| 光谱学与光谱分析 |
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| Application of ICP-AES to the Chemical Speciation of Heavy Metals in Flyash |
| GUO Yu-wen1, 3,PU Li-mei1, QIAO Wei1, WANG Wei1*, WAN Xiao1, ZHANG Xin-rong2 |
1. Department of Environmental Science and Engineering, Tsinghua University, Beijing 100084, China
2. Department of Chemistry, Tsinghua University, Beijing 100084, China
3. Chinese Research Academy of Environmental Sciences, Beijing 100012, China |
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Abstract Chemical speciation of seven heavy metals of flyashes in incinerator was quantitatively tested using ICP-AES. Results showed that ICP-AES procedure could carry out quick, exact and high precision experiments. RSD ratio for most detected metals was lower than 3% while few metals present a comparatively high RSD when whose content was near the detection limits. The recovery ratio was 85.7%-100.63% flyashes were found to have high content of Zn, Pb. Cd, Cu, Mn, Pb and Zn existed mostly as carbonates and were leachable, while Cr and Ni were combined to metal oxides substrates and present immobilization characteristics.
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Received: 2005-03-18
Accepted: 2005-06-16
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Corresponding Authors:
WANG Wei
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| Cite this article: |
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GUO Yu-wen,PU Li-mei,QIAO Wei, et al. Application of ICP-AES to the Chemical Speciation of Heavy Metals in Flyash [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(08): 1540-1542.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2006/V26/I08/1540 |
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