Acta Photonica Sinica, Volume. 50, Issue 11, 1130001(2021)
Research on Interference Characteristics of C3 Components to Photoacoustic Spectroscopy Detection of C1 and C2 Gases
Figures & Tables(9)
Fig. 1. Absorption lines of C1，C2 mixed composition in the infrared spectral region
Fig. 3. The infrared absorption spectrum of mixed gas molecules in the filter band was selected
Fig. 4. Schematic structure of the infrared multi-component photoacoustic spectroscopy gas analyzer
Fig. 5. C1，C2 gas concentration detection results under different concentrations of C3H8 gas
Fig. 6. C1，C2 gas concentration detection results under different concentrations of C3H6 gas
Table 1. Selection of the center wavelength and bandwidth of the filter
View tableView in ArticleTable 1. Selection of the center wavelength and bandwidth of the filter
Gas Center wavelength/nm Bandwidth/nm C2H2 3 050 100 CH4 3 220 60 C2H6 3 340 70 C2H4 10 600 850
Table 2. The influence of C3H8 gas on the detection of C1 and C2 gas
View tableView in ArticleTable 2. The influence of C3H8 gas on the detection of C1 and C2 gas
Gas C3H8 CH4 C2H6 C2H4 C2H2 Detection gas concentration value /（μL·L-1） 200 7.5 172.4 3 2.7 400 14.75 337.9 6.05 6.05 600 22.3 502.5 9.2 9.7 800 30.3 665.45 12.4 13.1 1 000 37.8 821.6 15.5 16.8 Ratio 0.037 8 0.84 0.015 0.016
Table 3. The influence of C3H6 gas on the detection of C1 and C2 gas
View tableView in ArticleTable 3. The influence of C3H6 gas on the detection of C1 and C2 gas
Gas C3H6 CH4 C2H6 C2H4 C2H2 Detection gas concentration value /（μL·L-1） 200 4 64.5 141.3 5.75 400 7.4 128.35 279.05 10.25 600 11.9 192.25 417.65 14.52 800 15.95 255.8 554.55 20.42 1 000 20.1 317.4 688.11 25.8 Ratio 0.02 0.32 0.696 0.026
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Chenxi LI, Guangzhen WANG, Dehui FU, Guangyin ZHANG, Min GUO, Bo ZHANG, Shuai YUAN, Ke CHEN. Research on Interference Characteristics of C3 Components to Photoacoustic Spectroscopy Detection of C1 and C2 Gases[J]. Acta Photonica Sinica, 2021, 50(11): 1130001
Paper Information
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Received: May. 8, 2021
Accepted: Aug. 27, 2021
Published Online: Dec. 2, 2021
The Author Email: CHEN Ke (chenke@dlut.edu.cn)
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