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采用薄层层析分离玉米种衣剂中的各有效成份，其Ｒｆ值分别为：克百威０．６０，福美双０．７５。分离后的各有效成份以紫外分光光度法测定其含量。所得分析结果与己知值基本一致。方法误差在５％以内。
The thin layer chromatography separation of corn seed coating of the active ingredient, the Rf values were: carbofuran 0.60, the United States and the United States double 0.75. After the separation of the active ingredient by UV spectrophotometry Determination of its content. The results obtained and the known value is basically the same. Method error of less than 5%.