Analyzing Pesticide Residues in Lettuce by the EN 15662 Method using Phenomenex roQ™ QuEChERS Kits Followed by LC/MS/MS and GC/MS Analysis
25 Feb 2013In this application note the Phenomenex roQ™ EN 15662 Method Extraction and dSPE QuEChERS Kits were used to successfully extract 25 pesticides of different classes from lettuce. Analysis was performed by LC/MS/MS using a Luna® C18(2)HPLC column and GC/MS using a Zebron™ ZB-5MSi column. This method produced acceptable recoveries and reproducibilities per the official EN 15662 method. The roQ QuEChERS dSPE MgSO4/PSA Kit can also be used for other fruit and vegetable matrices that are not highly pigmented.
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Zebron™ ZB-5ms GC Columns
Phenomenex IncLow Bleed Performance for GC/MSMost popular starting column for method developersArylene Matrix Technology (AMT) provides a highly stable arylene phase for enhanced resolution of PAHs and multi-ring aromatic compoundsLow bleed (MS certified) especially suited to high sensitivity work using GC/MSRecommended UseAcids, Alkaloids, Amines, Dioxins, Drugs, EPA Methods (525, 610, 625, 8100), Essential Oils/Flavors, FAMEs, Halo-hydrocarbons, PCBs/Aroclors, Pesticides/Herbicides, Phenols, Residual Solvents, Semi-volatiles, Solvent Impurities
roQ™ QuEChERS Kits
Phenomenex IncQuick, Easy, Cheap, Effective, Rugged for multiresidue pesticide clean-up