Integrated ion selection electrode device

Details Integrated ion selection electrode device Integrated ion selection electrode device

1979-10-24

1981-02-10

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

204195R, 204195B, G01N 2730

Patent

active

042500109

ABSTRACT:
An ion selection electrode device for measuring concentrations of predetermined ions such as in biological samples in which measuring electrodes are disposed on a planar substrate with their active heads lying within a circle of small radius. A small sample of a liquid to be measured is dropped on and spreads over the circle contacting each electrode. In a preferred embodiment, two sets of electrodes are provided around adjacent circles on a single substrate, one for the sample and the other for a standard reference fluid. A dam separates the two liquids but electrical contact therebetween is provided by a porous bridge.

REFERENCES:
patent: 4020830 (1977-05-01), Johnson et al.
patent: 4053381 (1977-10-01), Hamblen et al.
patent: 4133735 (1979-01-01), Afromowitz et al.

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