Acknowledgements We have profited from discussions with Dr. Franz Rohrer. We acknowledge financial support from the National Natural Science Foundation of China (Grant Nos. 91544225 and 41375124), the Strategic Priority Research Program of the Chinese Academy of Sciences (No. XDB05010500), and the special fund of the State Key Joint Laboratory of Environment Simulation and Pollution Control (13Z02ESPCP).
The photolysis frequency of NO2, j(NO2), is an important analytical parameter in the study of tropospheric chemistry. A chemical actinometer (CA) was built to measure the ambient j(NQ) based on a high precision ...