title: A simple and inexpensive method for the visual detection of sub-microgram amounts of halogenated substances present in gas chromatographic effluents.
mesh_terms: D002849:Chromatography, Gas; D006846:Hydrocarbons, Halogenated / Q000032:analysis*; D008722:Methods; D008832:Microchemistry; D010573:Pesticide Residues / Q000032:analysis*
chemical_list: D006846:Hydrocarbons, Halogenated; D010573:Pesticide Residues