| 光谱学与光谱分析 |
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| Study on Microwave Digestion of Sediment of Poyang Lake Determined by ICP-AES |
| GONG Xiao-feng1, 2,CHEN Chun-li2,Barbara Zimmermann3,ZHAO Jin4, ZHOU Wen-bin1* |
1. Key Laboratory of Poyang Lake Ecology and Bio-resource Utilization of MOE, Nanchang University, Nanchang 330047, China
2. School of Environmental Science and Engineering Nanchang University, Nanchang 330029, China
3. Department of Chemistry, University of Duisburg-Esseb, Germany
4. Nanchang Engineering and Research Institute of Nonferrous Metals, Nanchang 330002, China |
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Abstract In order to determine the sediment of Poyang Lake correctly, digestion methods for the samples were studied in the present paper. Microwave digestion was used to digest the samples, and ICP-AES was used to determine the samples. Different digestion solutions, the amount of acids, digestion procedure and the amount of sample were investigated and optimized. Finally, an optimal digestion method was established to carry out the further analysis of all sediment samples: weigh up 0.5 g sample, take a pretreatment by heating on the electric plate for about 15 min at 180 ℃, and add HNO3-HF-HClO4 or HNO3-HF-H2O2 in the proportions of 4∶4∶2. The microwave digestion procedure was 5 atm/3 min-10 atm/2 min-15 atm/5 min-20 atm/10 min. This method was simple, fast, effective with low work intensity.
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Received: 2005-12-02
Accepted: 2006-03-18
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Corresponding Authors:
ZHOU Wen-bin
E-mail: xfgong@ncu.edu.cn
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| Cite this article: |
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GONG Xiao-feng,CHEN Chun-li,Barbara Zimmermann, et al. Study on Microwave Digestion of Sediment of Poyang Lake Determined by ICP-AES[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(01): 155-159.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2007/V27/I01/155 |
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