books.google.ch - High-Performance Thin-Layer Chromatography for the Analysis of Medicinal Plants presents the theoretical and technical information needed to perform reliable and reproducible high-performance thin-layer chromatography (HPTLC) to establish the identity, purity, quality, and stability of raw materials,...http://books.google.ch/books/about/High_Performance_Thin_Layer_Chromatograp.html?hl=de&id=arvZGnebybwC&utm_source=gb-gplus-shareHigh-Performance Thin-Layer Chromatography for the Analysis of Medicinal Plants