Automatic chemical analyzing apparatus

Details Automatic chemical analyzing apparatus Automatic chemical analyzing apparatus

1987-02-24

1989-02-28

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Sample mechanical transport means in or for automated...

422102, 422104, G01N 3504

Patent

active

048083801

ABSTRACT:
An automatic chemical analysis apparatus having a plurality of separate reagent containers placed inside of an annular array of reaction cuvettes. The reagent containers are arranged so as to be selectively accessible for dispensing a required reagent into a respective cuvette. At a predetermined position on the circular path of the cuvette array, a given sample is dispensed from a sample supply into a cuvette. During transporting of the cuvette containing a sample on a reaction path, a reagent from a selected of the reagent containers placed within the annular reaction cuvette array is dispensed by a suitable dispenser which can swing between the annular array of cuvettes and the reagent containers. After the reaction is completed, while the cuvette is advanced in the reaction line, the reactant containers are subjected to a photometric measurement at a measurement station located past the reagent dispensing position on the reaction line. Then the cuvette is returned through a washing station to an original position of the annular reaction line for receiving a new sample.

REFERENCES:
patent: 4276258 (1981-06-01), Ginsberg et al.
patent: 4311667 (1982-01-01), Gocho
patent: 4325910 (1982-04-01), Jordan
patent: 4344768 (1982-08-01), Parker et al.
patent: 4346056 (1982-08-01), Sakurada
patent: 4647432 (1987-03-01), Wakatake

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