Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1992-03-06
1993-06-08
Sever, Frank
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
21032175, 21032184, 210406, 2104161, B01D 6114
Patent
active
052176193
ABSTRACT:
System, apparatus and method for efficiently and effectively isolating analytes from a liquid sample by solid phase extraction comprises a workstation platform with a plurality of suction providing stations for receiving either or both a detachably mounted collection chamber housing a removable collection vessel and membrane holder with removable, screen supported disc membrane, the holder having an inlet opening for receiving a liquid and a passageway through the screen supported disc membrane to an exit port for flow and collection, at the appropriate time, of analytes, extraction solvent, or liquid sample. The membrane holder is adapted to be releasably mounted into either the suction stations or the collection chamber. The removable collection vessel in the collection chamber enables prompt, timely, safe and effective removal of solvent, analyte or liquid from the system. The workstation platform is preferably rotatable for ease of access to the plurality of suction providing stations.
REFERENCES:
patent: 4810471 (1989-03-01), Wachob et al.
Good Thomas J.
Redmond, Jr. Melvin W.
J. T. Baker Inc.
Sever Frank
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