Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1988-08-12
1990-03-27
Kaplan, G. L.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204 1T, G01N 2754
Patent
active
049118200
ABSTRACT:
An apparatus for measuring hydrogen cyanide vapor content in the air having an electrode cell with an electrolyte which accommodates an indicator electrode with a sensor member, which is connected by means of a salt bridge with a comparison electrode immersed in the electrolyte, an amplifier, and a recorder, the electrode cell being divided by means of an ion exchange membrane into two compartments, the first compartment containing an electrolyte which is free from cyanide ions and accommodating the comparison electrode, the indicator electrode being positioned above the electrolyte level in the second compartment which also accommodates a means for supplying the electrolyte from the second compartment to the sensor member of the indicator electrode, said means ensuring supply of the electrolyte at regular intervals and being coupled to a compressor.
REFERENCES:
patent: 2864747 (1958-12-01), Roth
Gaditsky Vasily V.
Kratsberg Evgeny P.
Malakhova Irina P.
Ozerov Anatoly I.
Slabinsky Vladimir A.
Gosudarstveny Nauchno-Issledovatelsky i Proektny Institut po
Kaplan G. L.
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