Method and a device for liquid chromatography

Details Method and a device for liquid chromatography Method and a device for liquid chromatography

1981-05-13

1983-06-21

Adee, John

Liquid purification or separation

Processes

Chromatography

210101, 2101982, B01D 1508

Patent

active

043893163

ABSTRACT:
A method and a device for applying a sample solution to a liquid chromatographic column. The device comprises a container of uniform cross section and a piston slidably arranged in said container and sealingly contacting the container wall so as to divide the container into a driving solution chamber and a sample solution chamber. The piston is arranged to be displaced towards the sample solution chamber when driving solution is pumped into the driving solution chamber while expelling sample solution from the sample solution chamber in an amount proportional to the amount of driving solution pumped into the driving solution chamber. When all sample solution has been expelled from the sample solution chamber the driving solution chamber is automatically put into communication with the outlet of the container.

REFERENCES:
patent: 3934456 (1976-01-01), Munk
patent: 3954617 (1976-05-01), Ishimatsu
High Performance Liquid Chromatography by Knox Edinburg University Press, 1978.

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