NUCLEAR TECHNIQUES, Volume. 47, Issue 1, 010605(2024)

Quantitative determination of UF3 in LiF-BeF2 molten salt system based on XRD internal standard method

Shizhuan XU1...2, Jian CHEN1,3, Jinzhao ZOU1,2, Peng WANG1,**, Changqing CAO1, and Jun LIN12,* |Show fewer author(s)
Author Affiliations
  • 1Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Guangxi Normal University, Guilin 541004, China
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    Figures & Tables(17)
    Microscope images of UF3 powder (a) and LiUF5 crystal (b)
    XRD patterns of UF3 powder (a) and LiUF5 powder (b)
    SEM images of UF3 (a) and LiUF5 (b)
    XRD patterns of LiF-BeF2-UF3-Al2O3 standard sample
    Partial XRD patterns of LiF-BeF2-UF3-LiUF5-Al2O3 sample
    Internal standard curves of UF3vs. Al2O3 peak height ratio (a) and UF3vs. Al2O3 peak area ratio (b)
    XRD pattern (a) and local magnifications (b, c) of LiF-BeF2-UF3-LiUF5-Al2O3 sample
    XRD patterns of test samples S1 and S2
    • Table 1. Composition of LiF-BeF2-UF3-Al2O3 standard sample (wt%)

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      Table 1. Composition of LiF-BeF2-UF3-Al2O3 standard sample (wt%)

      标准样品Standard sampleUF3Li2BeF4Al2O3
      B11.0099.0010.00
      B23.0097.0010.00
      B35.0095.0010.00
      B47.0093.0010.00
      B510.0090.0010.00
    • Table 2. Composition of LiF-BeF2-UF3-LiUF5-Al2O3 samples (wt%)

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      Table 2. Composition of LiF-BeF2-UF3-LiUF5-Al2O3 samples (wt%)

      样品SampleUF3LiUF5Li2BeF4Al2O3
      C11.000.0099.0010.00
      C21.001.3497.6610.00
      C31.006.7492.2610.00
      C41.0013.4885.5210.00
    • Table 3. Diffraction peak height and area of standard samples obtained using internal standard method

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      Table 3. Diffraction peak height and area of standard samples obtained using internal standard method

      样品

      Sample

      UF3峰高度(Ri

      UF3 peak height (Ri)

      UF3峰面积(Ri

      UF3 peak area (Ri)

      Al2O3峰高度(Ri

      Al2O3 peak height (Ri)

      Al2O3峰面积(Ri

      Al2O3 peak area (Ri)

      B1.1929 (50)5 557 (384)1 350 (42)10 064 (213)
      B1.21 235 (68)7 218 (412)1 915 (57)13 593 (356)
      B1.3977 (45)6 192 (430)1 508 (35)10 778 (458)
      B2.12 964 (70)17 735 (511)1 601 (58)11 498 (470)
      B2.23 541 (86 )22 655 (716)1 995 (53)14 549 (515)
      B2.32 484 (67)15 660 (523)1 431 (49)10 103 (462)
      B3.14 692 (144)32 890 (1 115)1 822 (92)10 848 (737)
      B3.22 858 (145)19 609 (1 026)1 049 (75)6 764 (582)
      B3.34 888 (90)30 708 (659)1 915 (41)10 990 (365)
      B4.14 439 (74)27 246 (536)1 050 (33)7 352 (289)
      B4.23 802 (78)26 868 (647)872 (32)6 625 (257)
      B4.36 689 (98)44 881 (1 139)1 648 (40)11 752 (333)
      B5.15 639 (162)31 031 (1 094)926 (51)5 712 (344)
      B5.26 758 (203)41 876 (1 333)1 251 (66)7 496 (452)
      B5.36 750 (190)43 415 (1 387)1 182 (137)7 636 (727)
    • Table 4. Diffraction peak height and area of standard samples C2, C3, and C4

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      Table 4. Diffraction peak height and area of standard samples C2, C3, and C4

      样品

      Sample

      UF3峰高度(Ri

      UF3 peak height (Ri)

      UF3峰面积(Ri

      UF3 peak area (Ri)

      Al2O3峰高度(Ri

      Al2O3 peak height (Ri)

      Al2O3峰面积(Ri

      Al2O3 peak area (Ri)

