Pollution monitoring apparatus

Details Pollution monitoring apparatus Pollution monitoring apparatus

1977-02-25

1978-09-19

Serwin, R.E.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Calorimeter

422 57, 252408, G01N 2114, G01N 2130, G01N 2148

Patent

active

041150678

ABSTRACT:
Apparatus for the detection and/or analysis of pollutant gases comprising a light-reflective surface sensitive to a pollutant gas which is capable of reaction with the pollutant gas to cause a decrease in the reflectivity of the surface, light source means positioned to pass a beam of light angularly onto the surface and light-sensing means positioned to receive light reflected from the surface and means to contact a gas stream containing the pollutant gas with the surface whereby the decrease in light-reflectivity serves as a measure of the concentration of the pollutant gas in the sample and the rate of decrease in reflectivity serves as a measure of the dose rate of the pollutant gas to which one in the environment from which the pollutant gas is taken is subjected.

REFERENCES:
patent: 2487077 (1949-11-01), Shepherd
patent: 2738257 (1956-03-01), Darby
patent: 2864725 (1958-12-01), Sorg et al.
patent: 3574552 (1971-04-01), Rakowski
patent: 3616251 (1971-10-01), Linoli

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