Particle Acidity and Sulfate Production during Severe Haze Events in China Cannot Be Reliably Inferred by Assuming A Mixture of Inorganic Salts

Gehui Wang, East China Normal University, Shanghai, China, Fang Zhang, Beijing Normal University, Beijing, China, Jianfei Peng, Texas A&M University College Station, College Station, TX, United States and Renyi Zhang, Texas A&M University, Atmospheric Sciences, College Station, TX, United States