Method: The chitosan and glycerine were used as the supplementary materials to prepare levofloxacin hydrochlorid film former.The content was measured by UV-spectrophotometry.

• 方法:以壳聚糖、甘油为辅料,制备盐酸左氧氟沙星膜剂,采用紫外分光光度法测定含量。