亚砷酸糊剂是新近在临床上应用的一种非法定的牙科用齿髓失活剂,系由亚砷酸45%、盐酸普鲁卡因25%、盐酸阿美索卡因2%、盐酸待布卡因0.5%、丁香油-薄荷脑8%、木溜油-麝香草酚6.5%、甘油-酚8%,以石绵5%调制而成的糊剂。文献中未查到其有关的检定方法。我们曾试测定其中主要成分亚砷酸以及盐酸普鲁卡因和盐酸阿美索卡因等含量较高的两种局部麻醉剂的含量。亚砷酸的含量测定:参考N.F.1955定亚砷 As arsenic acid paste is a newly used non-statutory dental pulp deactivator, which is composed of 45% of arsenious acid, 25% of procaine hydrochloride, 2% of methicillin hydrochloride, hydrochloric acid To be buccal 0.5%, clove oil - menthol 8%, wooden glide oil - thymol 6.5%, glycerol - phenol 8%, 5% asbestos prepared from a paste. The literature did not find its relevant test methods. We have tried to determine the content of the two main local anesthetics, arsenic trioxide and procaine hydrochloride, and methamphetamine hydrochloride. Determination of arsenic acid content: Refer to N.F.1955 set sub-arsenic