Sheet type electrode for use in measurement of ions

Details Sheet type electrode for use in measurement of ions Sheet type electrode for use in measurement of ions

1987-11-24

1989-01-10

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204416, 204418, 204419, 204420, G01N 2730

Patent

active

047971886

ABSTRACT:
An improved electrode assembly for measuring ions, such as a pH electrode, and method of forming the same is provided. A plastic support layer with an aperture is mounted over a base member having electrodes. A gelatinized internal solution is mounted in the aperture over the electrodes in a plasticized solution containing a hydrogen ion-responsive material is formed into a paste and is positioned over the gelatinized internal solution and the adjacent surrounding areas of the support layer. When the paste solidifies it forms a thin film plastic ion-selective response membrane that is integrally sealed to the support layer.

REFERENCES:
patent: 4549951 (1985-10-01), Knudson et al.
patent: 4713165 (1987-12-01), Conover et al.

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