A method of quantitative analysis for allethrin, permethrin and piperonyl butoxide in insecticidal aerosol for household has been studied by GC FID. 用气相色谱法定量测定了家用气雾杀虫剂中的丙烯菊酯、氯菊酯和增效醚。
Purification of piperonyl butoxide ( PB ) by short-path distillation was studied experimentally. 应用刮膜式短程蒸馏装置对胡椒基丁醚(piperonylbutoxide,PB)的提纯进行了研究。