Sensor having ion-selective electrodes

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

G - Physics

01

N

324/28.2

G01N 27/28 (2006.01) G01N 27/30 (2006.01) G01N 33/487 (2006.01)

Patent

CA 1257331

ABSTRACT A sensor for the potentiometric determina- tion 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 is disclosed. The sensor comprises ion-selective elec- trodes which are held in a frame and have porous material between them, the porous material providing a means to establish ionic flow between the electrodes. Each ion-selective electrode is comprised of a mem- brane 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.

512665

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