Serial dilution of liquid samples

Details Serial dilution of liquid samples Serial dilution of liquid samples

1984-09-28

1988-05-24

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422 63, 422 82, 422100, 436 54, 436179, 436180, 13762542, 141 90, 7386373, 7386484, G01N 110, G01N 2111, G01N 3116, G01N 3506

Patent

active

047464917

ABSTRACT:
An apparatus and method for serial dilution of liquid samples comprises a power-driven measuring valve having a rotatably mounted valve body provided with a single calibrated measuring passageway. During a dilution cycle the measuring passageway in different rotational positions of the valve body successively isolates a measured volume of a sample to be diluted and an equal volume of a first diluted solution of the sample which has been prepared by mixing the isolated undiluted volume of the sample with a measured volume of diluent. In a valve body position between said different rotational positions the measuring passageway is connected to form part of a rinsing flow system.

REFERENCES:
patent: 3223123 (1965-12-01), Young
patent: 3291347 (1966-12-01), Blades
patent: 3990853 (1976-11-01), Godin
patent: 4148859 (1979-04-01), Simpson et al.
patent: 4152391 (1984-03-01), Cabrera

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