Device and method for chemical analysis of fluids with a reagent

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Calorimeter

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435808, 436527, 436805, 436165, 436169, 422 57, 422 58, 422 69, G01N 2103, G01N 3096

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047175451

ABSTRACT:
A device for measuring transmittance of light comprises a light source, photodetector and signal processor. The concentration of a substance in a fluid sample can be accurately determined by coating the light source with a reagent that is chemically reactive with the substance and measuring light transmitted from the coating before and after the substance is applied to the coating. The coating can contain a solid support matrix, such as a translucent nonwoven paper web of the type used in reagent test strips and similar indicator devices. The invention is useful for making clinical analyses on body fluids.

REFERENCES:
patent: 4050895 (1977-09-01), Hardy et al.
patent: 4306877 (1981-12-01), Lubbels
patent: 4321057 (1982-03-01), Buckles
patent: 4368047 (1983-01-01), Andrade et al.
patent: 4399099 (1983-08-01), Buckles
patent: 4447546 (1984-05-01), Hirshfeld
patent: 4582809 (1986-04-01), Block et al.

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