the electrode and the hydrophobicity of ions
  • selectivity coefficients

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Anion response characteristics of an electrode based on plasticized poly(vinyl chloride) membrane without added ion exchanger. / Masadome, Takashi; Yang, Ji guang; Imato, Toshihiko; Ishibashi, Nobuhiko.

In: Bunseki Kagaku, Vol. 41, No. 5, 1992, p. 231-237.

Research output: Contribution to journalArticle

Masadome, Takashi ; Yang, Ji guang ; Imato, Toshihiko ; Ishibashi, Nobuhiko. / Anion response characteristics of an electrode based on plasticized poly(vinyl chloride) membrane without added ion exchanger. In: Bunseki Kagaku. 1992 ; Vol. 41, No. 5. pp. 231-237.
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T1 - Anion response characteristics of an electrode based on plasticized poly(vinyl chloride) membrane without added ion exchanger

AU - Masadome, Takashi

AU - Yang, Ji guang

AU - Imato, Toshihiko

AU - Ishibashi, Nobuhiko

PY - 1992

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N2 - The potential response of an electrode, based on an o-nitrophenyl octyl ether (o-NPOE)-plasticized PVC membrane without added ion exchanger, to alkyl sulfate, alkanesulfonate, alkylcarboxylate ions and to several hydrophobic anions was investigated. The electrode exhibits the Nernstian response to alkyl sulfate ions having more than ten carbon atoms in alkyl chains. For alkanesulfonate ions, the electrode shows the Nernstian response to dodecylbenzensulfonate and di-2-ethylhexylsulfosuccinate ions, but does not to ions with less than eleven carbon atoms in alkyl chains. For alkylcarboxylate ions with seven to eleven carbon atoms in alkyl chains, the electrode does not show the Nernstian response, but does to tetraphenylborate and 8-anilino-l-naphthalenesulfonate ions. In order to correlate the response characteristics of the o-NPOE-plasticized PVC membrane electrode to the anionic entities with the hydrophobic-ity of the ions, the selectivity coefficients of an electrode based on an o-NPOE-plasticized PVC membrane containing trioctylmethylammonium chloride as an ion-exchanger was measured, because hydrophobicity of ions is related to the partition properties of ions between an aqueous solution and the electrode membrane. As a result, the o-NPOE-plasticized PVC membrane electrode was found to show the Nernstian response to hydrophobic anions with a selectivity coefficient of more than 1055. The potential response of the electrode, based on the PVC membrane plasticized with o-NPOE derivatives, to dodecyl sulfate ion was also investigated. The best plasticizer among o-nitrophenyl phenyl ether and o-nitrophenyl alkyl ethers (C8, C10, C12 and C14) for the dodecylsulfate ion-selective electrode in terms of linear response range and sensitivity was o-NPOE.

AB - The potential response of an electrode, based on an o-nitrophenyl octyl ether (o-NPOE)-plasticized PVC membrane without added ion exchanger, to alkyl sulfate, alkanesulfonate, alkylcarboxylate ions and to several hydrophobic anions was investigated. The electrode exhibits the Nernstian response to alkyl sulfate ions having more than ten carbon atoms in alkyl chains. For alkanesulfonate ions, the electrode shows the Nernstian response to dodecylbenzensulfonate and di-2-ethylhexylsulfosuccinate ions, but does not to ions with less than eleven carbon atoms in alkyl chains. For alkylcarboxylate ions with seven to eleven carbon atoms in alkyl chains, the electrode does not show the Nernstian response, but does to tetraphenylborate and 8-anilino-l-naphthalenesulfonate ions. In order to correlate the response characteristics of the o-NPOE-plasticized PVC membrane electrode to the anionic entities with the hydrophobic-ity of the ions, the selectivity coefficients of an electrode based on an o-NPOE-plasticized PVC membrane containing trioctylmethylammonium chloride as an ion-exchanger was measured, because hydrophobicity of ions is related to the partition properties of ions between an aqueous solution and the electrode membrane. As a result, the o-NPOE-plasticized PVC membrane electrode was found to show the Nernstian response to hydrophobic anions with a selectivity coefficient of more than 1055. The potential response of the electrode, based on the PVC membrane plasticized with o-NPOE derivatives, to dodecyl sulfate ion was also investigated. The best plasticizer among o-nitrophenyl phenyl ether and o-nitrophenyl alkyl ethers (C8, C10, C12 and C14) for the dodecylsulfate ion-selective electrode in terms of linear response range and sensitivity was o-NPOE.

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KW - alkylcarboxylate ion

KW - alkylsulfate ion

KW - o-NPOE-plasticized PVC membrane electrode

KW - relationship between the response of the electrode and the hydrophobicity of ions

KW - selectivity coefficients

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