Measured value receiver for the polarographic measurement of gas

Details Measured value receiver for the polarographic measurement of gas Measured value receiver for the polarographic measurement of gas

1978-10-25

1980-11-11

Kaplan, G. L.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

G01N 2730, G01N 2746

Patent

active

042331439

ABSTRACT:
The invention relates to a measured value receiver for the polarographic measurement of gases in liquids. The unit comprises a main mounting member having an end face with associated cathode and anode contacts and a carrier member connectable thereto having an end face with cooperably engaging cathode and anode contacts. The carrier member has an annularly shaped wall and a central port member forming an annularly shaped chamber. A diaphragm permitting diffusion of gases covers the end faces of the wall and post member to enclose the chamber. A quantity of electrolyte completely fills the chamber but the diaphragm remains in contact with the post member. The post member extends a further distance outwardly than the surrounding wall so that the diaphragm assumes an inwardly and concavely formed contour. A main purpose of this construction is to make the receiver substantially insensitie to pressure fluctuations.

REFERENCES:
patent: 3211638 (1965-10-01), Halvorsen
patent: 3334623 (1967-08-01), Hillier et al.
patent: 3351544 (1967-11-01), Medlar
patent: 3445369 (1969-05-01), Porter et al.
patent: 3454485 (1969-07-01), Hauk et al.
patent: 3510421 (1970-05-01), Gealt
patent: 3518179 (1970-06-01), Bleak et al.
patent: 3767552 (1973-10-01), Lauer
patent: 3785947 (1974-01-01), Baldwin et al.
patent: 3826730 (1974-07-01), Watanabe et al.
patent: 3948746 (1976-04-01), Poole
patent: 3997419 (1976-12-01), Scott
patent: 4100048 (1978-07-01), Pompei et al.

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