Open AccessMulti-component Gas Photoacoustic Detection
Author(s) -
Yuxin Yun,
Qiang Jiang
Publication year - 2020
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/508/1/012135
Subject(s) - photoacoustic imaging in biomedicine , photoacoustic spectroscopy , acetylene , component (thermodynamics) , methane , mass spectrometry , analytical chemistry (journal) , photoacoustic effect , absorption (acoustics) , photoacoustic tomography , spectrometer , materials science , chemistry , optics , chromatography , physics , composite material , thermodynamics , organic chemistry
Based on the basic principles of photoacoustic spectrometry, this paper uses methane and acetylene as examples to conduct a research for the multi-component gas photoacoustic detection. The photoacoustic spectrometer designed in this paper has the advantages of good selectivity and large detection range, and the proposed multi-component gas photoacoustic quantification method based on least squares regression does not require cell constants and gas absorption coefficient parameters, thus avoiding errors introduced by these parameters. The method proposed in this paper provides a method reference for the engineering application of photoacoustic spectrometry.