Non-dispersion type infrared analyzer for simultaneously determi

Details Non-dispersion type infrared analyzer for simultaneously determi Non-dispersion type infrared analyzer for simultaneously determi

1980-07-21

1982-06-22

Smith, Alfred E.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

G01J 100

Patent

active

043364535

ABSTRACT:
A non-dispersion type infrared analyzer for simultaneously determining plural components of a sample fluid, wherein a standard fluid and a sample fluid are alternately supplied in a cell and a plurality of pneumatic detectors, each of which corresponds respectively to one component to be determined, are arranged optically in series with respect to a light source. The extremely troublesome zero-adjustment, adjustment of the phases and re-adjustment of the compensation for eliminating the influences of interference components due to changes in the zero-drift or the deviation of phases are not required.

REFERENCES:
patent: 3898462 (1975-08-01), Ishida et al.
patent: 4180733 (1979-12-01), Ueda
patent: 4232223 (1980-11-01), Onishi et al.
patent: 4256964 (1981-03-01), Ishida et al.

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