This application article reports on the use ofPerkinElmer GCMS 2400^™System and PerkinElmer Elite 5MS capillary columnThe results of analyzing 76 types of organochlorine, organic nitrogen, organic phosphorus pesticides and related isomers. The method reported in the application article is aGC/MS optimization method，Minimizing co elution of problematic compounds to the greatest extent possible, in compliance with EPA method 525.2³And 525.3⁴The requirements were met and the analysis time was shortened.