Automatic chemical analysis

Details Automatic chemical analysis Automatic chemical analysis

1986-02-07

1987-09-08

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Sample mechanical transport means in or for automated...

422 63, 422 81, 422 82, 422100, 436 43, 436 52, 436 53, G01N 3504

Patent

active

046923080

ABSTRACT:
Apparatus for, and a method of, automatic chemical analysis. The apparatus comprises a conveyor system for delivering vials containing samples for analysis through an entry gate and identification arrangement to a series of analytical modules where a succession of tests is effected on each of the samples. Each of the analytical modules comprises a sample probe, a reagent probe, a container for reagent adjacent to the conveyor means, a movable stop member arranged to hold a vial in an appropriate position adjacent to the module, means for moving the movable stop member so as to allow the vial to pass from one module to the next, and means for moving the sample and reagent probes between a first position where they are ready for insertion into a vial, and a second position where they are held clear of the vial. The apparatus also includes synchronizing means arranged to co-ordinate operation of the various elements of the apparatus.
In the method, the vials pass sequentially through the entry gate of the above apparatus at a predetermined rate, and a portion of each of the samples is extracted while the vial is at an analysis station adjacent to one of the analytical modules. A portion of reagent is simultaneously extracted and is combined with the extracted sample into a single flow line. The combined reagent/sample is subjected to an analytical test within the module.

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