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三氯杀虫酯(Acetofeaate,国内代号7504)是一种新型杀虫剂。目前国内已有许多厂家生产并用它制成各种制剂来防洽蚊蝇。工业7504中含有合成副产物,它们干扰灭蚊制剂中DDT类的测定。中国科学院动物研究所曾对其中的副产物做过鉴定。我们用气相色谱采用不同极性的色谱柱分析证实它们不是DDT及其类似物。通过比较各种柱子的分离情况。选择QF-1柱可将其中的主要杂质与DDT类的分离,不干扰DDT类的测定。
Acetofeaate (National Code 7504) is a new type of insecticide. At present, there are many domestic manufacturers and use it made of various preparations to prevent mosquitoes. Industry 7504 contains synthetic by-products that interfere with the determination of DDT classes in anti-mosquito preparations. The Institute of Zoology Chinese Academy of Sciences had made by-product identification. We used gas chromatography with different polarity column analysis confirmed that they are not DDT and its analogues. By comparing the separation of various columns. Choosing the QF-1 column separates the major impurities from the DDTs and does not interfere with the determination of the DDTs.