Method for testing ion selective electrodes in continuous measur

Details Method for testing ion selective electrodes in continuous measur Method for testing ion selective electrodes in continuous measur

1978-10-19

1980-02-19

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

204 1T, 204195M, 324 51, G01N 2746

Patent

active

041893670

ABSTRACT:
The membrane of an ion selective electrode is tested for damage while it is being used for continuous measurement by sending a test current through the electrode system and measuring the voltage change produced. If the voltage change does not reach the value expected with an intact high resistance electrode, a defective electrode is indicated. A reverse current of the same magnitude and duration is then sent through the electrode system.

REFERENCES:
patent: 2117596 (1938-05-01), Bender et al.
patent: 2563062 (1951-08-01), Perley
patent: 2578044 (1951-12-01), Coleman
patent: 3661748 (1972-05-01), Blackmer
patent: 3718568 (1973-02-01), Neuwelt

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