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应用高效液相色谱法测定28%百菌清·乙霉威可湿性粉剂含量的测定方法,该方法以甲醇+水(75+25)为流动相,使用C18为填料的不锈钢柱和紫外检测器对百菌清和乙霉威进行分离和测定。百菌清和乙霉威标准偏差分别是0.11、0.05;变异系数分别为0.54%、0.61%,百菌清和乙霉威的回收率分别为99.96%、100.02%。
The method for determining the content of 28% Chlorothalonil and Delmycin wettable powder was established by high performance liquid chromatography (HPLC), using methanol + water (75 + 25) as mobile phase, stainless steel column with C18 as filler and UV detector Chlorothalonil and diethofencarb were isolated and assayed. The standard deviations of chlorothalonil and diethofencarb were 0.11,0.05 respectively; the coefficients of variation were 0.54% and 0.61% respectively. The recoveries of chlorothalonil and diethofencarb were 99.96% and 100.02% respectively.