Ion sensor
First Claim
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1. An ion sensor wherein a specific type of ion in an aqueous solution is measured by potential response, comprising:
- a conductor base;
a reversible redox polymer film formed directly on a surface of said conductor base; and
an ion carrier film formed directly on a surface of said redox polymer film and containing an ion carrier substance for allowing the specific type of ions to permeate from the aqueous solution to said polymer film;
wherein said conductor base is made of a conductive carbon compound; and
wherein said redox polymer film is capable of performing a reversible oxidation/reduction reaction of quinone-hydroquinone, and is formed by electrooxidation polymerization of at least one first compound selected from the group consisting of phenol, 3,5-, 2,6- and 3,4-xylenols, 2-hydroxy pyridine, o- and m-benzyl alcohols, o-, m- and p-hydroxybenzaldehydes, o-, m- and p-hydroxyacetophenones, o-, m- and p-hydroxypropiophenones, o-, o-, m- and p-benzophenols, o-, m- and p-hydroxybenzophenones, o-, m- and p-carboxyphenols, diphenylphenol, 2-methyl-8-hydroxyquinoline, 5-hydroxy-1,4-naphthoquinone, 4-(p-hydroxyphenyl)-2-butanone, 1,5-dihydroxy-1,2,3,4-tetrahydronaphthalene, bisphenol A, salicylanilide, 5- and 8-hydroxyquinolines, 1,8-dihydroxyanthraquinones, 1,2,5,8-tetrahydroxyquinalizarin, 1-amino-4-hydroxyanthraquinone, 1-aminoanthraquinone, purpurin, and anthrarufin.
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Abstract
An ion sensor of the type wherein a specific type of ion in an aqueous solution is measured by potential response. The sensor includes a conductor base, and a reversible redox polymer film formed directly on a surface of said conductor base. An ion carrier film is formed directly on a surface of said redox polymer film. The carrier film contains an ion carrier substance for allowing the specific type of ions to permeate from the aqueous solution to said polymer film.
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Citations
33 Claims
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1. An ion sensor wherein a specific type of ion in an aqueous solution is measured by potential response, comprising:
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a conductor base; a reversible redox polymer film formed directly on a surface of said conductor base; and an ion carrier film formed directly on a surface of said redox polymer film and containing an ion carrier substance for allowing the specific type of ions to permeate from the aqueous solution to said polymer film; wherein said conductor base is made of a conductive carbon compound; and wherein said redox polymer film is capable of performing a reversible oxidation/reduction reaction of quinone-hydroquinone, and is formed by electrooxidation polymerization of at least one first compound selected from the group consisting of phenol, 3,5-, 2,6- and 3,4-xylenols, 2-hydroxy pyridine, o- and m-benzyl alcohols, o-, m- and p-hydroxybenzaldehydes, o-, m- and p-hydroxyacetophenones, o-, m- and p-hydroxypropiophenones, o-, o-, m- and p-benzophenols, o-, m- and p-hydroxybenzophenones, o-, m- and p-carboxyphenols, diphenylphenol, 2-methyl-8-hydroxyquinoline, 5-hydroxy-1,4-naphthoquinone, 4-(p-hydroxyphenyl)-2-butanone, 1,5-dihydroxy-1,2,3,4-tetrahydronaphthalene, bisphenol A, salicylanilide, 5- and 8-hydroxyquinolines, 1,8-dihydroxyanthraquinones, 1,2,5,8-tetrahydroxyquinalizarin, 1-amino-4-hydroxyanthraquinone, 1-aminoanthraquinone, purpurin, and anthrarufin. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 33)
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20. An ion sensor wherein a specific type of ion in an aqueous solution is measured by potential response, comprising:
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a conductor base; a reversible redox polymer film formed directly on a surface of said conductor base; and an ion carrier film formed directly on a surface of said redox polymer film and containing an ion carrier substance for allowing the specific type of ions to permeate from the aqueous solution to said polymer film; wherein said conductor base is made of a conductive carbon compound; and wherein said redox polymer film is capable of performing a reversible oxidation/reduction reaction of amine-quinoid, and formed by electrooxidation polymerization of at least one first compound selected from the group consisting of aniline, 1-aminopyrene, 1,2-, 1,6- and 1,8-diaminopyrenes, 1-9, 10-diaminophenanthrenes, 1-aminoanthraquinone, p-phenoxyaniline, o-phenylenediamine, p-chloroaniline, 3,5-dichloroaniline, 2,4,6-trichloroaniline, N-phenyl-p-phenylenediamine, and N-methylaniline. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification