Thomas | Horstemeyer LLP
Real-time online monitoring and source apportionment method for atmospheric fine particles containing heavy metals
The present disclosure provides an online monitoring and source apportionment method for atmospheric particles containing heavy metals, and belongs to the technical field of online quantification and source tracing of atmospheric particles containing heavy metals. The single particle aerosol mass spectrometer and X-ray fluorescence spectrometer are combined to quickly determine the concentration, time series, chemical compositions and mixing state of atmospheric particles containing heavy metals from both qualitative and quantitative perspectives. A heavy metal-containing particle mass concentration limit system is incorporated into the X-ray fluorescence spectrometer. Once the mass concentration of a particle containing heavy metals exceeds the standard, the aerosol mass spectrometer can immediately receive this alert through the information transmission system. The online source tracing system of aerosol mass spectrometer will start immediately after receiving the signal of the heavy metal exceeding the standard.
Jinan University
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Chunlei Mengxi Mei
Cheng Wu Li