title: Removal of sulfur in environmental samples prior to gas chromatographic analysis for pesticide residues.
mesh_terms: D000535:Aluminum; D002849:Chromatography, Gas; D003300:Copper; D004583:Electrons; D006846:Hydrocarbons, Halogenated / Q000032:analysis; D008294:Malathion / Q000032:analysis; D008722:Methods; D010278:Parathion / Q000032:analysis; D010575:Pesticides / Q000032:analysis*; D012987:Soil / Q000032:analysis; D013455:Sulfur; D014876:Water Pollution / Q000032:analysis
chemical_list: D006846:Hydrocarbons, Halogenated; D010575:Pesticides; D012987:Soil; D010278:Parathion; D013455:Sulfur; D003300:Copper; D000535:Aluminum; D008294:Malathion