| 光谱学与光谱分析 |
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| Calculation of the Contributions of Scattering Effects to the X-Ray Fluorescence Intensities |
| HAN Xiao-yuan1, 2,ZHUO Shang-jun1*,SHEN Ru-xiang1,WANG Pei-ling1 |
1. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
2. Unit 63653 of the Chinese People’s Liberation Army，Xinjiang 841700, China |
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Abstract The contribution of scattering effects to the X-ray fluorescence intensity was studied for pure element samples, BaB binary samples and fused disk samples by theoretic calculation and experiment. Three scattering effects were considered in the present study, i.e. coherent scattering effect, incoherent scattering effect, and primary fluorescence that was scattered into the direction of detector. The study shows that the contribution of scattering effects to the intensity of fluorescence is related to the energy of the atomic absorption edge, and the sample’s matrix. The higher the energy of the atomic absorption edge, the more the contribution of scattering effects to the intensity of fluorescence. The contribution of scattering effects to the fluorescence intensity is larger for light matrix samples than heavy matrix samples. The results of experiment show that the accuracy of theoretic calculation was evidently improved when the scattering effects were considered in the theoretic calculation for the intensity of fluorescence.
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Received: 2005-08-22
Accepted: 2006-01-15
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Corresponding Authors:
ZHUO Shang-jun
E-mail: sjzhuo@mail.sic.ac.cn
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| Cite this article: |
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HAN Xiao-yuan,ZHUO Shang-jun,SHEN Ru-xiang, et al. Calculation of the Contributions of Scattering Effects to the X-Ray Fluorescence Intensities[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2007, 27(02): 391-394.
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| URL: |
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https://www.gpxygpfx.com/EN/Y2007/V27/I02/391 |
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