20%毒死蜱微胶囊悬浮剂高效液相色谱分析方法的研究

Determination of 20% Chlorpyrifos Capsule Suspension by HPLC

确立了高效液相色谱法测定20%毒死蜱微胶囊悬浮剂的定量方法.以甲醇+水 (90+10)作为流动相,使用C18柱,成功地测定出20%毒死蜱微胶囊悬浮剂的有效成分含量.结果表明,该方法具有良好的线性相关性,相关系数0.999 9,变异系数0.54%,标准偏差0.11,回收率99.5%～100.1%,达到了农药分析的要求.

Chlorpyrifos capsule suspension was analyzed quantitatively by high performance liquid chromatography. The linear correlation was 0.9999; the coefficient of variation was 0.54%; the standard deviation was 0.11; the recovery ration was 99.5%~100.1%.