Study of Analytical Methods for Determining 16 Organophosphorus Pesticide Residues in Panax Notoginseng and Aucklandia Lappa Decne by Automated Solid-Phase Extraction System and GC/MS
Abstract:A fast and sensitive multi-residue analytical method was developed for the determination of organophosphorus pesticide residues in Panax notoginseng and Aucklandia lappa decne by comparing an ultrasonic extraction and homogenate extraction approach coupled with automated solid-phase extraction system and gas chromatography-mass spectrometry (GC/MS). Various factors affecting the homogenate extraction and purification efficiency were investigated in detail. The optimum conditions for homogenate extraction of or… Show more
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