Infrared analyzer

Details Infrared analyzer Infrared analyzer

1985-12-03

1987-09-08

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

250344, 250345, G01N 2137

Patent

active

046926224

ABSTRACT:
An infrared analyzer where infrared radiation is passed through a measurement cell containing a material that includes a component that absorbs infrared radiation. The radiation exiting the measurement cell passes into a first detector, through an optical filter to a second infrared radiation detector. By analyzing the outputs from each detector and by knowing the characteristics of the optical filter, the concentration of certain infrared absorbing components in the material can be determined.

REFERENCES:
patent: 2924713 (1960-02-01), Liston
patent: 3171027 (1965-02-01), Wallack
patent: 3770974 (1973-11-01), Fertig
patent: 3940623 (1976-02-01), Hempowitz et al.
patent: 3952196 (1976-04-01), Larsen
patent: 3968369 (1976-07-01), Luft
patent: 4271124 (1981-06-01), Speeter
patent: 4336453 (1982-06-01), Imaki et al.

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