Reference electrode

Details Reference electrode Reference electrode

1987-11-24

1990-12-25

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204433, 204435, G01N 2730

Patent

active

049800434

ABSTRACT:
In a sheet type reference electrode having a gelatinized internal solution, a liquid junction surface of the gelatinized internal solution is coated with a hydrophilic porous thin film. Alternatively, a liquid junction member contacts the gelatinized internal solution and is coated with a hydrophilic porous thin film. In either event, the thin film controls the diffusion of ions from the gelatinized internal solution. A liquid junction portion is also provided by impregnating a chemically stabilized, hydrophilic, high molecular porous material with a gelatinized composition which remains wet.

REFERENCES:
patent: 3705089 (1972-12-01), Grubb

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