The atlas will be a useful reference for analyzing plant drugs identifying unknown drugs or monitoring the purity or constituents of a given drug all drugs presented meet the standard of the official pharmacopoeia and originate from well defined botanical sources with this guide one can easily use the technique of thin layer chromatography . Plant drug analysis a thin layer chromatography atlas second edition by h wagner and s bladt universitat munchen photographs by v rickl springer verlag brooklyn new york 1996 xv 384 pp 195 x 24 cm 19800 isbn 3 540 58676 8 a douglas kinghorn. This second edition of plant drug analysis includes more than 200 updated color photographs of superb quality demonstrating chromatograms of all relevant standard drugs all drugs presented meet the standard of the official pharmacopoeia and originate from well defined botanical sources with this guide the technique of thin layer chromatography can be easily used without previous . Plant drug analysis a thin layer chromatography atlas 2nd ed find sigma aldrich p3283 msds related peer reviewed papers technical documents similar products more at sigma aldrich. Plant drug analysis a thin layer chromatography atlas hildebert wagner s bladt this second edition of plant drug analysis includes more than 200 updated color photographs of superb quality demonstrating chromatograms of all relevant standard drugs