| 气相色谱法测定中药材中有机氯农药的残留量 |
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| 引用本文： | 李艳霞,邹图德,万益群.气相色谱法测定中药材中有机氯农药的残留量[J].南昌大学学报(理科版),2005,29(6):514-517. |
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| 作者姓名： | 李艳霞 邹图德 万益群 |
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| 作者单位： | 南昌大学,分析测试中心,江西,南昌,330047;南昌大学,分析测试中心,江西,南昌,330047;南昌大学,分析测试中心,江西,南昌,330047 |
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| 基金项目： | 江西省自然科学基金资助项目（0420039） |
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| 摘 要： | 对中药中11种有机氯农药的毛细管气相色谱测定方法进行了研究。以水-丙酮（3：7，V／V）为提取剂，采用超声波辅助提取中药中残留的农药，经正己烷液一液分配，浓硫酸净化，采用不分流进样方式，用HP-5弹性石英毛细管柱经柱程序升温技术分离，并用电子捕获检测器检测，峰面积外标法定量，取得了较好的效果。方法的添加回收率在（80．2～118．4）％，相对标准偏差为（1．02～11．1）％，从而建立了中药中有机氯农药残留测定的新方法。
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| 关 键 词： | 中药材 有机氯农药 残留量 气相色谱法 |
| 文章编号： | 1006-0464（2005）06-00514-04 |
| 收稿时间： | 2005-01-10 |
| 修稿时间： | 2005年1月10日 |
DETERMINATION OF ORGANOCHLORINE PESTICIDE RESIDUES IN TRADITIONAL CHINESE MEDICINES BY CAPILLARY GAS CHROMATOGRAPHY |
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| LI Yan-xia,ZOU Tu-de,WAN Yi-qun.DETERMINATION OF ORGANOCHLORINE PESTICIDE RESIDUES IN TRADITIONAL CHINESE MEDICINES BY CAPILLARY GAS CHROMATOGRAPHY[J].Journal of Nanchang University(Natural Science),2005,29(6):514-517. |
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| Authors: | LI Yan-xia ZOU Tu-de WAN Yi-qun |
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| Institution: | Analysis and Testing Center Nanchang University, Nanchang 330047, China |
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| Abstract: | A method was developed for the determination of 11 organchlorine pesticide residues in Chinese herbal medicine by the capillary gas chromatography with the electron capture detector(CGC-ECD).Sonication extraction system was used,in which acetone was the extractant.The solvent of sodium chloride was added to the extractant to separate the pesticides,n-Hexane was also added to carry out liquid-liquid extraction.The extracts were clearned up by concentrated H_2SO_4.The recoveries obtained from samples were in the range of(80.2~118.4)%,with relative standard deviations of(1.02~11.1)%.The method was proved to be effective and practical. |
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| Keywords: | Chinese herbal medicine organochlorine pesticide residues gas chromatography |
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