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6 原料药及其制剂的分析方法 6.1 鉴别试验 6.1.1 化学方法 取本品约20mg,加盐酸2ml蒸于后,再加盐酸1ml与氯酸钾约30mg,置水浴上蒸干,滴加氨试液,显紫红色,再加氢氧化钠试液数滴,紫红色即消失。此为嘌呤类药品共有的紫脲酸铵反应。 取本品约10mg,加水10ml溶解后,加氨制硝酸银试
6 Analysis of APIs and their preparations 6.1 Identification Test 6.1.1 Chemical Method Take about 20mg of this product, add 2ml of hydrochloric acid and steam, add hydrochloric acid 1ml and potassium chlorate about 30mg, set the water bath to dry, add ammonia solution , Was purple, plus a few drops of sodium hydroxide solution, purple disappeared. This is purine drugs common ammonium urea urea reaction. Take this product about 10mg, add water 10ml dissolved, add ammonia to make silver nitrate test