title: Confirmation of organophosphorus insecticides by chemical reduction.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D002849:Chromatography, Gas; D002857:Chromium; D006851:Hydrochloric Acid; D007306:Insecticides / Q000032:analysis*; D008670:Metals; D010084:Oxidation-Reduction; D010278:Parathion / Q000031:analogs & derivatives; D010573:Pesticide Residues / Q000032:analysis; D010783:Photometry; D015032:Zinc
chemical_list: D007306:Insecticides; D008670:Metals; D010573:Pesticide Residues; D002857:Chromium; D010278:Parathion; D015032:Zinc; D006851:Hydrochloric Acid