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《Science and Technology of Food Industry》 2009-06
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Determination of nitrapyrin,oxadiazon and atrazine residues in fruit by gas chromatography

ZHOU Yan-ming,SUN Xin(Shenyang Agriculture University,Shengyang 110161,China)  
A gas chromatographic method of analysis for three kinds of herbicide residues in fruit.The residues of herbicides were extracted from samples with dichloromethane and the extractive removed through a florisil column.Then dichloromethane:ethyl acetate(9:1)eluted it.Herbicides determination was performed with the gas chromatography(with ECD detection).Compounds were identified and determined according to their retention times and the external standard method.The recoveries of three kinds of herbicide residues ranged from 82.8% to102.5%,and the coefficients of variation was from 0.5% to 6.4%,and the limits of detection were 0.001 to 0.02μg/g.
【Fund】: 国家标准指定项目(2007-49214)
【CateGory Index】: TS255.7
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