Jin-chuan YANG, Jing-long AN, Cong LI, Wen-chao ZHU, Bang-dou HUANG, Cheng ZHANG, Tao SHAO. Study on Detecting Method of Toxic Agent Containing Phosphorus (Simulation Agent) by Optical Emission Spectroscopy of Atmospheric Pressure Low-Temperature Plasma[J]. Spectroscopy and Spectral Analysis, 2022, 42(6): 1728
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 6, 1728 (2022)
Fig. 1. Three different excitation source experimental devices
(a): Nanosecond pulse; (b): DC self-pulse; (c): Microwave
(a): Nanosecond pulse; (b): DC self-pulse; (c): Microwave
Fig. 2. P atom line and PO molecule band in MW plasma with argon carrier gas
Fig. 3. OES from Microwave plasma before and after DMMP is introduced
(a): Before the introduction of the DMMP;(b): After the introduction of the DMMP
(a): Before the introduction of the DMMP;(b): After the introduction of the DMMP
Fig. 4. OES of DMMP from nanosecond pulse discharge (a) and DC self-pulse discharge (b)
Fig. 5. Spectra fitting of different excitation sources
(a): Microwave; (b): Nanosecond pulse; (c): DC self-pulse
(a): Microwave; (b): Nanosecond pulse; (c): DC self-pulse
Fig. 6. Principal component analysis diagram
Fig. 7. Linear fitting of frequency and spectral intensity
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Table 1. Characteristic OES of sarin and DMMP simulant
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Table 2. Fitting temperature of different excitation sources
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Table 3. Comparison of different excitation sources
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Table 4. Eigenvalues and contribution rate of principal components
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