| 光谱学与光谱分析 |
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| Determination of Cobalt Concentration in Hard Alloy Using Laser-Induced Plasma Spectroscopy |
| LI Jing1, ZHANG Jian-qiu1, LI Sheng-li2 |
1. Photo-Electric Lab, Department of Precision Machinery and Precision Instrument, University of Science and Technology of China, Hefei 230027, China
2. Department of Biomedicine Engineering, Ji’nan University, Guangzhou 510632, China |
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Abstract The cobalt spectrum measurement was conducted with the experiment setup including a Nd∶YAG Q-switched solid laser as the exciting light, and YG hard alloy as the sample. Experiments show that the 345.35 nm sensitive spectral line intensity of Co in YG3 demonstrates a parabola trend with the increase in power density, and as the power density exceeds 1.2×108 W·cm-2, the spectrum intensity becomes stronger, and its deflection becomes less. The experiments on measuring Co concentration in YG hard alloy series show that the concentration of cobalt has a good linear relationship with its spectral intensity, the maximum relative error of measurement is 5.08%, and the result is reliable with higher precision.
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Received: 2005-09-28
Accepted: 2006-01-08
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Corresponding Authors:
LI Jing
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| Cite this article: |
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LI Jing,ZHANG Jian-qiu,LI Sheng-li. Determination of Cobalt Concentration in Hard Alloy Using Laser-Induced Plasma Spectroscopy[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2006, 26(12): 2323-2325.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2006/V26/I12/2323 |
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