title: Isomer-selective determination of tetrachlorodibenzo-p-dioxins using hydroxyl negative ion chemical ionization mass spectrometry combined with high-resolution gas chromatography.
mesh_terms: D002849:Chromatography, Gas / Q000379:methods; D004147:Dioxins / Q000032:analysis*; D007536:Isomerism; D013058:Mass Spectrometry / Q000379:methods; D000072317:Polychlorinated Dibenzodioxins / Q000032:analysis*
chemical_list: D004147:Dioxins; D000072317:Polychlorinated Dibenzodioxins