Elimination of ghost component in flow injection analysis method

Details Elimination of ghost component in flow injection analysis method Elimination of ghost component in flow injection analysis method

1982-09-22

1985-12-10

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

Utilizing a spectrophotometer

356326, G01J 342

Patent

active

045576017

ABSTRACT:
In a flow injection analysis method of injecting a predetermined amount of a sample into a continuous flow of a carrier solution and introducing a reaction zone of the sample and the carrier solution into a flow cell, signals representative of the respective absorptions of the reaction zone for a plurality of wavelengths are produced when the reaction zone is passing through the flow cell. The signals are subjected to an at least two-wavelength processing or differentiation processing, thereby providing a desired absorbance of a substance of interest for analysis free of the influence of a ghost component.

REFERENCES:
patent: 3966323 (1976-06-01), Matsuoka et al.
patent: 4030828 (1977-06-01), Sonobe et al.
patent: 4263512 (1981-04-01), Saqusa et al.

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