NUCLEAR TECHNIQUES, Volume. 46, Issue 2, 020202(2023)
Quantitative determination of hydrogen isotopes using laser-induced breakdown spectroscopy
Figures & Tables(14)
Fig. 3. LIBS spectrum of TiH0.5D0.5 at the wavelength of 300~700 nm
Fig. 4. LIBS spectrum of Ti element in TiH0.5D0.5 in the range of 498~502 nm
Fig. 5. The characteristic spectrum of HD in the sample TiH0.5D0.5
Fig. 8. Calibration curve of hydrogen atomic content after integrated intensity correction
Fig. 9. Calibration curve of deuterium atomic content after integrated intensity correction
Table 1. Experimental parameters of LIBS
View tableView in ArticleTable 1. Experimental parameters of LIBS
激光波长 Laser wavelength/ nm 激光能量Laser energy / mJ ICCD延迟时间ICCD delay time / ns 曝光时间Exposure time / ms 门宽 Gate width/ μs 增益Gain 背景气氛Background atmosphere 背景压强Background pressure / Pa 1 064 10 100 10 000 5 2 000 He 3 000
Table 2. Spectral constant information of Ti characteristic line
View tableView in ArticleTable 2. Spectral constant information of Ti characteristic line
λ / nm Em / cm-1 Amn / 107 gm Em / eV 498.173 0 26 910.709 6.60 13 3.334 236 845 499.106 6 26 772.968 5.84 11 3.317 170 735 499.950 1 26 657.416 5.27 7 3.302 853 842 500.098 8 36 096.542 3.65 7 4.472 361 554 500.720 6 26 564.400 4.92 7 3.291 329 160 506.465 1 20 126.062 0.437 7 2.493 619 082
Table 3. Plasma temperature of TiH(D) sample
View tableView in ArticleTable 3. Plasma temperature of TiH(D) sample
编号No. 1 2 3 4 5 6 温度 / KTemperature 15 930 15 865 15 595 15 344 16 857 16 516
Table 4. H and D quantitative analysis results in samples (%)
View tableView in ArticleTable 4. H and D quantitative analysis results in samples (%)
分析方法 Analysis method No.1 No.2 No.3 No.4 No.5 No.6 压降法-氢含量 Pressure drop method - hydrogen content 5.41 9.29 15.52 23.46 41.75 53.11 LIBS标定-氢含量 LIBS calibration - hydrogen content 4.04 8.08 18.27 26.68 34.76 56.74 LIBS测量-氢误差 LIBS measurement - hydrogen error 1.38 1.21 2.74 3.21 6.99 3.63 压降法-氘含量 Pressure drop method - deuterium content 48.72 45.23 36.22 23.46 17.89 5.90 LIBS标定-氘含量 LIBS calibration - deuterium content 47.20 48.87 34.90 23.13 15.25 8.09 LIBS测量-氘误差 LIBS measurement - deuterium error 1.52 3.63 1.33 0.33 2.64 2.19
Table 5. Limit of detection of hydrogen isotope (%)
View tableView in ArticleTable 5. Limit of detection of hydrogen isotope (%)
检测法Test methods H D 峰值强度法 Peak intensity method 2.25 2.80 积分修正法 Integral correction method 1.01 1.22
Tools
Get Citation
Copy Citation Text
Yubo XING, Zhiping ZOU, Ruizhu YANG, Wei MA, Liping ZOU, Liang LU, Zhen YANG. Quantitative determination of hydrogen isotopes using laser-induced breakdown spectroscopy[J]. NUCLEAR TECHNIQUES, 2023, 46(2): 020202
Paper Information
Category: Research Articles
Received: May. 19, 2022
Accepted: --
Published Online: Mar. 2, 2023
The Author Email: YANG Zhen (yangzh97@mail.sysu.edu.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20