title: Small-scale method for the determination of organophosphorus insecticides in tea using sulphuric acid as clean-up reagent.
authors.affiliation: Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou.
authors.forename: H B
authors.initials: HB
authors.lastname: Wan
mesh_terms: D002849:Chromatography, Gas / Q000379:methods*; D004117:Dimethoate / Q000032:analysis; D005278:Fenitrothion / Q000032:analysis; D007306:Insecticides / Q000032:analysis*; D008294:Malathion / Q000032:analysis; D009946:Organothiophosphorus Compounds / Q000032:analysis; D013464:Sulfuric Acids; D013662:Tea / Q000032:analysis*
chemical_list: D007306:Insecticides; D009946:Organothiophosphorus Compounds; D013464:Sulfuric Acids; D013662:Tea; C009145:quinalphos; D008294:Malathion; D004117:Dimethoate; D005278:Fenitrothion