| 气相色谱和气相色谱-质谱法测定食品中乙草胺残留 |
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| 引用本文： | 董振霖,杨春光,肖珊珊,赵景红,李一尘.气相色谱和气相色谱-质谱法测定食品中乙草胺残留[J].分析化学,2009,37(5). |
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| 作者姓名： | 董振霖 杨春光 肖珊珊 赵景红 李一尘 |
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| 作者单位： | 辽宁出入境检验检疫局, 大连,116610 |
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| 基金项目： | 国家质检总局行业标准制定项目 |
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| 摘 要： | 建立了气相色谱和气相色谱-质谱法检测10种植物源性和动物源性食品中乙草胺残留量检测方法.粮谷类和动物源性样品采用乙腈提取,GPC结合硅胶固相萃取柱净化;蔬菜类样品采用乙酸乙酯提取、硅胶固相萃取柱净化;元葱等样品先进行微波消解,然后采用乙酸乙酯提取,硅胶固相萃取柱净化.气相色谱和气相色谱-质谱联用法检测.两种方法检出限均为0.004 mg/kg; 在0.01～0.16 mg/L范围内均呈良好的线性关系,相关系数为0.9998和0.9997;在0.01、0.02和0.05 mg/kg的添加水平下,添加回收率在70%～102%之间;相对标准偏差(RSD)均小于10%.
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| 关 键 词： | 气相色谱 气相色谱-质谱 乙草胺 食品 基质效应 |
Determination of Acetochlor Residue in Food by Gas Chromatography and Gas Chromatography-Mass Spectrometry |
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| DONG Zhen-Lin,YANG Chun-Guang,XIAO Shan-Shan,ZHAO Jing-Hong,LI Yi-Chen.Determination of Acetochlor Residue in Food by Gas Chromatography and Gas Chromatography-Mass Spectrometry[J].Chinese Journal of Analytical Chemistry,2009,37(5). |
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| Authors: | DONG Zhen-Lin YANG Chun-Guang XIAO Shan-Shan ZHAO Jing-Hong LI Yi-Chen |
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| Institution: | Liaoning Enter-Exit Inspection and Quarantine Bureau;Dalian 116610 |
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| Abstract: | A method was established to determination of acetochlor in 10 kinds of foods by gas chromatography and gas chromatography-mass spectrometry.The foods of grain and animal-based were extracted by acetonitrile and cleaned with GPC combined silica gel SPE cartridge,extracted by ethyl acetate and cleaned only with silica gel SPE cartridge for the foods of vegetables.Specially,onion was digested with microwave firstly.Then,extracted by ethyl acetate and cleaned with silica gel SPE cartridge.The final extract of f... |
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| Keywords: | Gas Chromatography gas chromatography-mass spectrometry acetochlor food matrix-induced effect |
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