Liquid chromatographic pump module

Details Liquid chromatographic pump module Liquid chromatographic pump module

1981-04-28

1982-08-31

Adee, John

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Proportionate feed means

2101982, B01D 1508

Patent

active

043471315

ABSTRACT:
Pump module for liquid chromatography for delivering the mobile phase to a separation column under high pressure including a cylinder containing a plunger and forming a syringe pump, a seal disposed between the plunger and cylinder, two positive action valves connect to the output of the pump either to a reservoir of said mobile phase or to a sample injection valve. The pump is dimensioned to accommodate most chromatographic analysis i.e. from about 10 ml to 40 ml.

REFERENCES:
patent: 4191649 (1980-03-01), Hartwick
patent: 4233156 (1980-11-01), Tsukada
patent: 4310420 (1982-01-01), Konishi

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