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Routine determination of sulfonylurea, imidazolinone, and sulfonamide herbicides at nanogram-per-liter concentrations by solid-phase extraction and liquid chromatography/mass spectrometry

EngineeringPesticide-residue AnalysisEnvironmental EngineeringMedicineEnvironmental Analytical ChemistryMass SpectrometryToxicologyAnalytical ChemistryRoutine DeterminationSolid-phase ExtractionLiquid Chromatography/mass SpectrometryLiquid ChromatographyChemical PollutionPharmacologyChemical ContaminantChromatography