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本文研究了鸡肉中二硝甲酚残留量的气相色谱测定方法。样品中二硝甲酚用丙酮提取,经重氮甲烷甲基化和氟罗里硅土柱净化后,采用BP21石英毛细管柱于气相色谱仪进行测定。本实验采用添加法测定回收率,添加水平为0.02～0.2mg/kg时,其平均回收率为84.6％-89.5％。本方法的最低检出限为测定0.02mg/kg。
This paper studied the determination of dinitresol residues in chicken by gas chromatography. Samples of dinitresol extracted with acetone, methylated by diazomethane and purification of Florisil silica column, the use of BP21 quartz capillary column was determined by gas chromatography. In this experiment, the recovery was determined by adding method. The average recoveries were 84.6% -89.5% at the level of 0.02 ~ 0.2mg / kg. The method of detection limit of 0.02 mg / kg.