分光光度法测定复方维甲酸凝胶中维甲酸和红霉素的含量

PHARMACEUTICAL JOURNAL OF CHINESE PEOPLE'S LIBERATION ARMY(2002)

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Abstract
目的建立复方维甲酸凝胶中维甲酸和红霉素的分光光度测定方法。方法采用一阶导数光谱法在378nm处测定维甲酸的含量,用紫外分光光度法在482nm处测定红霉素的含量。结果维甲酸的平均回收率为99.72%,红霉素的平均回收率为99.45%。结论所建立的方法适用于复方维甲酸凝胶剂中维甲酸和红霉素的测定。
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