| 光谱学与光谱分析 |
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| Experimental Investigation on the Quenching Characters of Induced Fluorescence of Dissolved Organic Matter in Polluted Water |
| CHEN Dong,LIU Wen-qing,ZHANG Yu-jun,LIU Jian-guo,LI Hong-bin,DING Zhi-qun |
| Key Lab of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei 230031，China |
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Abstract The concentration of dissolved organic matter(DOM) is an important index to assess natural water quality. Fluorescence measures can be used to scale the DOM loading in natural water in a highly sensitive, highly selective and online way. The relations between the fluorescence intensity and the solution concentration, pH, and metal ion content were studied. The experiment results show that the fluorescence intensity and the solution concentration have a linear relationship when the concentration is below 10 mg·L-1 and the pH is in the range of 6.5-7.5. The metal ions have a strong quenching effect on the fluorescence intensity of DOM, and the quenching effect is correlated with the coodination characters of the ions.
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Received: 2005-09-16
Accepted: 2005-12-08
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Corresponding Authors:
CHEN Dong
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| Cite this article: |
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CHEN Dong,LIU Wen-qing,ZHANG Yu-jun, et al. Experimental Investigation on the Quenching Characters of Induced Fluorescence of Dissolved Organic Matter in Polluted Water[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(12): 2283-2286.
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https://www.gpxygpfx.com/EN/Y2006/V26/I12/2283 |
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