title: A multiresidue method for the determination of 107 pesticides in cabbage and radish using QuEChERS sample preparation method and gas chromatography mass spectrometry.
abstract: A rapid, specific and sensitive multiresidue method based on the modified Quick Easy Cheap Effective Rugged and Safe (QuEChERS) sample preparation method and gas chromatography with the electron impact mass spectrometric detection in the selected ion monitoring mode (GC-MS-SIM) using one target and two qualifier ions for the routine analysis of 107 pesticides in cabbage and radish has been developed. The recoveries for all the pesticides studied were from 80% to 115% with relative standard deviation lower than 15% in the concentration range of 0.030-0.360mg/kg. The limit of quantitation (LOQ) for most compounds met MRLs for pesticides in cabbage and radish in Korea. This method was successfully applied to analysis commercial cabbage and radish samples.
authors.affiliation: Department of Chemistry, Chungnam National University, Daejeon, South Korea.
authors.forename: Thanh Dong
authors.initials: TD
authors.lastname: Nguyen
authors.affiliation: Department of Chemistry, Chungnam National University, Daejeon, South Korea.
authors.forename: Ji Eun
authors.initials: JE
authors.lastname: Yu
authors.affiliation: Korea Research Institute of Analytical Technology (KRIAT), Daejeon, South Korea.
authors.forename: Dae Myung
authors.initials: DM
authors.lastname: Lee
authors.affiliation: Department of Chemistry, Chungnam National University, Daejeon, South Korea. Electronic address: ghlee@cnu.ac.kr.
authors.forename: Gae-Ho
authors.initials: GH
authors.lastname: Lee
keywords: Cabbage; GC–MS-SIM; Pesticide residues; QuEChERS; Radish