Automatic chemical analyzer

Details Automatic chemical analyzer Automatic chemical analyzer

1978-10-10

1980-04-29

Serwin, R. E.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Sample mechanical transport means in or for automated...

422 81, G01N 2124, G01N 114

Patent

active

042006074

ABSTRACT:
An automatic chemical analyzer includes a rotary disc which is intermittently driven for rotation in a given direction and which is provided with a plurality of holders, each of which receives a reaction tube therein. The reaction tubes are disposed to move through an annular channel of a thermostat liquid vessel which maintains first reagent and a liquid sample to be examined, both injected into a reaction tube, at a given temperature. Second reagent is heated to a predetermined temperature before it is injected into the reaction tube. After the injection, the liquids are agitated to mix them together, and the resulting reaction solution is then subject to a colorimetric determination by an optical measuring instrument. Subsequently, the reaction solution is discarded, and rinse water which is previously heated to a given temperature is supplied to the tube for cleaning it.

REFERENCES:
patent: 3592605 (1971-07-01), Noma et al.
patent: 3762879 (1973-10-01), Moran
patent: 3799744 (1974-03-01), Jones
patent: 3881872 (1975-05-01), Naono
patent: 4052161 (1977-10-01), Atwood et al.
patent: 4054416 (1977-10-01), Duff
patent: 4158545 (1979-06-01), Yamashita et al.

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