GPHF Minilab manuals on basic dye and thin layer chromatographic testing. The newest version of the manual (Volume I + II) from 2008 is available in three languages: English, French, Spanish. Combining the main manual with the supplements issued each year between 2010 and 2015, label claims on drug identity and content can now be verified for 75 active ingredients and their fixed-dose combination products using simple, rapid and affordable thin layer chromatographic tests. Please note: Only the demo versions are online available!! The complete manuals are only available after purchasing the Minilab!