Identification of polychlorinated biphenyls and DDT in mixtures by mass spectrometry.
D001713:Biphenyl Compounds / Q000032:analysis*; D002849:Chromatography, Gas; D003634:DDT / Q000032:analysis*; D006846:Hydrocarbons, Halogenated / Q000032:analysis*; D013057:Spectrum Analysis
D001713:Biphenyl Compounds; D006846:Hydrocarbons, Halogenated; D003634:DDT