| 光谱学与光谱分析 |
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| Slurry Sampling for Direct Determination of Trace Cadmium in Amber by Graphite Furnace Atomic Absorption Spectrometry |
| CHEN Shi-zhong,LU Deng-bo |
| Key Laboratory, Wuhan Polytechnic University, Wuhan 430023, China |
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Abstract A method for the direct determination of trace cadmium in amber by graphite furnace atomic absorption spectrometry (GFAAS) with slurry sampling was described. Palladium nitrate was used as a matrix modifier to eliminate the interference. Slurry stability and the influences of the matrix modifier, ashing/atomization temperature and coexistent ions on analytical signals were investigated in detail. Under the optimized experimental conditions, the detection limit of this method was 9.4 ng·g-1 with a precision of 6.1%.
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Received: 2005-08-10
Accepted: 2005-12-20
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Corresponding Authors:
CHEN Shi-zhong
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| Cite this article: |
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CHEN Shi-zhong,LU Deng-bo. Slurry Sampling for Direct Determination of Trace Cadmium in Amber by Graphite Furnace Atomic Absorption Spectrometry [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(10): 1928-1930.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2006/V26/I10/1928 |
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