| 光谱学与光谱分析 |
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| Determination of Trace Selenium in Edible Fungi with Graphite Furnace Atomic Absorption Spectroscopy |
| TIE Mei1，2,ZHANG Wei2 ,LI Jing２, JING Kui２,ZANG Shu-liang2*,LI Hua-wei3 |
1. Department of Chemistry, East China Normal University, Shanghai 200062，China
2. Environmental Science Department of Liaoning University, Shenyang 110036, China
3. College of Environmental and Life Sciences, Shenyang Normal University, Shenyang 110034, China |
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Abstract In the present article, samples were digested by a quartz high-pressure digestion pot, reducing the loss of selenium in digestion. The content of selenium in edible fungi was determined by using graphite furnace atomic absorption spectroscopy, and the results showed that when the content of selenium in edible fungi was determined by using 1% Ni(NO3)2 as a matrix modifier, ashing temperature of 500 ℃, and atomization temperature of 2 500 ℃, and rectifying background by deuterium light, the recovery was in the range of 92.1%-115.5%, the relative standard deviation of the method was 1.28%, and the limit of detection was 15.8 μg·L-1. The method was suitable for the determination of trace selenium in edible fungi with the advantages of being simple, rapid, sensitive, stable and accurate etc., and the results were satisfactory.
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Received: 2004-11-08
Accepted: 2005-02-28
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Corresponding Authors:
ZANG Shu-liang
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| Cite this article: |
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TIE Mei,ZHANG Wei,LI Jing, et al. Determination of Trace Selenium in Edible Fungi with Graphite Furnace Atomic Absorption Spectroscopy [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(01): 151-153.
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https://www.gpxygpfx.com/EN/Y2006/V26/I01/151 |
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