盐酸奈福泮片含量均匀度的一阶导数分光光度测定

FIRST ORDER DERIVATIVE SPECTROPHOTOMETRY  FOR CONTENT UNIFORMITY OF NEFOPAM HYDROCHLORIDE TABLETS

采用一阶导数分光光度法测定盐酸奈福泮片的含量均匀度。样品不需特殊处理，操作简便，结果准确。平均回收率为１００．２％，ＲＳＤ为０．３８％。

Content uniformity of nefopam hydrochloride tablets were determined without pretreatment by first order derivative spectrophotometry. The average recovery was 100.2% and RSD 0.38%. This method is simple and accurate.