有机氯农药六六六是广谱性杀虫剂,但由于其无毒异构体含量较多,连续使用易造成对土壤、农作物及环境的污染。国内为解决这一问题,对工业品六六六进行提纯,发展高丙体六六六的生产,但高丙体六六六在防治害虫后对农作物及其收获物中的残留情况是否符合国家食品卫生标准,仍是目前急需明确的问题。根据1979年全国农 Organochlorine pesticides BHC is a broad-spectrum insecticide, but due to its high content of non-toxic isomers, continuous use can easily lead to soil, crops and the environment pollution. In order to solve this problem in China, the purification of industrial products BHC was carried out to develop the production of high-C6666. However, the residues of high-C666 in crops and their harvested products after pest control met the national food hygiene standards, It is still an urgent need for a clear question. According to the 1979 national agricultural