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目的测定盐酸左氧氟沙星葡萄糖注射液中左氧氟沙星的含量。方法采用高效液相色谱法,用外标法计算左氧氟沙星的含量。结果方法可行,平均含量为98.7%。结论本法操作方便、结果准确性高、重复性好,可用于盐酸左氧氟沙星葡萄糖注射液中左氧氟沙星的含量测定。
Objective To determine the content of levofloxacin in levofloxacin hydrochloride and glucose injection. Methods High performance liquid chromatography (HPLC) was used to calculate the content of levofloxacin by external standard method. The method is feasible and the average content is 98.7%. Conclusion This method is easy to operate, with high accuracy and good reproducibility. It can be used for the determination of levofloxacin in levofloxacin hydrochloride and glucose injection.