The premiere research publication in the environmental field.
CHIRALPLATE Method: Principle: Application:
Thin layer chromatography Ligand exchange Separation of enantiomers and diastereomers
Without sample derivatization applicable for: • amino acids · halogenated amino acids • N-formylated and N-methylated amino acids • lactones · dipeptides · thiazolidine dérivâtes CHIRALPLATE unsurpassed for control of optical purity for pharmacologically important substances. Request your free copy of our brochure CHIRALPLATE today MACHEREY NAGER
MN
Macherey-Nagel GmbH & Co. KG P. O. Box 307 • D-5160 Düren • West Germany Tel. 0 24 21 / 610 71 · TeJex 8 33 893 mana d CIRCLE 94 ON READER SERVICE CARD 1200 A • ANALYTICAL CHEMISTRY, VOL. 59, NO. 20, OCTOBER 15, 1987
