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Determination of organochlorine pesticides in plants by stir bar sorptive extraction coupled with gas chromatography
Wang Yan-Juan2; Guan Wen-Na1; Wang Hua1; Guan Ya-Feng1
刊名CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
2008-07-01
36期:7页:1004-1008
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Analytical
研究领域[WOS]Chemistry
关键词[WOS]SOLID-PHASE MICROEXTRACTION
英文摘要Organchlorine pesticides in buckwheat and sophora flavescens were determined using stir bar sorptive extraction coupled to gas chromatography and electron capture detection. Poly (phthalazine ether sulfone ketone (PPESK) and poly(dimethysiloxane) (PDMS) were used as extraction phases, and their relative extraction amount for 8 organochlorines were compared. The results showed that the extraction capacity of PPESK were 1 to 11 times higher than that of PDMS. Factors affecting the amount of extraction, such as temperature, extraction time and ion strength, were optimized, and the matrix effect was also evaluated. Limits of detection (LOD) of organchlorines in buckwheat were between 4 pg/g and 85 pg/g; the error of precision was less than 26%; the recoveries were from 83% to 135%. The LOD of organchlorines in sophora flavescens were in the range of 3 - 17 pg/g, the error of precision was less than 17%, the recoveries were 82% -128%.
语种英语
WOS记录号WOS:000258939700029
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140899
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dept Instrumentat & Analyt Chem, Dalian 116023, Peoples R China
2.Dalian Dafang Instrument Inc Ltd, Dalian 116023, Peoples R China
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Wang Yan-Juan,Guan Wen-Na,Wang Hua,et al. Determination of organochlorine pesticides in plants by stir bar sorptive extraction coupled with gas chromatography[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2008,36(7):1004-1008.
APA Wang Yan-Juan,Guan Wen-Na,Wang Hua,&Guan Ya-Feng.(2008).Determination of organochlorine pesticides in plants by stir bar sorptive extraction coupled with gas chromatography.CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,36(7),1004-1008.
MLA Wang Yan-Juan,et al."Determination of organochlorine pesticides in plants by stir bar sorptive extraction coupled with gas chromatography".CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 36.7(2008):1004-1008.
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