Mechanism, measurement techniques and their application for particulate organonitrates
LI Wei1, HUANG Shan1, YUAN Bin1, GUO Song2, SHAO Min1
1. Guangdong- Hongkong-Macau Joint Laboratory of Collaborative Innovation for Environmental Quality, Institute for Environmental and Climate Research, Jinan University, Guangzhou 511443, China; 2. International Joint Laboratory for Regional Pollution Control, Ministry of Education, State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing 100871, China
Abstract：Particulate organonitrates are a key component connecting volatile organic compounds (VOCs), nitrogen oxides (NOx), secondary organic aerosols (SOA) and ozone formation. This study provides a thorough review on sources, formation mechanism, measurement techniques and ambient concentrations of particulate organonitrates based on previous studies for over a decade. A schematic diagram was given to illustrate the current knowledge of transformation mechanism for organonitrates in the atmosphere. We also listed current offline and online measurement techniques, associated with their advantages and disadvantages. Ambient mass concentrations of organonitrates in different field campaigns using mentioned measurement techniques were summarized. In addition, we point out the weakness of current organonitrates research and provide an outlook in future.
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