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pH-Zone-refining counter-current chromatography: a displacement mode applied to separation of dinitrophenyl amino acids

โœ Scribed by Yoichiro Itoc; Ying Ma


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
751 KB
Volume
672
Category
Article
ISSN
1873-3778

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## Abstract To isolate atropine and scopolamine from __Daturae metelis Flos__, three different elution modes have been applied in pHโ€zoneโ€refining counterโ€current chromatography. These separations were performed with a twoโ€phase solvent system composed of ethyl acetate/__n__โ€butanol/water (4:1:5โ€‰v/