title: Visualisation of opium alkaloids on TLC plates by Gibbs reagent spray.
mesh_terms: D000336:Aerosols; D016227:Benzoquinones; D002855:Chromatography, Thin Layer / Q000379:methods; D003061:Codeine / Q000032:analysis; D007097:Imines; D007202:Indicators and Reagents; D009020:Morphine / Q000032:analysis; D009665:Noscapine / Q000032:analysis; D009892:Opium / Q000032:analysis*; D010208:Papaverine / Q000032:analysis; D011809:Quinones; D013797:Thebaine / Q000032:analysis
chemical_list: D000336:Aerosols; D016227:Benzoquinones; D007097:Imines; D007202:Indicators and Reagents; D011809:Quinones; D013797:Thebaine; D009020:Morphine; D009892:Opium; D009665:Noscapine; D010208:Papaverine; D003061:Codeine; C010358:N,2,6-trichloro-4-benzoquinone imine