气相色谱法定量测定农药产品中唑虫酰胺

Quantitative Analytical Method of Tolfenpyrad in Pesticide Product by GC

采用气相色谱法,使用石英毛细管色谱柱,以邻苯二甲酸二辛酯为内标,对农药产品中唑虫酰胺质量分数进行测定。该方法的线性相关系数为0.999 9,标准偏差为0.072 7,变异系数为0.72%,平均回收率为100.60%。

An analytical method for detection of tolfenpyrad in pesticide products was established by GC with capillary column.Dioctyl phthualate was used as internal standard.The results indicated that the linear correlation coefficient of the method was 0.999 9,the standard deviation was 0.072 7,the variation coefficient was 0.72%,and the average recovery was 100.60%,respectively.