Device for measuring ion activity

Details Device for measuring ion activity Device for measuring ion activity

1987-02-02

1989-06-27

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204403, 204418, 204435, G01N 2746

Patent

active

048427128

ABSTRACT:
In a device for measuring ion activity in a liquid sample such as a body fluid comprising at least one pair of ion-selective electrodes selectively responsive to a specific ion, a porous liquid distributing member for feeding a liquid sample to one electrode of the pair of electrodes, a porous liquid distributing member for feeding a reference liquid to another electrode of the pair of electrodes and a porous bridge for electrically connecting both liquids to each other, the improvement wherein the liquid distributing members are made of a nonwoven fabric composed of cellulosic long fibers.

REFERENCES:
patent: 2962426 (1960-11-01), Sharpsteen
patent: 3000804 (1961-09-01), Cahoon et al.
patent: 3103480 (1963-09-01), Watanabe et al.
patent: 3432424 (1969-03-01), Zee
patent: 3461055 (1969-08-01), Staunton
patent: 3575834 (1971-04-01), Hoole et al.
patent: 4397908 (1983-08-01), Phillips
patent: 4437970 (1984-03-01), Kitajima et al.
patent: 4684445 (1987-08-01), Seshimoto et al.

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