对敌百虫含量两种测定方法即电位滴定法和高效液相色谱法进行比较分析。采用HPLC法测定敌百虫在2.4-3.6mg/mL范围内呈良好的线性关系(r^2=0.99993),平均回收率为99.7%,RSD为0.5%。采用电位滴定法测定敌百虫,回收率为99.4%,RSD为0.8%。结果表明采用HPLC法,杂质分离度好,避免了氯化物的干扰,操作简便,结果更精密、准确、可靠。%The linear relationship of Metrifonate was good in range of 2.4-3.6 mg/mL (r2=0.99993). The average recovery was 99.7% with RSD=0.5%.
展开▼