Liquid purification or separation – With means to add treating material – Chromatography
Patent
1994-04-18
1997-01-28
Therkorn, Ernest G.
Liquid purification or separation
With means to add treating material
Chromatography
210101, 210656, 137262, 137266, B01D 1508
Patent
active
055974805
ABSTRACT:
A gradient generator comprising plural vessels of identical height but varied in cross section filled with compositional different liquids, having inlets for filling and outlets connected to a common discharge tube for discharge and delivering; but said plural vessels are formed by plural pieces of non-rigid bags with different profiles arranged side by side and sandwiched within a clearance of an erect parallel plate pair, and has an extrusion means at bottom to extrude and press flat of said filled plural non-rigid bag vessels parallel from their bottom toward the top when said outlets connected to said common discharge tube is at top.
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Catalog (1994) p. 69 of Hoefer Scientific Instrument, USA.
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