| 光谱学与光谱分析 |
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| Determination of Trace Platinum, Palladium and Gold in Samples by ICP-AES and Fire Assay Preconcentration |
| SUN Zhong-hua, ZHU Kun, MAO Ying, WANG Wei-guo |
| Chengdu Comprehensive Rock and Mineral Testing Center, Chengdu 610081，China |
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Abstract A method of elemental determination is put forward in this paper. Namely, Pt, Pd, Au in 10-20 g samples were preconcentrated in milligram microgranular silver alloy by using fire assay. When compounded in solution，trace platinum, palladium, and gold in the solution were determined by ICP-AES. The detection limits of this method were 0.01, 0.005, and 0.01 μg·mL-1 for Pt, Pd and Au，respectively. Recoveries of standard were more than 97% with precision of 0.1%, 0.12%, and 0.09% of RSD(n=10)，respectively. It has proven that this analysis method is quick, simple and accurate. The method has been applied to the determination of contents of Pt, Pd and Au in samples.
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Received: 2002-06-13
Accepted: 2002-10-28
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Corresponding Authors:
SUN Zhong-hua
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| Cite this article: |
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SUN Zhong-hua,ZHU Kun,MAO Ying, et al. Determination of Trace Platinum, Palladium and Gold in Samples by ICP-AES and Fire Assay Preconcentration [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(02): 233-235.
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| URL: |
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http://www.gpxygpfx.com/EN/Y2004/V24/I02/233 |
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