title: Determination of fluorine and bromine in halogenated herbicide residues in soil by Spark Source mass spectrometry.
mesh_terms: D001966:Bromine / Q000032:analysis; D005461:Fluorine / Q000032:analysis; D006540:Herbicides / Q000032:analysis*; D006846:Hydrocarbons, Halogenated / Q000032:analysis*; D013058:Mass Spectrometry; D008722:Methods; D010573:Pesticide Residues / Q000032:analysis*; D012987:Soil / Q000032:analysis; D013057:Spectrum Analysis
chemical_list: D006540:Herbicides; D006846:Hydrocarbons, Halogenated; D010573:Pesticide Residues; D012987:Soil; D005461:Fluorine; D001966:Bromine