1.三氯杀螨醇在我国的禁用情况及限量标准三氯杀螨醇(dicofol)是一种低毒高效的有机氯杀螨剂,不溶于水,能溶于多种有机溶剂,对人、畜等有低等毒性。这种农药是蝉螨害虫专用农药,对成、若螨和卵都有良好的防治效果,加之其结构稳定,分解慢缓,残效较长,因此上世纪后期曾在我国茶叶生产中推广应用过。但是,大多数三氯杀螨醇产品的生产以滴滴涕(DDT)为主要中间体,残留提炼环节不过关,从而导致大批成品中DDT含量超标。因此,喷施三 1. dicofol banned in our country and the limits of standard dicofol (dicofol) is a low toxicity and efficient organochlorine acaricide, insoluble in water, soluble in a variety of organic solvents, low toxicity to humans and animals. This pesticide is a pest insecticide for pesticides, into, if the mites and eggs have a good control effect, combined with its structural stability, slow decomposition, residual effect is longer, so the late last century has been in the tea production in our country to promote the use of . However, the majority of dicofol production uses DDT as the main intermediate, leaving no residue at the refining stage, resulting in excessive levels of DDT in the bulk of the finished product. So, spray three