Qihang Zhang, Yuzhu Liu, Ruosong Zhu, Feng Jin, Fengbin Zhou, Wenyi Yin. Detection of Pb in Atmospheric Particulates with Laser-Induced Breakdown Spectroscopy Technique[J]. Laser & Optoelectronics Progress, 2018, 55(12): 123002
- Laser & Optoelectronics Progress
- Vol. 55, Issue 12, 123002 (2018)
Fig. 1. Atmospheric particulates
Fig. 2. Schematic of experimental setup
Fig. 3. LIBS spectra of atmospheric particulates at bands of 200-600 nm. (a) 200~300 nm; (b) 300~420 nm; (c) 420~500 nm; (d) 500~600 nm
Fig. 4. LIBS spectra of different samples at band of 340-420 nm. (a) Ordinary atmospheric particulates sample; (b) atmospheric particulates sample with mass fraction of 1000×10-6 Pb; (c) pure Pb
Fig. 5. Calibration curve for Pb in the atmospheric particulates
Fig. 6. Saha-Boltzmann plot of Pb lines
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