A quantitative analysis method-Thin layer chromatography-bromination-determine amine method was established for determining two active ingredients in the mixture of MTMC and phoxim.

• 速灭辛乳油是由速灭威和辛硫磷复配而成,采用薄层分离,分别用碱解定胺法和溴化法对两种有效成分进行定量分析。