Importance

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Abstract

An automatic chemical analyzer comprises a first rotating table supporting a plurality of reaction tubes along a circular first arrangement line and adapted to be intermittently rotated by a first drive motor, and a second rotating table supporting another plurality of reaction tubes along a circular second arrangement line concentric with the first arrangement line and adapted to be intermittently rotated in synchronism with the first table by a second drive motor. The reaction tubes are transferred between the first and second tables. A sampling nozzle, a diluent nozzle, and a plurality of reagent nozzles are fixedly arranged right over the reaction tubes supported by the first and second tables. A specimen, diluent and reagents are injected into the reaction tubes through the nozzles. The absorbance or other property of mixtures of the specimen, diluent and reagents are measured by a measuring system whose measuring point moves along the second arrangement line.

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First Claim