Title: Simultaneous determination of phenyl- and sulfonyl-urea herbicides in river water at sub-parts-per-billion level by on-line preconcentration and liquid chromatography-tandem mass spectrometry.
Journal: Analytica chimica acta 20060804
Title: Photocatalytic degradation of phenyl-urea herbicides chlortoluron and chloroxuron: characterization of the by-products by liquid chromatography coupled to electrospray ionization tandem mass spectrometry.
Journal: Rapid communications in mass spectrometry : RCM 20060101
Title: Multiresidue screening methods for the determination of pesticides in tomatoes.
Journal: Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes 20030901