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本文对诺氟沙星银软膏进行了研制，对诺氧沙星银原料进行了鉴别试验，并建立了灰化后银量法测定诺氟沙星银原料及软膏的方法。实验证明该方法具有较好的精密度和准确度。软膏回收率平均为97．27％，相对标准差为1．38％。
In this paper, norfloxacin silver ointment was developed, the identification of the raw materials of noxfloxacin silver, and established ashed silver method norfloxacin silver raw materials and ointment method. Experiments show that the method has good precision and accuracy. Ointment recovery average 97.27%, the relative standard deviation of 1.38%.