title: Ultrarapid extraction of insecticides from soil using a new ultrasonic technique.
mesh_terms: D003634:DDT / Q000032:analysis; D003632:Dichlorodiphenyldichloroethane / Q000032:analysis; D004026:Dieldrin / Q000032:analysis; D004988:Ethers, Cyclic / Q000032:analysis; D006533:Heptachlor / Q000032:analysis; D001556:Hexachlorocyclohexane / Q000032:analysis; D006846:Hydrocarbons, Halogenated / Q000032:analysis*; D007306:Insecticides / Q000032:analysis*; D008722:Methods; D008731:Methoxychlor / Q000032:analysis; D012987:Soil / Q000032:analysis*; D014732:Vibration
chemical_list: D004988:Ethers, Cyclic; D006846:Hydrocarbons, Halogenated; D007306:Insecticides; D012987:Soil; D001556:Hexachlorocyclohexane; D006533:Heptachlor; D003634:DDT; D004026:Dieldrin; D008731:Methoxychlor; D003632:Dichlorodiphenyldichloroethane