差示紫外分光光度法测定盐酸环丙沙星片剂的含量

Determination of Content of Ciprofloxacin Hydrochloride Tablet by Differential Spectrophotometry

采用差示紫外分光光度法测定盐酸环丙沙星片剂的含量，能消除辅料的干扰，方法简便准确，回收率为１０１．３％，ＲＳＤ为０．６％。

The differential spectrophotometry was used for determining ciprofloxacin hydrochloride tablet to eliminate interference of excipient.The method was simple and accurate.The average recovery and relative standard deviation was 101 3% and 0 6% respectively.