      C2.1930 (40)5 553 (428)1 346 (77)9 789 (774)
      C2.2897 (37)5 421 (444)1 410 (56)10 756 (882)
      C2.31229 (54)7 737 (668)2 086 (48)14 279 (1 077)
      C3.1804 (46)4 496 (291)1 268 (53)7 768 (712)
      C3.2889 (65)5 145 (450)1 357 (44)9 345 (669)
      C3.31 102 (48)6 271 (610)1 886 (68)12 036 (669)
      C4.1741 (33)3 782 (347)1 378 (66)7 254 (774)
      C4.2718 (48)3 885 (439)1 213 (54)6 686 (320)
      C4.3699 (73)3 682 (462)1 217 (58)6 587 (653)
    • Table 5. Diffraction peak height ratio and UF3 content of samples C2, C3, and C4

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      Table 5. Diffraction peak height ratio and UF3 content of samples C2, C3, and C4

      样品

      Sample

      峰高度比

      Peak height ratio

      含量

      UF3 content / wt%

      相对标准偏差

      Relative standard deviation / %

      C2.10.691.15
      C2.20.641.06
      C2.30.590.98
      平均值C¯1 Average value C¯10.641.068.0
      C3.10.580.97
      C3.20.631.04
      C3.30.631.05
      平均值C¯2 Average value C¯20.611.024.4
      C4.10.570.95
      C4.20.590.98
      C4.30.540.89
      平均值C¯3 Average value C¯30.570.934.9
    • Table 6. Diffraction peak area ratio and UF3 content of samples C2, C3, and C4

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      Table 6. Diffraction peak area ratio and UF3 content of samples C2, C3, and C4

      样品

      Sample

      峰面积比

      Peak area ratio

      含量

      UF3 content / wt%

      相对标准偏差

      Relative standard deviation / %

      C2.10.570.97
      C2.20.500.95
      C2.30.521.06
      平均值C¯4 Average value C¯40.530.996.4
      C3.10.520.98
      C3.20.490.92
      C3.30.581.08
      平均值C¯5 Average value C¯50.530.998.7
      C4.10.561.05
      C4.20.581.09
      C4.30.520.98
      平均值C¯6 Average value C¯60.551.045.4
    • Table 7. Diffraction peak height and area of test samples S1 and S2

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      Table 7. Diffraction peak height and area of test samples S1 and S2

      样品

      Sample

      UF3峰高度(Ri

      UF3 peak height

      (Ri)

      UF3峰面积(Ri

      UF3 peak area

      (Ri)

      Al2O3峰高度(Ri

      Al2O3 peak height

      (Ri)

      Al2O3峰面积(Ri

      Al2O3 peak area

      (Ri)

      S1.12 158 (66)16 189 (619)1 110 (35)10 263 (458)
      S1.22 540 (74)19 117 (715)1 270 (61)11 961 (519)
      S1.32 547 (80)18 533 (703)1 410 (42)11 852 (490)
      S2.13 094 (91)25 340 (752)1 369 (55)10 768 (612)
      S2.23 214 (89)23 945 (653)1 534 (39)10 594 (635)
      S2.32 645 (75)21 676 (686)1 178 (47)9 643 (421)
    • Table 8. Diffraction peak height ratio and UF3 content of test samples S1 and S2

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      Table 8. Diffraction peak height ratio and UF3 content of test samples S1 and S2

      样品

      Sample

      峰高度比

      Peak height ratio

      含量

      UF3 content / wt%

      相对标准偏差

      RSD / %

      S1.11.943.34
      S1.22.003.45
      S1.31.803.10

      平均值S¯1

      Average value S¯1

      1.913.295.4
      S2.12.263.90
      S2.22.103.62
      S2.32.253.88

      平均值S¯2

      Average value S¯2

      2.203.804.1
    • Table 9. Diffraction peak area ratio and UF3 content of test samples S1 and S2

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      Table 9. Diffraction peak area ratio and UF3 content of test samples S1 and S2

      样品

      Sample

      峰面积比

      Peak area ratio

      含量

      UF3 content / wt%

      相对标准偏差

      RSD / %

      S1.11.582.86
      S1.21.602.90
      S1.31.562.83

      平均值S¯3

      Average value S¯3

      1.582.871.1
      S2.12.354.24
      S2.22.264.08
      S2.32.254.06

      平均值S¯4

      Average value S¯4

      2.294.132.4
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    Shizhuan XU, Jian CHEN, Jinzhao ZOU, Peng WANG, Changqing CAO, Jun LIN. Quantitative determination of UF3 in LiF-BeF2 molten salt system based on XRD internal standard method[J]. NUCLEAR TECHNIQUES, 2024, 47(1): 010605

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    Paper Information

    Category: Research Articles

    Received: Apr. 10, 2023

    Accepted: --

    Published Online: Mar. 7, 2024

    The Author Email: WANG Peng (王鹏), LIN Jun (林俊)

    DOI:10.11889/j.0253-3219.2024.hjs.47.010605

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