Method and device of measuring ion activity

Details Method and device of measuring ion activity Method and device of measuring ion activity

1986-07-03

1987-08-04

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

204411, 204412, 204416, 422 68, 422 99, G01N 2730

Patent

active

046844457

ABSTRACT:
In a method of measuring ion activity of a liquid sample comprising steps of spotting a reference liquid and the liquid sample on surfaces of ion-selective membranes, respectively, of at least a pair of ion-selective electrode sheets which is electrically insulated from each other, said ion-selective membranes being provided on the top of said ion-selective electrode sheets; and measuring a potential difference between the ion-selective electrodes under the conditions that both liquids are electrically connected to each other by a bridge, the improvement wherein:

REFERENCES:
patent: 3591482 (1971-07-01), Neff et al.
patent: 4053381 (1977-10-01), Hamblen et al.
patent: 4184936 (1980-01-01), Paul et al.
patent: 4233029 (1980-11-01), Columbus
patent: 4273639 (1981-06-01), Gottermeier
patent: 4437970 (1984-03-01), Kitajima et al.
patent: 4473457 (1984-09-01), Columbus
patent: 4510035 (1985-04-01), Seshimoto

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