Method for correcting for changes in air pressure above a liquid

Details Method for correcting for changes in air pressure above a liquid Method for correcting for changes in air pressure above a liquid

1985-04-01

1987-06-23

Lacey, David L.

Chemistry: analytical and immunological testing

Including sample preparation

Volumetric liquid transfer

7386301, 7386435, 222 61, 222396, 222397, 422100, B65D 8314, B67D 508, G01N 110, G01N 114

Patent

active

046753010

ABSTRACT:
There is disclosed dispensing apparatus using a container for liquid, the apparatus comprising pressurizing means for aspirating liquid into the container, and for pressurizing liquid within the container to dispense the liquid. To control the ambient pressure of the atmosphere above the liquid within the container, system control means and a method of control are provided. Such means and the corresponding step of the method comprise

REFERENCES:
patent: 3992158 (1976-11-01), Przybylowicz et al.
patent: 4041995 (1977-08-01), Columbus
patent: 4053381 (1977-10-01), Hamblen et al.
patent: 4258001 (1981-03-01), Pierce et al.
patent: 4287155 (1981-09-01), Tersteeg et al.
patent: 4340390 (1982-07-01), Collins et al.
patent: 4452899 (1984-06-01), Alston

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