食品科学 ›› 2005, Vol. 26 ›› Issue (3): 204-208.

• 分析检测 • 上一篇    下一篇

蔬菜中高毒有机磷农药多残留的检测方法研究

 陈浩, 柳训才, 李胜清, 陈智东   

  1. 华中农业大学理学院; 湖北省农科院测试中心
  • 出版日期:2005-03-15 发布日期:2011-09-19

Method for Multiresidue Determination of High Acute Toxicity Organophosphorous Pesticides in Vegetables

 CHEN  Hao, LIU  Xun-Cai, LI  Sheng-Qing, CHEN  Zhi-Dong   

  1. 1.College of Sciences, Huazhong Agricultural University; 2.Testing Center, Hubei Academy of Agricultural Science
  • Online:2005-03-15 Published:2011-09-19

摘要: 采用J&WDB-1701型毛细管色谱柱及FPD检测器,建立了同时测定蔬菜中高毒有机磷农药甲胺磷、甲拌磷、氧乐果、毒死蜱、甲基对硫磷、对硫磷残留量的气相色谱法,测定6种有机磷农药残留量的线性范围均为0.05~5.00mg/L,相关系数为0.99868~0.99952,检出限为0.0184~0.0396mg/L,加标回收率为74.4%~98.7%,相对标准偏差为4.72%~2.17%。

关键词: 固相萃取-气相色谱, 有机磷农药, 蔬菜, 测定

Abstract: A method which combined solid phase extraction (SPE) and gas chromatography for multi-residue determination of organophosphorous pesticides in vegetables was discussed in this paper. Methamidophos, phoyate, omethate, chlorpyrifos, parathion-methyl and parathion were selected as the analytic targets representing toxic organophosphorous pesticides. Satisfac- tory results could be obtained as the recoveries were greater than 80%, the entire analytic time was no longer than 1h, and the detection limit ranged from 0.0184 mg/L to 0.0396mg/L. The method discussed could be applied for quick and accurate determination of organophosphorous pesticides in vegetables.

Key words: organophosphorous pesticides, multi-residuedetermination, SPE-GC, vegetables