| Determination of trace multi-elements in coal fly ash by inductively coupled plasma mass spectrometry |
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| 作者姓名： | 谢华林 唐有根 李玉杰 李立波 |
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| 作者单位： | School of Chemistry and Chemical Engineering Central South University，School of Chemistry and Chemical Engineering，Central South University，School of Chemistry and Chemical Engineering，Central South University，Department of Chemistry，Hunan Institute of Technology，Changsha 410083，China Department of Chemistry，Hunan Institute of Technology，Hengyang 421008，China，Changsha 410083，China，Changsha 410083，China，Hengyang 421008，China |
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| 摘 要： | The contents of Cr, Cu, Ni, As, Cd and Pb in coal fly ash were determined by a high resolution inductively coupled plasma mass spectrometry method. The sample digestions were performed in closed microwave vessels with HNO3, HClO4 and HF. The optimum conditions for the determination were obtained. The applicability of the proposed method was validated by the analysis of coal fly ash reference material (NIST SRM 1633a). The results show that most of the spectral interferences can be avoided by measuring in the high resolution mode (maximum mass resolution R=9 000). The detection limit is from 0.05 to 0.21 μg/g, and the precision is fine with relative standard deviation less than 4.3%.
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| 关 键 词： | 粉煤灰 微波消化 等离子体 光谱测定 |
| 收稿时间： | 23 April 2006 |
| 修稿时间： | 2006-04-23 |
Determination of trace multi-elements in coal fly ash by inductively coupled plasma mass spectrometry |
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| Xie Hua-lin , Tang You-gen , Li Yu-jie and Li Li-bo.Determination of trace multi-elements in coal fly ash by inductively coupled plasma mass spectrometry[J].Journal of Central South University of Technology,2007,14(1):68-72. |
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| Authors: | Xie Hua-lin Tang You-gen Li Yu-jie and Li Li-bo |
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| Affiliation: | 1. School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China; 2. Department of Chemistry, Hunan Institute of Technology, Hengyang 421008, China |
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| Abstract: | The contents of Cr, Cu, Ni, As, Cd and Pb in coal fly ash were determined by a high resolution inductively coupled plasma
mass spectrometry method. The sample digestions were performed in closed microwave vessels with HNO3, NClO4 and HF. The optimum conditions for the determination were obtained. The applicability of the proposed method was validated
by the analysis of coal fly ash reference material (NIST SRM 1633a). The results show that most of the spectral interferences
can be avoided by measuring in the high resolution mode (maximum mass resolution R=9 000). The detection limit is from 0.05 to 0.21 μg/g, and the precision is fine with relative standard deviation less than
4.3%.
Foundation item: Project (04JJ40016) supported by the Natural Science Foundation of Hunan Province, China |
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| Keywords: | coal fly ash microwave digestion inductively coupled plasma mass spectrometry determination |
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