Selective ion sensitive electrode and method of making it
First Claim
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1. A selective ion sensitive electrode including an ion exchanger selectively sensitive to a specific ion, comprising:
- an electrode member to which a signal wire is connected on one side thereof, said member comprised of one of a metal, an electrically conductive resin and a chlorinated metal;
a corrosion resistant conductive thin film formed on the opposite side of said electrode member from said signal wire;
a layer of a silane coupling agent on said corrosion resistant conductive thin film; and
an ion exchanger formed on the surface of said layer of a silane coupling agent.
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Abstract
A selective ion sensitive electrode is so constructed that an ion exchanger sensitive to a specific ion is formed on a metal electrode, an electric conductive resin electrode or a chlorinated metal electrode to which a signal wire is connected so as to maintain a stable electric connection between the signal wire and the ion exchanger over a long period of time. A layer of a silane coupling agent is used between the electrode member and ion exchanger.
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Citations
26 Claims
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1. A selective ion sensitive electrode including an ion exchanger selectively sensitive to a specific ion, comprising:
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an electrode member to which a signal wire is connected on one side thereof, said member comprised of one of a metal, an electrically conductive resin and a chlorinated metal; a corrosion resistant conductive thin film formed on the opposite side of said electrode member from said signal wire; a layer of a silane coupling agent on said corrosion resistant conductive thin film; and an ion exchanger formed on the surface of said layer of a silane coupling agent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A process of forming a selective ion sensitive electrode comprising the steps of providing an electrode member to which a single wire is connected on one side thereof, said member comprised of one of a metal, an electrically conductive resin and a chlorinated metal, a corrosion resistant conductive thin film formed on the opposite side of said member from said signal wire and a layer of a silane coupling agent on the surface of said corrosion resistant conductive thin film;
- applying a solution having an ion exchange substance dissolved in a volatile solvent to the surface of said layer of silane coupling agent; and
allowing the solvent to evaporate to form an ion exchanger on said layer of silane coupling agent. - View Dependent Claims (24, 25, 26)
- applying a solution having an ion exchange substance dissolved in a volatile solvent to the surface of said layer of silane coupling agent; and
Specification