| 微波萃取气相色谱法测定鱼肉中有机氯残留 |
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| 引用本文： | 郑林,施泽明,李佳宣,林清梅,倪师军. 微波萃取气相色谱法测定鱼肉中有机氯残留[J]. 四川理工学院学报(自然科学版), 2010, 23(1): 62-64,68 |
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| 作者姓名： | 郑林 施泽明 李佳宣 林清梅 倪师军 |
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| 作者单位： | 1. 成都理工大学地球化学系,成都,610051
2. 成都理工大学地球化学系,成都,610051;福建省核工业294大队,福州,350013 |
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| 基金项目： | 中国地质调查局"成都经济区城市生态地球化学调查与评价"和国家环保部"汶川特大地震造成矿山破坏对农田土壤污染评估与应对措施"联合资助 |
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| 摘 要： | 探索测定鱼肉中有机氯的快速、准确和价廉的方法。采用微波萃取技术提取鱼肉中的六六六、滴滴涕,再利用毛细管气相色谱分离,微电子捕获检测器检测。8种有机氯农药回收率在89.3%-104.2%之间,相对标准偏差均小于10%。说明准确度与精密度较好,符合农药残留量分析的基本要求。探索了各成分在不同食性鱼肉中的含量特征,结果显示:肉食性鱼类杂食性鱼类草食性鱼类。可见,有机氯农药随着食物链在生物体内富集。
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| 关 键 词： | 微波萃取 气相色谱 鱼 有机氯 |
Analysis of Organic Chlorinated Pesticides in Fish by Microwave Extraction/Capillary GC |
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| ZHENG Lin,SHI Ze-ming,LI Jia-xuan,LIN Qing-mei,NI Shi-jun. Analysis of Organic Chlorinated Pesticides in Fish by Microwave Extraction/Capillary GC[J]. Journal of Sichuan University of Science & Engineering(Natural Science Editton), 2010, 23(1): 62-64,68 |
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| Authors: | ZHENG Lin SHI Ze-ming LI Jia-xuan LIN Qing-mei NI Shi-jun |
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| Affiliation: | ZHENG Lin1,SHI Ze-ming1,LI Jia-xuan1,LIN Qing-mei1,2,NI Shi-jun1(1.Department of Geochemistry,Chengdu University of Technology,Chengdu 610051,China,2.No.294 Geological Party of Fujian Provincial Nuclear Industry,Fuzhou 350013,China) |
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| Abstract: | The aim was to explore the quick,exact and cheap method for detection on fish.The organic chlorinated pesticides(HCHs and DDTs) in fish were extracted by microwave extraction and analyzed by capillary GC with μECD.The extraction recovery was 89.3%-104.2%,and RSD was less than 10%.Accuracy and precision which were better accorded to the requirements of analysis of pesticide residues.Explored the content characteristics of organochlorine in kinds of fish.The results showed that:flesh-eat fish>omnivorous fish>herbivorous fish.Obviously,organochlorine pesticides enriched in the organisms body with the food chain. |
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| Keywords: | microwave extraction GC-ECD fish organochlorine |
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