Sample dispensing system in an automatic chemical testing appara

Details Sample dispensing system in an automatic chemical testing appara Sample dispensing system in an automatic chemical testing appara

1976-09-21

1978-03-14

Serwin, R.E.

Chemistry: physical processes

Physical processes

Crystallization

23259, 141130, G01N 110, G01N 3316

Patent

active

040788954

ABSTRACT:
In an automatic chemical testing apparatus, means are provided for dispensing aliquots of a sample to reaction containers. A carriage means housing a self-priming hydraulic circuit mounted for motion on a support arm housing drive means. During an operating cycle, control means operate the drive means to position a conduit communicating with the hydraulic circuit over a sample source and aspirate an amount of the serum into the hydraulic circuit. The carriage means is then moved, preferably at uniform rate over a row and dispensing means are pulsed to dispense samples into individual reaction containers while the carriage means is moving. The carriage means is then returned to its starting position.

REFERENCES:
patent: 3644095 (1972-02-01), Netheler et al.
patent: 3728079 (1973-04-01), Moran
patent: 3854879 (1974-12-01), Figueroa
patent: 3883305 (1975-05-01), Hoskins et al.
patent: 3985508 (1976-10-01), Williams

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