| 光谱学与光谱分析 |
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| Preparation and Characterization of Chitosan Membrane for Solid Phase Microextraction Technique |
| YANG Hong-li1, WANG Yi-ru1*, ZHUANG Zhi-xia1,WANG Xiao-ru1, 2 |
1. Department of Chemistry, The Key Laboratory of Analytical Science of Ministry of Education, Xiamen University, Xiamen 361005, China
2. First Institute of Oceanorgraphy, S.O.A., Qingdao 266061, China |
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Abstract Chitosan is a kind of natural polymers containing plenty of amido and hydoxy.The chitosan membrane is tough, and since the partition coefficient of chlorophyll between chitosan membrance and water is as high as 9 090, the chitosan membrane may be easily manufactured as solid-phase microextraction membrane for the analysis of chlorophyll. The system may reach a complete equilibrium in 80 min. Then the membrane can be desorbed completely in 30 min in 5% NaOH with ultrasonic. Both IR and XRD indicated that hydrogen bonds between the molecules of chitosan were weakened and amido and hydoxy were considered as the keys during the process of extracting chlorophyll.
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Received: 2004-06-09
Accepted: 2004-09-26
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Corresponding Authors:
WANG Yi-ru
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| Cite this article: |
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YANG Hong-li,WANG Yi-ru,ZHUANG Zhi-xia, et al. Preparation and Characterization of Chitosan Membrane for Solid Phase Microextraction Technique[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(01): 11-14.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2006/V26/I01/11 |
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