title: A simple method for the determination of organochlorine pollutants and the enantiomers in oil seeds based on matrix solid-phase dispersion.
abstract: A simple, rapid and effective method was developed based on matrix solid-phase dispersion (MSPD) for the determination of organochlorine pollutants including sixteen organochlorine pesticides (OCPs) and seven polychlorinated biphenyls (PCBs) in oil seeds (peanuts and soybeans). Among the organochlorine pollutants selected, α-HCH, heptachlor, o,p'-DDT, o,p'-DDD, trans-chlordane and cis-chlordane were chiral and their enantiomers were determined by GC-ECD with a chiral column. The MSPD procedure was optimized focusing on the type and amount of dispersion sorbent, co-column sorbent and eluting solvent. Under the optimized condition, good recoveries were obtained in the range of 68.9-103.3% with relative standard deviations (RSD) values below 16.1% in all cases. LODs and LOQs were in range of 0.1-2.0ngg(-1) and 0.4-6.7ngg(-1) respectively. In summary, the method set up was qualified to be used for the determination of the pollutants and the enantiomers in oil seeds.
authors.affiliation: Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China.
authors.forename: Jing
authors.initials: J
authors.lastname: Zhan
authors.affiliation: Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China.
authors.forename: Jindong
authors.initials: J
authors.lastname: Li
authors.affiliation: Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China.
authors.forename: Donghui
authors.initials: D
authors.lastname: Liu
authors.affiliation: Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China.
authors.forename: Chang
authors.initials: C
authors.lastname: Liu
authors.affiliation: Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China.
authors.forename: Genggeng
authors.initials: G
authors.lastname: Yang
authors.affiliation: Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China.
authors.forename: Zhiqiang
authors.initials: Z
authors.lastname: Zhou
authors.affiliation: Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, China. Electronic address: wangpeng@cau.edu.cn.
authors.forename: Peng
authors.initials: P
authors.lastname: Wang
mesh_terms: D010367:Arachis / Q000737:chemistry*; D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D006843:Hydrocarbons, Chlorinated / Q000737:chemistry*; D013058:Mass Spectrometry / Q000379:methods*; D012639:Seeds / Q000737:chemistry*; D013025:Glycine max / Q000737:chemistry*
chemical_list: D006843:Hydrocarbons, Chlorinated
keywords: Cis-chlordane (PubChem CID: 1550472); Hexachlorobenzene (PubChem CID: 8370); Matrix solid-phase dispersion; Organochlorine pollutants; Peanuts; Soybeans; Trans-chlordane (PubChem CID: 91746602); o,p′-DDD (PubChem CID: 4211); o,p′-DDE (PubChem CID: 246598); o,p′-DDT (PubChem CID: 13089); p,p′-DDD (PubChem CID: 6294); p,p′-DDE (PubChem CID: 3035); p,p′-DDT (PubChem CID: 3036); α-HCH, β-HCH, γ-HCH, δ-HCH (PubChem CID: 727)