光谱学与光谱分析 |
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Determination of Fleroxacin by Photochemical Fluorescence of Zinc-Fleroxacin Complex |
FENG Rui-qin, DING Fen, LIU Yu |
Department of Chemistry, Beijing Normal University, Beijing 100875, China |
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Abstract Based on the complex formed by Zn2+ which can strengthen the relative fluorescence intensity of fleroxacin evidently, a novel photochemical fluorescence method was developed. The effects of the acidity, the concentration ratio of Zn2+ to fleroxacin,and the time for illumination were studied. Under the optimum experiment conditions, the linear range of the determination was 5.00×10-8-5.00×10-6 mol·L-1. The detection limit was 4.2×10-8 mol·L-1. The relative standard deviation of the determination of fleroxacin (5.0×10-7 mol·L-1) was 1.7% (n=20). The method was successfully applied to the determination of fleroxacin in specimens, and the recoveries were in the range of 95.0%-105%. The mechanism of this system is proposed.
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Received: 2004-05-08
Accepted: 2004-08-26
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Corresponding Authors:
FENG Rui-qin
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Cite this article: |
FENG Rui-qin,DING Fen,LIU Yu. Determination of Fleroxacin by Photochemical Fluorescence of Zinc-Fleroxacin Complex[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(09): 1468-1470.
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URL: |
https://www.gpxygpfx.com/EN/Y2005/V25/I09/1468 |
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