Advances in chemistry series, Volume 18

100 gallons 2,4-dichlorophenoxyacetic acid acetone acre agricultural chemicals aldrin alfalfa hay amount of DDT analysis analytical animals apples application benzene benzene hexachloride Chem chemist Chemistry chlordan chlorine Citrus color Compound 118 concentration containing cows crops DDT residues DDT-treated hay dehydrohalogenation determined DFDT dieldrin dosage dust economic poisons effect Entomol ether ethyl alcohol evaporation extract field flask fluorine formulations fruit grams Gunther harvest hazards hexane houseflies insecticidal activity insects isomer laboratory larvae lemons manufacturer material method methoxychlor micrograms milk mixture obtained organic parathion parathion residues pears peel pest pesticides phenyl azide phosphate piperonyl butoxide plant plots pounds prepared present problems procedure public health pure gamma isomer pyrethrins rats reaction samples selenium sodium soil solution solvent specific spray residues substances sulfuric acid surface residues Table temperature tests tetraethyl pyrophosphate tion tissues toxaphene treated treatment trisodium phosphate wettable powder Winesap