title: [Preparation of soil candidate reference materials for the analysis of organochlorine pesticides in soils].
abstract: The preparation method of new soil candidate certified reference materials (CRM) for the analysis of organochlorine pesticides in soils has been developed. The soil sample was dried, ground, homogenized and packed. After Soxhlet extraction and Florisil purification, the organochlorine pesticides in soil candidate were further determined using gas chromatography-mass spectrometry. The results showed that the soil collected from Shenyang was an ideal soil candidate material for organochlorine pesticide analysis. This method established a foundation for the development of soil reference materials for the analysis of organochlorine pesticides.
authors.affiliation: Institute for Environmental Reference Materials of Ministry of Environmental Protection, Beijing 100029, China.
authors.forename: Dandan
authors.initials: D
authors.lastname: Cao
authors.forename: Wen
authors.initials: W
authors.lastname: Tian
authors.forename: Yuepeng
authors.initials: Y
authors.lastname: Feng
authors.forename: Haiping
authors.initials: H
authors.lastname: Liu
authors.forename: Henan
authors.initials: H
authors.lastname: Qiu
authors.forename: Zhongxiang
authors.initials: Z
authors.lastname: Wu
mesh_terms: D053000:Analytic Sample Preparation Methods / Q000379:methods / Q000592:standards*; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods*; D006843:Hydrocarbons, Chlorinated / Q000032:analysis*; D010573:Pesticide Residues / Q000032:analysis*; D012015:Reference Standards; D012987:Soil / Q000032:analysis; D012989:Soil Pollutants / Q000032:analysis*
chemical_list: D006843:Hydrocarbons, Chlorinated; D010573:Pesticide Residues; D012987:Soil; D012989:Soil Pollutants