| 液相色谱法测定葡萄及柑橘中二氰蒽醌的残留量 |
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| 引用本文： | 马婧玮,李萌,张军锋,刘继红,吴绪金.液相色谱法测定葡萄及柑橘中二氰蒽醌的残留量[J].现代农药,2014(3):43-45. |
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| 作者姓名： | 马婧玮 李萌 张军锋 刘继红 吴绪金 |
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| 作者单位： | 河南省农业科学院农业质量标准与检测技术研究所,郑州450002 |
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| 摘 要： | 建立了液相色谱快速测定葡萄及柑橘中二氰蒽醌残留量的方法。样品经乙腈和盐酸水溶液提取,NaCl盐析,直接液相色谱检测。与现有方法相比,本方法前处理简单、快速、溶剂消耗量少。二氰蒽醌在0.6,3.0 mg/kg 2个添加水平下,平均回收率为91.5%~107.1%,相对标准偏差为1.3%~2.4%,方法的最低检测浓度为0.1 mg/kg。
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| 关 键 词： | 二氰蒽醌 液相色谱 葡萄 柑橘 残留 |
Determination of Dithianon Residues in Grape and Citrus by Liquid Chromatography |
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| MA Jing-wei,LI Meng,ZHANG Jun-feng,LIU Ji-hong,WU Xu-jin.Determination of Dithianon Residues in Grape and Citrus by Liquid Chromatography[J].Modern Agrochemicals,2014(3):43-45. |
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| Authors: | MA Jing-wei LI Meng ZHANG Jun-feng LIU Ji-hong WU Xu-jin |
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| Affiliation: | (Institute of Quality Standards ＆ Testing Technology for Agriculture, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China) |
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| Abstract: | A method for determination of dithianon residues in grape and citrus was developed. Samples were extracted by acetonitrile and hydrochloric acid aqueous solution, salted out by sodium chloride, then determined by liquid chromatography （LC）. Compared with the existing methods, the pretreatment of the new method was easy, rapid, cheap. At two fortified levels of 0.6, 3.0 mg/kg, the average recoveries of dithianon in different matrix ranged from 91.5%to 107.1%with the relative standard deviations （RSD） of 1.3%-2.4%（n=5）. The limit of quantification of the method was 0.1 mg/kg. |
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| Keywords: | dithianon liquid chromatography grape citrus residue |
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