光谱学与光谱分析 |
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Determination of Trace Bismuth in Traditional Chinese Medicines by Hydride Generation Atomic Fluorescence Spectrometry |
SHI Jie, SONG Qing-guo, ZHAO Kai-lou, GONG Xue-yun |
Department of Chemistry, Zhengzhou University, Zhengzhou 450052, China |
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Abstract A method is reported for the determination of trace bismuth in traditional chinese medicine by hydride generation atomic fluorescence spectrometry.The effect of different means of digestion, the medium amounts of acid and reducing agent on the determination of Bi is investigated.In the given conditions, the linear range of determination is 0.1-200 μg·L-1, and the detection limit is 0.094 6 μg·L-1.The instrumental relative standard deviation is about 0.55% and the recovery is about 94%-107%.The method is accurate, rapid and convenient with satisfactory results.
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Received: 2004-03-16
Accepted: 2004-06-28
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Corresponding Authors:
SHI Jie
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Cite this article: |
SHI Jie,SONG Qing-guo,ZHAO Kai-lou, et al. Determination of Trace Bismuth in Traditional Chinese Medicines by Hydride Generation Atomic Fluorescence Spectrometry [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(08): 1355-1357.
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URL: |
https://www.gpxygpfx.com/EN/Y2005/V25/I08/1355 |
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