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Position: Home > Articles > Determination of Organochlorine Pesticides in Fruits and Vegetables by Accelerated Solvent Extraction and Capillary Gas Chromatography Pesticide Science and Administration 2005,26 (10) 10-13

快速溶剂萃取/气相色谱测定果蔬中有机氯农药残留的研究

作  者:
张桃英;饶竹
单  位:
北京市海淀区疾病预防控制中心;中国地质科学院测试中心
关键词:
快速溶剂萃取;果蔬;毛细管气相色谱;有机氯农药残留
摘  要:
建立了使用快速溶剂萃取(ASE)技术提取,毛细管柱为分离柱,以电子捕获检测器检测,用气相色谱法同时测定果蔬中15种有机氯农药的残留量。与国标法——振荡萃取法(MSE)相比,在保证足够的准确度的前提下,具有前处理时间短、所用试剂少的特点。用该方法测试的结果表明,在5种果蔬中填加一定浓度的待测物时,各种待测物的回收率均在85.7% ̄108.5%之间;相对标准偏差(RSD)为1.9% ̄9.5%(6次测定平均值);最低检出限为1.1~20μg/kg.之间,结果表明,使用ASE萃取果蔬中有机氯农药符合国标规定的农药残留检测的需要。
译  名:
Determination of Organochlorine Pesticides in Fruits and Vegetables by Accelerated Solvent Extraction and Capillary Gas Chromatography
作  者:
Zhang Taoying(Haidian District Disease Prevention and Control Center,Beijing 100080)Rao Zhu(The Test Center of the Chinese Geology Science Institute,Beijing 100037)
关键词:
ASE;gas chromatography ;organochlorine pesticides;residue
摘  要:
An analytical procedure using accelerated solvent extraction(ASE)and capillary gas chromatography with electron capture detecton was developed to determine 15 organochlorine pesticides in fruits and vegetables simultaneously. The average recoveries were 85.7%~108.5% with RSD 1.9%~9.5%. The lowest detection limit was 1.1~20μg/kg. The results showed that the ASE could be used as a method to extract residues of organochlorine pesticides in fruits and vegetables.

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