Optics and Precision Engineering, Volume. 32, Issue 20, 2999(2024)
Quantitative analysis of Mo in alloy structural steel using laser-induced fluorescence assisted laser-induced breakdown spectroscopy
Figures & Tables(8)
Fig. 2. The LIBS spectra of samples with eight different concentrations for Mo I 379.83 nm （a）， Mo I 386.41 nm （c）， and Mo I 390.30 nm （e）. The LIBS-LIF spectra of samples with eight different concentrations for Mo I 379.83 nm （b）， Mo I 386.41 nm （d）， and Mo I 390.30 nm （f）
Table 1. Certified concentration of Mo elements in the alloy structure steels sample （
wt .%）View tableView in ArticleTable 1. Certified concentration of Mo elements in the alloy structure steels sample （
wt .%）编号 1 2 3 4 5 6 7 8 Mo 0.21 0.019 0.556 1.4 0.864 0.118 0.305 0.423
Table 2. Spectroscopic parameters of the Mo element spectral lines
View tableView in ArticleTable 2. Spectroscopic parameters of the Mo element spectral lines
Wavelength/nm Lower-level
energy Ei /ev
Upper-level
energy Ek/ev
Transition probability Aki
（×107）
Upper statistical weight gk Exciting lines 317.03 0 3.909 6 1.37 7 Analytical lines 379.83 0 3.263 3 6.89 9 386.41 0 3.207 7 6.23 7 390.30 0 3.175 8 6.17 5
Table 3. Quantitative analyses comparison for Mo element by LIBS and LSA-LIBS
View tableView in ArticleTable 3. Quantitative analyses comparison for Mo element by LIBS and LSA-LIBS
谱线 方法 α 线性R2 RMSECV（wt.%） ARE/% ARSD/% Mo I 386.41 nm LIBS 0.708 95 0.976 5 0.113 78 1.011 5 0.007 733 LIBS-LIF 0.000 007 0.996 8 0.039 402 0.144 74 0.006 171
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Kaifeng MO, Yun TANG, Ze'en YANG, Sheng WANG, Enxin GUO, Jiale LIAO. Quantitative analysis of Mo in alloy structural steel using laser-induced fluorescence assisted laser-induced breakdown spectroscopy[J]. Optics and Precision Engineering, 2024, 32(20): 2999
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Received: Jun. 5, 2024
Accepted: --
Published Online: Jan. 10, 2025
The Author Email: TANG Yun (yuntang@hnust.edu.cn)
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