| 光谱学与光谱分析 |
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| Determination of Trace Zirconium and Hafniumin Sample by Atomic Emission Spectrometry |
| LI Hui-zhi，YANG Chun-xia，ZHAI Dian-tang |
| Department of Applied Chemistry, Ji′nan University，Ji′nan 250022，China |
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Abstract This paper describes the determination of trace Zr and Hf in the sample using carbon powder and titanium oxide as the buffer by Atomic Emission Spectrometry(AES). Titanium was selected for the internal standard line. Sample separation and chemical treatment were not required. The sample was directly loaded into an ordinary electrode. The method is simple, rapid and accurate. The conditions for the determination, and the factors of influence have been studied. A new method has been developed for the determination of zirconium and hafnium. The analytical lines of Zr and Hf were 327.3 and 286.6 nm respectively. The internal standard line of Ti was 308.8 nm. The linear range of the determination of Zr and Hf was 0-0.50% and 0-0.25% respectively. The detection limit of Zr and Hf was 0.001 0% and 0.010% respectively. The range of the recovery of zirconium and hafnium was 96.67%-105.0%. The results for these elements in standard sample are in agreement with certified values with a precision of 3.61% RSD for Zr(n=9), and 4.82% RSD for Hf(n=9). The method has been applied to the determination of Zr and Hf with satisfactory results.
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Received: 2003-06-06
Accepted: 2003-10-21
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Corresponding Authors:
LI Hui-zhi
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| Cite this article: |
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LI Hui-zhi,YANG Chun-xia,ZHAI Dian-tang. Determination of Trace Zirconium and Hafniumin Sample by Atomic Emission Spectrometry [J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2005, 25(02): 283-285.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2005/V25/I02/283 |
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[2] LI Ting-jun(李廷钧). Atomic Emission Spectrometry Analysis(发射光谱分析). Beijing: Atomic Energy Press(北京：原子能出版社)，1983.
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