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
- NUCLEAR TECHNIQUES
- Vol. 46, Issue 2, 020202 (2023)
Fig. 1. Schematic diagram of LIBS optical system
Fig. 2. Schematic diagram of the vacuum system
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. 6. Calibration curve of hydrogen atomic content
Fig. 7. Calibration curve of deuterium atomic content
Fig. 8. Calibration curve of hydrogen atomic content after integrated intensity correction
Fig. 9. Calibration curve of deuterium atomic content after integrated intensity correction
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Table 1. Experimental parameters of LIBS
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Table 2. Spectral constant information of Ti characteristic line
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Table 3. Plasma temperature of TiH(D) sample
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Table 4. H and D quantitative analysis results in samples (%)
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Table 5. Limit of detection of hydrogen isotope (%)
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