Method and an apparatus for transferring a reference liquid from

Details Method and an apparatus for transferring a reference liquid from Method and an apparatus for transferring a reference liquid from

1979-02-13

1981-06-30

Bell, Jr., Houston S.

Fluent material handling, with receiver or receiver coacting mea

Processes

Battery grid pasting

222325, 222394, B65B 304

Patent

active

042757746

ABSTRACT:
Ampoule-packed reference liquids for electrochemical measuring instruments, especially blood measuring instruments, are transferred from the ampoule to the measuring instrument pneumatically by providing a discharge conduit from the liquid in the ampoule, and providing, at the surface of the liquid in the ampoule, an elevated pressure so as to discharge liquid from the ampoule through the said conduit, and introducing the liquid in the measuring instrument. This pneumatic way of transfer is shown to give less distortion of the data of the reference liquid and to be less operator-dependent than the known methods. Invention also concerns a dispenser for performing the method, typically comprising an adaptor for receiving an opened ampoule and a pump for establishing the elevated pressure.

REFERENCES:
patent: 3843326 (1974-10-01), Lichtenstenen
patent: 3885414 (1975-05-01), Reville

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