| 气相色谱法测定香蕉和土壤中苯醚甲环唑残留 |
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| 引用本文： | 张学强,陈歆,韩丙军. 气相色谱法测定香蕉和土壤中苯醚甲环唑残留[J]. 热带农业科学, 2011, 31(7): 60-62,92 |
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| 作者姓名： | 张学强 陈歆 韩丙军 |
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| 作者单位： | 1. 中国热带农业科学院分析测试中心,海南海口,571101
2. 中国热带农业科学院环境与植物保护研究所,海南儋州,571737 |
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| 基金项目： | 海南省自然科学基金(No.809026); 中央级公益性科研院所基本科研业务费专项资金(No.2011hzs1J001,2011hzs1J022); 中国热带农业科学院环植所博士启动经费(Hzs1007) |
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| 摘 要： | 建立气相色谱法测定香蕉和土壤中苯醚甲环唑残留量的分析方法。样品经乙腈萃取,采用气相色谱法-氮磷检测器（GC-NPD）进行测定。方法的检出限为0.010 mg/kg,在0.02、0.20、1.00 mg/kg 3个添加水平,香蕉回收率为82%～105%,相对标准偏差为7.4%～10.7%;土壤回收率为80%～104%,相对标准偏差为5.1%～9.3%。方法的重复性较好。
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| 关 键 词： | 气相色谱法 苯醚甲环唑 残留测定 香蕉 土壤 |
Determination of Difenoconazole Residue in Banana and Soil with Gas Chromatography |
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| ZHANG Xueqiang ) CHEN Xin ) HAN Bingjun ). Determination of Difenoconazole Residue in Banana and Soil with Gas Chromatography[J]. Chinese Journal of Tropical Agriculture, 2011, 31(7): 60-62,92 |
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| Authors: | ZHANG Xueqiang ) CHEN Xin ) HAN Bingjun ) |
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| Affiliation: | ZHANG Xueqiang 1) CHEN Xin 2) HAN Bingjun 1) (1 Analysis and Testing Center,CATAS,Haikou,Hainan 571101,China,2 Environment and Plant Protection Institution,Danzhou,Hainan 571737,China) |
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| Abstract: | A method for the determination of difenoconazole residue in fruits was established with GC-NPD.Residues of difenoconazole were extracted from sample with acetonitrile.The final extract was injected into GC with NPD.The detection limit was 0.010 mg/kg.Precision and recovery tests were made at the spike level of 0.02,0.20,1.00 mg/kg.The results of banana and soil were as follows: recoveries in the range of 82%~105% and 80%~104%,relative standard deviation 2.14%~5.51% and 5.1%~9.3%. |
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| Keywords: | gas chromatogram difenoconazole determination banana soil |
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