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口腔溃疡膜用于治疗复发性口疮及其他口腔溃疡,使用方便,疗效确实,深受患者欢迎,近年来在临床上已普遍使用。但尚未见到有关其含量测定方法的介绍。本校药剂教研组研制的口腔溃疡膜含有硫酸庆大霉素,盐酸丁卡因和醋酸地塞米松三种主药。其中,盐酸丁卡因毒性较大,且含量较少,中国药典1977年版采用的容量法,不适用于测定膜剂中盐酸丁卡因的含量。作者采用紫外
Oral ulcer membrane for the treatment of recurrent aphthous and other oral ulcers, easy to use, the effect is indeed welcomed by patients, has been clinically used in recent years. But has not yet seen the introduction of the determination of its content. Oral mucosal membrane developed by Pharmacy Research Group of our school contains three main drugs, gentamicin sulfate, tetracaine hydrochloride and dexamethasone acetate. Among them, tetracaine hydrochloride is more toxic and less in content. The volumetric method adopted by the Chinese Pharmacopoeia 1977 edition is not suitable for the determination of tetracaine hydrochloride in the film. The author uses UV