利用反相高效液相色谱外标法测定了50%多菌灵·乙霉威可湿性粉剂中多菌灵和乙霉威的含量。结果表明:方法的标准偏差分别为0.0495和0.0574;变异系数分别为0.19%和0.23%;平均回收率分别为99.86%～100.02%和99.32%～100.16%。 The contents of carbendazim and diethylcarbamazine in 50% carbendazim diethicone WP were determined by reversed-phase high performance liquid chromatography with external standard method. The results showed that the standard deviations were 0.0495 and 0.0574, respectively. The coefficients of variation were 0.19% and 0.23%, respectively. The average recoveries were 99.86% -100.02% and 99.32% -100.16%, respectively.