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文章采用高效液相色谱法,以C18柱为固定相,甲醇+水为流动相,用240 nm紫外检测器定量测定40%醚菌酯.苯醚甲环唑可湿性粉剂含量。结果表明:醚菌酯和苯醚甲环唑的线性相关系数分别为0.9994、0.9998,标准偏差分别为0.064、0.012。变异系数分别为0.21%、0.12%;平均回收率分别为99.79%、99.86%。
In this paper, high performance liquid chromatography (HPLC), C18 column as the stationary phase, methanol + water as the mobile phase, with 40 nm UV detector quantitative determination of 40% of kresoxim-methyl difenoconazole wettable powder content. The results showed that the linear correlation coefficients of kresoxim - methyl and difenoconazole were 0.9994 and 0.9998, respectively. The standard deviations were 0.064 and 0.012, respectively. The coefficients of variation were 0.21% and 0.12%, respectively. The average recoveries were 99.79% and 99.86% respectively.