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Determination of Uranium Content in Natural Uranium Products by X-ray Fluorescence Spectrometry
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ZHU Shuguang1, ZHANG Xin2, 3, LIU Jinliang2, 3, LIU Chao2, 3, SONG Maosheng2, 3, YAN Feiyan2, 3, WANG Long4, LIU Yue4, YANG Liyuan5
Uranium Mining and Metallurgy | 2024, 43(1) : 36 - 41
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Uranium Mining and Metallurgy | 2024, 43(1): 36-41
• ANALYSIS AND INSTRUMENT •
Determination of Uranium Content in Natural Uranium Products by X-ray Fluorescence Spectrometry
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ZHU Shuguang1, ZHANG Xin2, 3, LIU Jinliang2, 3, LIU Chao2, 3, SONG Maosheng2, 3, YAN Feiyan2, 3, WANG Long4, LIU Yue4, YANG Liyuan5
Affiliations
  • 1 Hubei 303 Warehouse, Wuhan 430000, China
  • 2 Research Institute No. 230, CNNC, Changsha 410007, China
  • 3 Hunan Engineering Technology Research Center for Evaluation and Comprehensive Utilization of Associated Radioactive Mineral Resources, Changsha 410007, China
  • 4 China National Uranium Co., Ltd., CNNC, Beijing 100013, China
  • 5 China Nuclear Energy Industry Corporation, Beijing 100032, China
Published: 2024-02-20 doi: 10.13426/j.cnki.yky.2023.04.03
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A method for determining uranium content in natural uranium products (U3O8) by wavelength dispersive X-ray fluorescence spectrometry was established using solution sample preparation and strontium carbonate as the internal standard. The method determines that the weight of the sample is 1.00 g, and the weight of the internal standard strontium carbonate is 0.600 g. The sample is digested with 15 mL of phosphoric acid and 2 mL of nitric acid to a constant volume of 200 mL. After stirring with magnetic force, the volume of the solution is controlled using a disposable plastic pipette and an electronic scale. Instrument measurement conditions selection feature X-ray line: U-Lα1,Sr-Kα1, channel mask 34 mm, primary collimator 150 μm. The linear correlation coefficient of the working curve of the method is 0.999 8, and the relative standard deviation (RSD) is between 0.031% and 0.050%, indicating good precision; The relative error between the measurement results and the recommended value of the reference material is not less than 0.034%, with good accuracy. Compared with the potentiometric titration method, the absolute deviation of this method is between 0.010% and 0.126%, and the results are accurate and reliable, meeting the requirements for rapid batch analysis of natural uranium products.

wavelength dispersive X-ray fluorescence spectrometry  /  natural uranium product  /  uranium content
ZHU Shuguang, ZHANG Xin, LIU Jinliang, LIU Chao, SONG Maosheng, YAN Feiyan, WANG Long, LIU Yue, YANG Liyuan. Determination of Uranium Content in Natural Uranium Products by X-ray Fluorescence Spectrometry[J]. Uranium Mining and Metallurgy, 2024 , 43 (1) : 36 -41 . DOI: 10.13426/j.cnki.yky.2023.04.03
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doi: 10.13426/j.cnki.yky.2023.04.03
  • Receive Date：2023-04-12
  • Online Date：2025-07-04
  • Published：2024-02-20
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  • Received：2023-04-12
Funding
Affiliations
    1 Hubei 303 Warehouse, Wuhan 430000, China
    2 Research Institute No. 230, CNNC, Changsha 410007, China
    3 Hunan Engineering Technology Research Center for Evaluation and Comprehensive Utilization of Associated Radioactive Mineral Resources, Changsha 410007, China
    4 China National Uranium Co., Ltd., CNNC, Beijing 100013, China
    5 China Nuclear Energy Industry Corporation, Beijing 100032, China
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表12种不同金属材料的力学参数
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Family		 属数
Number of
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Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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