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| Mensuration of the content of ephedrine hydrochloride in “Zhikeqingre” mixture by thin-layer scanning method |
| Hits 1604 Download times 1535 Received:December 29, 2003 |
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| DOI
10.11656/j.issn.1673-9043.2004.02.15 |
| Key Words
thin-layer scanning method;“Zhikeqingre”mixture;ephedrine hydrochloride |
| Author Name | Affiliation | | PAN Jing-jing | The Test Quarantine Bureau of Air Harbor in Tianjin, Tianjin 300453, China | | WANG Dong-mei | 天津市中医药研究院 300022 |
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| Abstract
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| [Objective] To establish the thin-layer scanning method for content mensuration in "Zhike-qingre" mixture,and detect the content of ephedrine hydrochloride in five group samples.[Methods] The content of ephedrine hydrochloride was detected by double wavelength thin-layer scanning method. [Result] Good linear correlation in 0.83-4.98μg of ephedrine hydrochloride was observed,and the average recovew rate was 99.4%,with RSD 2.14%.[Conclusion] This rnethod is simple,has good reproducibility,and can be used as a method for quality control. |
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