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牛黄解毒片是中国药典(1977版)的法定制剂。功能清热解毒。用于热病咽喉肿痛,牙痛,口舌生疮,目赤肿痛。是常用的中成药之一。雄黄是牛黄解毒片的成分之一。如果雄黄质量不佳,有时会含有较多量的As_2O_3。我们曾测得一家药厂生产的牛黄解毒片(批号810914),每片含As_2O_3的量高达0.7毫克以上。为了控制牛黄解毒片中As_2O_3的含量,特提出下述牛黄解毒片中As_2O_3的检查方法,供大家共同探讨。一、检查方法1.仪器装置、醋酸铅棉花的制备、标准砷溶液的制备、标准砷斑的制备:均按中
Niuhuang Jiedu Tablets is a legal preparation of the Chinese Pharmacopoeia (1977 Edition). Detoxification function. For fever sore throat, toothache, mouth sores, red eyes and swelling. It is one of the commonly used proprietary Chinese medicines. Realgar is one of the ingredients of Niuhuang Jiedu Tablets. If the quality of realgar is poor, it sometimes contains a large amount of As_2O_3. We have measured a bezoar detoxification tablet (lot 810914) produced by a pharmaceutical company. Each tablet contains as much as 0.7 mg of As_2O_3. In order to control the content of As_2O_3 in Niuhuang Jiedu Tablets, the following inspection method for As_2O_3 in Niuhuang Jiedu Tablets was proposed for everyone to discuss. First, the inspection method 1. Instrument device, the preparation of lead acetate cotton, the preparation of standard arsenic solution, the preparation of standard arsenic spot: all according to