贺国芳1 杨今祥2 祁晓红3 闵敏1
( 1 华中科技大学同济医学院附属同济医院药学部,武汉 430030, 2 华中科技大学同济医学院药学院,3华阳制药有限公司)
摘要 目的:测定痤疮凝胶中甲硝唑含量。方法:用一阶导数光谱法直接测定凝胶中甲硝唑含量。结果:甲硝唑在10~80μg·ml-1范围内线性关系良好(r=0.999 8),平均回收率为99.6%,RSD=0.96%.。结论:该法方便、快速。
关键词 一阶导数光谱;甲硝唑;含量测定
中图分类号 R944.1:R927.11 文献标识码:A 文章编号:
Determination of Metronidazole in Acne Gels by First Order Derivative Spectrophotometry
He Guofang , Yang Jinxiang
(Tongji Hospital, Tongji Medical Collage, Huazhong University of Science and Technologe, Wuhan 430030)
ABSTRACT Objective: To determine the concentration of Metronidazole in acne gel. Methods: First derivative spectrophotometry was used. Results: There were good linear correlation in the range of 10~80μg·ml-1. Conclusions: The method is simple, fast and accurate. KEY WORDS First order derivative spectrophotometry;Metronidazole;Determination 资料来自:中国药师-专业站 |