光谱学与光谱分析 |
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Extraction and Spectral Properties Analysis of Innoxious Ultraviolet Absorbents |
FANG Yi-wen1, NI Wen-xiu1, HUANG Chong2, XUE Liang1, YU Lin1 |
1. Department of Chemistry, Shantou University, Shantou 515063, China 2. Department of Physics, Shantou University, Shantou 515063, China |
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Abstract Some dozens of ultraviolet absorbents were extracted from leaves of pure natural plants, such as frangipani, mango, and sweet-scented osmanthus. Then the spectral properties of these ultraviolet absorbents were analyzed. The plant that has the best effect of absorbing ultraviolet ray was selected by comparing one with the others. And the method of extracting ultraviolet absorbent was studied. The results showed that the method, which used leaves of mango as material, distilled water as extracted solvent, and alcohol as precipitator, was satisfactory. When the concentration of ultraviolet absorbent solution is 1%(w/w), the ultraviolet ray transmission is smaller than 1% in 200-400 nm. The rate of production is 1.5%. It is innoxious.
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Received: 2005-02-26
Accepted: 2005-06-08
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Corresponding Authors:
FANG Yi-wen
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Cite this article: |
FANG Yi-wen,NI Wen-xiu,HUANG Chong, et al. Extraction and Spectral Properties Analysis of Innoxious Ultraviolet Absorbents [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(06): 1120-1122.
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URL: |
https://www.gpxygpfx.com/EN/Y2006/V26/I06/1120 |
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