The coupling of a high-efficiency aerosol collector with electrospray ionisation–Orbitrap mass spectrometry as a novel tool for real-time chemical characterisation of fine and ultrafine particles
Yik-Sze Lau,Zoran Ristovski,and Branka Miljevic
Yik-Sze Lau
International Laboratory for Air Quality and Health, School of Earth and Atmospheric Sciences, Queensland University of Technology, Brisbane, Australia
International Laboratory for Air Quality and Health, School of Earth and Atmospheric Sciences, Queensland University of Technology, Brisbane, Australia
International Laboratory for Air Quality and Health, School of Earth and Atmospheric Sciences, Queensland University of Technology, Brisbane, Australia
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The chemical properties of aerosols in the atmosphere significantly influence their impact on global climate and human health. The current study constructed an instrumental system (HEAC (high-efficiency aerosol collector)/ESI (electrospray ionisation)-Orbitrap-MS (mass spectrometer)) for the real-time chemical analysis of aerosol samples. The combined system successfully identified over 30 chemical compounds in aerosol samples in real time, showing the robustness of the technique for the chemical characterisation of aerosols under atmospherically relevant conditions.
The chemical properties of aerosols in the atmosphere significantly influence their impact on...