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差示分光光度法测定替硝唑葡萄糖注射液中替硝唑的含量
引用本文:黄北雄.差示分光光度法测定替硝唑葡萄糖注射液中替硝唑的含量[J].中国药学杂志,2002,22(8):473-474.
作者姓名:黄北雄
作者单位:广西贺州地区药品检验所,广西 梧州 543001
摘    要: 目的:建立替硝唑葡萄糖注射液中替硝唑的含量测定方法。方法:差示分光光度法。结果:以替硝唑在水和0.1 mol·L-1盐酸溶液中于波长272nm处测得的差示吸收值(△A),作为定量依据,其浓度在10~40 μg·ml-1之间线性关系良好,r=0.9999(n=7),平均回收率为99.5%,RSD为0.5%(n=5)。结论:本法操作简便准确,可作为该制剂的质量控制方法。

关 键 词:差示分光光度法  替硝唑
收稿时间:2001-09-21;

Determination of tinidazole glucose injection by differential spectrophtometry
Huang Bei-Xiong,.Determination of tinidazole glucose injection by differential spectrophtometry[J].Chinese Pharmaceutical Journal,2002,22(8):473-474.
Authors:Huang Bei-Xiong  
Institution:Hezhou Prefectural Institute for Drug Control,Guangxi Wuzhou 543001
Abstract:OBJECTIVE To estadlish a method for determineation of tinidazole in tinidazole glucose injection. METHODS Differential spectrophtometry. RESULTS The differential absorptions of tinidazole in water and in 0.1 mol/LHCl was liner with the tinidazole concentration in the rang of 10~40μg/ml, r=0.9999 (n=7), with the detdction wavelength at 272nm.the average recoveries were 99.5% with RSD=0.5%, (n=5). CONCLUSIONS The method is simple and accurate,and can be used for quality control of preparations.
Keywords:differential spectrophtometry  tinidazole
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