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| 摘要: |
| 目的:测定镇咳宁糖浆中盐酸麻黄碱的含量.方法:采用二阶导数紫外光谱法,读取盐酸麻黄碱在214.2±1nm波长吸收度.结果:线性范围为19.44-68.04μg/Ml(r=0.9993),回收率为10.2%,RSD为1.9%.结论:该方法简便准确 |
| 关键词: 二阶导数紫外光谱法 镇咳宁糖浆 盐酸麻黄碱 |
| DOI： |
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| Determination of ephedrine hydrochloric acid in Zhenkening Tangjiang by second derivative ultraviolet spectrum |
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Zhang Weiying( Zhang WY)
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| Abstract: |
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| Key words: second derivative ultraviolet spectrum,Zhenkening Tangjiang,ephedrine hydrochloric acid |
