光谱学与光谱分析 |
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Flow Injection Analysis of Trace Amounts of Doxycycline with Inhibited Chemiluminescence Detection |
LI Nian-bing1, DUAN Jian-ping2, CHEN Hong-qing2, CHEN Guo-nan1 |
1. College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350002,China 2. Analytical and Testing Center, Fuzhou University, Fuzhou 350002,China |
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Abstract A novel flow injection chemiluminescence method has been developed for the determination of doxycycline(DC) based on the inhibition of chemiluminescence reaction of Luminol-KMnO4 by using DC in sodium hydroxide medium. Using different concentrations of KMnO4, a series of good linear regression equations of decreased chemiluminescence intensity and the concentration of DC were obtained with different subsections in the concentration range of 0.005-5.0 μg·mL-1. The detection limit (3σ) is 2.0×10-3μg·mL-1. The method has been successfully applied to the determination of DC in a pharmaceutical preparation.
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Received: 2002-11-16
Accepted: 2003-03-26
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Corresponding Authors:
CHEN Guo-nan
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Cite this article: |
LI Nian-bing,DUAN Jian-ping,CHEN Hong-qing, et al. Flow Injection Analysis of Trace Amounts of Doxycycline with Inhibited Chemiluminescence Detection [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(01): 15-17.
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URL: |
http://www.gpxygpfx.com/EN/Y2004/V24/I01/15 |
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