Measuring device for determining chemical parameters of an aqueo

Details Measuring device for determining chemical parameters of an aqueo Measuring device for determining chemical parameters of an aqueo

1989-10-27

1992-11-17

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

20415315, 204409, 204412, 204414, 204435, G01N 27333

Patent

active

051640678

ABSTRACT:
In order to simplify the performance of serial measurements by means of a measuring device for determining chemical parameters of an aqueous sample, with at least one symmetrical, ion-sensitive membrane being located between the sample and an electrolytic medium and the sample and the electrolytic medium being in contact with reference electrodes connected to an evaluation unit, a measuring element is provided which can be inserted into a measuring device and which has a sample chamber connected with a reference chamber via a bore. At least one measuring chamber is provided, which is separated from the sample chamber by a symmetrical, ion-sensitive membrane. The reference chamber and all measuring chambers contain electrolytic media into which are dipped the reference electrodes located in the measuring device.

REFERENCES:
patent: 3151052 (1964-09-01), Arthur et al.
patent: 3556950 (1971-01-01), Dahms
patent: 3833495 (1974-09-01), Grubb
patent: 3997420 (1976-12-01), Buzza
patent: 4133736 (1979-01-01), Nakagawa et al.
patent: 4235687 (1980-11-01), Romette et al.
patent: 4353789 (1982-10-01), Kashkai
patent: 4654127 (1987-03-01), Baker et al.
patent: 4797191 (1989-01-01), Metzner et al.

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