Cheng Li, Guanxin Yao, Xinyan Yang, Zhengbo Qin, Xianfeng Zheng, Zhifeng Cui. Key Experimental Parameter Optimization for Laser Induced Breakdown Spectroscopy of Liquid Matrix[J]. Laser & Optoelectronics Progress, 2019, 56(7): 073002
- Laser & Optoelectronics Progress
- Vol. 56, Issue 7, 073002 (2019)
Fig. 1. Schematic of experimental apparatus
Fig. 2. LIBS of each heavy metal element in mixed solution. (a) Al; (b)Mn, Pb; (c) Cr, Ca; (d) Cd
Fig. 3. LIBS versus laser pulse energy
Fig. 4. RSN versus laser pulse energy
Fig. 5. LIBS versus ICCD gate delay
Fig. 6. RSN versus ICCD gate delay
Fig. 7. RSN versus liquid flow rate
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Table 1. Heavy metal elements and their mass concentrations in mixed solution
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Table 2. Assignments of atom lines and their ion lines
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Table 3. Analytical spectral lines, first ionization energies and excitation difficulty levels
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