Liquid purification or separation – Processes – Liquid/liquid solvent or colloidal extraction or diffusing...
Patent
1989-03-03
1990-01-02
Spear, Frank
Liquid purification or separation
Processes
Liquid/liquid solvent or colloidal extraction or diffusing...
210656, 21050023, B01D 1300
Patent
active
048911372
ABSTRACT:
A process removes FMOC--OH which is an undesirable by-product of the derivatization of amino acids by FMOC. The process uses a silicone rubber membrane extractor cell. The sample containing the FMOC--OH is held in a silicone rubber tubing, while pentane flows past the outside of the tube; the FMOC--OH is thus extracted from the sample into the pentane. The process is integrated into a conventional high performance liquid chromatography system and is readily automated.
REFERENCES:
patent: 3951789 (1976-04-01), Lee et al.
Nohl Andre
Perkins Ronald V.
Spear Frank
Spectra-Physics Inc.
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