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气相色谱-质谱法测定粮谷中丁草胺的残留量

Determination of Butachlor Residue in Grains by GC-MS Method

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【作者】 李爱军赵冬晗卢利军牟峻周晓王明泰刘和平姚天玲

【Author】 LI Ai-jun1, ZHAO Dong-han2, LU Li-jun1, MU Jun1, ZHOU Xiao1, WANG Ming-tai1, LIU He-ping1, YAO Tian-ling3 (1.Jilin Entry-exit Inspection and Quarantine Bureau, Changchun 130062, China; 2.Jinlin Agriculture University, Changchun 130002, china; 3.Changchun DaCheng Maize Development Company, Changchun 130062, China)

【机构】 吉林出入境检验检疫局吉林农业大学长春大成玉米开发有限公司

【摘要】 大米、糙米、玉米、大麦、小麦试样用正己烷提取,经凝胶色谱和固相萃取柱净化,气相色谱-质谱仪检测,外标法定量。添加水平在0.01 ̄0.50mg/kg时,回收率范围为80.6% ̄98.5%;相对标准偏差为8.6% ̄15.5%;测定低限为0.010mg/kg。

【Abstract】 Rice, brown rice, corn, barley, wheat sample were extracted with n-hexane, the extract was cleaned up by passing through gel permeation chromatography (GPC) and solid phase extraction (SPE) with one florisil column, and the final solution was determined by GC-MS with external standard method. RSDs were 8.6-15.5% and recoveries were 80.6-98.5%. The limit of determination was 0.010 mg/kg.

【关键词】 气相色谱-质谱粮谷丁草胺
【Key words】 GC-MSgrainsbutachlor
  • 【文献出处】 农药 ,Agrochemicals , 编辑部邮箱 ,2009年04期
  • 【分类号】TQ450.263
  • 【被引频次】6
  • 【下载频次】195
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