Sensor having ion-selective electrodes

Details Sensor having ion-selective electrodes Sensor having ion-selective electrodes

1986-07-02

1987-12-15

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204411, 204412, 204416, 204418, 422 68, 435291, 435817, G01N 2730

Patent

active

047131659

ABSTRACT:
A sensor and a method are disclosed for the potentiometric determination of the ion content or activity of a sample and the concentration of other components (e.g., glucose, urea, triglycerides, enzymes, drugs) of a sample. The sensor comprises ion-selective electrodes which are held in a frame and have porous material between them; the porous material provides a means to establish ionic flow between the electrodes. Each ion-selective electrode is comprised of a membrane which is selectively permeable to the ion or other substance whose activity or concentration is being determined; a reference electrode; and an internal reference material.

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