Discrimination between PCB and DDT residues by a gas chromatographic-mass spectrometric technique.
D002849:Chromatography, Gas; D003634:DDT / Q000032:analysis*; D003633:Dichlorodiphenyl Dichloroethylene / Q000032:analysis; D013058:Mass Spectrometry; D008722:Methods; D010573:Pesticide Residues / Q000032:analysis*; D011078:Polychlorinated Biphenyls / Q000032:analysis*
D010573:Pesticide Residues; D003633:Dichlorodiphenyl Dichloroethylene; D003634:DDT; D011078:Polychlorinated Biphenyls