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应用双波长分光光度法,在240nm、272.9nm和294nm波长处,测定复方氧氟沙星滴耳液中醋酸地塞米松和氧氟沙星的含量,平均回收率分别为101.9％和99.50％,RSD分别为0.8976和0.8714。该方法快速简便,结果准确。
The contents of dexamethasone acetate and ofloxacin acetate in the compound ofloxacin ear drops were determined by double wavelength spectrophotometry at the wavelength of 240nm, 272.9nm and 294nm with the average recoveries of 101.9% and 99.50%, respectively. RSD was 0.8976 and 0.8714 respectively. The method is quick and easy and the result is accurate.