Sample filtration, separation and dispensing device

Details Sample filtration, separation and dispensing device Sample filtration, separation and dispensing device

1988-05-12

1991-03-19

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422100, 422102, 436177, 436178, 210335, 210339, 210450, 210247, B01C 1100

Patent

active

050009222

ABSTRACT:
An apparatus for dispensing a predetermined amount of a sample into a fluid. The apparatus comprises a chamber which may be inserted into a cuvette. The chamber comprises a membrane or filter ball for dispensing a predetermined amount of a sample into a fluid upon contact of the membrane or filter ball and the sample by the fluid. The fluid is brought into contact with the sample by vortexing the fluid with a vortex mixer.

REFERENCES:
patent: 589648 (1897-09-01), Ferdia
patent: 4294594 (1981-10-01), Sloane, Jr. et al.
patent: 4426295 (1984-01-01), Evans et al.
patent: 4600507 (1985-07-01), Shimizu
patent: 4632901 (1986-12-01), Valkirs et al.
patent: 4696797 (1987-09-01), Kelton

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