Measuring and testing – Gas analysis – Gas chromatography
Patent
1975-09-11
1977-04-26
Queisser, Richard C.
Measuring and testing
Gas analysis
Gas chromatography
G01N 2704
Patent
active
040193675
ABSTRACT:
This invention relates to an improved method and apparatus for the detection and measurement of concentrations of foreign substances in a fluid, particularly atmospheric gas. Transducers and signal modifying devices are electronically connected in a predetermined arrangement so as to determine the concentration of foreign matter and display this concentration as a linear function determined by the amount of foreign matter found.
REFERENCES:
patent: 3562521 (1971-02-01), Vanderschmidt
patent: 3695848 (1972-10-01), Taguchi
patent: 3864628 (1975-02-01), Klass et al.
patent: 3886785 (1975-06-01), Stadler et al.
CRS Industries, Inc.
Frijouf Robert F.
Kreitman Stephen A.
Queisser Richard C.
Stein Stefan M.
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