Membrane anchor for ion-selective electrodes

Details Membrane anchor for ion-selective electrodes Membrane anchor for ion-selective electrodes

1987-05-22

1988-09-20

Andrews, R. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204416, 204418, 204435, G01N 2726

Patent

active

047723777

ABSTRACT:
A membrane anchor for an ion-selective electrode may be formed by intersolubilizing an ion-selective membrane lying above a sensing pad with a region of thermoplastic material laterally disposed around the membrane. A first layer of electrically insulating thermoset material lies beneath the thermoplastic material and in intimate contact with an electrically insulating substrate. A second layer of exposed thermoset material lies above the thermoplastic material and contacts the first layer of thermoset material around the entire lateral perimeter of the thermoset material.
The membrane anchor may be usefully employed with an ion-selective electrode having an electrically insulating substrate with a substantially planar surface and having non-metallic means for sensing a potential affixed to the surface beneath an ion-sensitive membrane.

REFERENCES:
patent: 4180771 (1979-12-01), Guckel
patent: 4393130 (1983-07-01), Ho et al.
patent: 4449011 (1984-05-01), Kratochvil et al.
patent: 4454007 (1984-06-01), Pace
patent: 4456522 (1984-06-01), Blackburn
patent: 4486292 (1984-12-01), Blackburn
patent: 4683048 (1987-07-01), Yamada et al.

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