光谱学与光谱分析 |
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Simultaneous Determination of Trace Platinum, Palladium and Rhodium in Environmental Dust Samples by ICP-MS after Open-Digestion |
SHI Yan-zhi1,HE Run-juan2,WANG Juan2,ZHU Ruo-hua2* |
1. Center of Analysis and Testing, Capital Normal University, Beijing 100037, China 2. Department of Chemistry, Capital Normal University, Beijing 100037, China |
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Abstract A sensitive method for simultaneous determination of Pt, Pd and Rh in dust samples by ICP-MS after open-digestion was developed. The digestion method for the samples and conditions for measurement for ICP-MS were studied in detail. Aqua-regia was proved to be a better solvent for the digestion of dust samples. Under the optimum conditions, the limits of detection of Pt, Pd and Rh were 0.48, 4.22 and 0.42 ng·g-1,respectively. The proposed method was applied to the real sample analysis, and good recoveries were obtained. The recoveries of Pt, Pd and Rh were found to be between 87.6%-88%, 85.2%-87.8%, and 93%-95%, respectively.
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Received: 2005-01-30
Accepted: 2005-05-08
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Corresponding Authors:
ZHU Ruo-hua
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Cite this article: |
SHI Yan-zhi,HE Run-juan,WANG Juan, et al. Simultaneous Determination of Trace Platinum, Palladium and Rhodium in Environmental Dust Samples by ICP-MS after Open-Digestion [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(04): 741-746.
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URL: |
https://www.gpxygpfx.com/EN/Y2006/V26/I04/741 |
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