The acidity of atmospheric particles and clouds
Acidity, defined as pH, is a central component of aqueous chemistry. In the atmosphere, the
acidity of condensed phases (aerosol particles, cloud water, and fog droplets) governs the …
acidity of condensed phases (aerosol particles, cloud water, and fog droplets) governs the …
Explosive secondary aerosol formation during severe haze in the North China Plain
Severe haze events with exceedingly high-levels of fine aerosols occur frequently over the
past decades in the North China Plain (NCP), exerting profound impacts on human health …
past decades in the North China Plain (NCP), exerting profound impacts on human health …
Sulfate formation is dominated by manganese-catalyzed oxidation of SO2 on aerosol surfaces during haze events
The formation mechanism of aerosol sulfate during wintertime haze events in China is still
largely unknown. As companions, SO2 and transition metals are mainly emitted from coal …
largely unknown. As companions, SO2 and transition metals are mainly emitted from coal …
Oxidation of sulfur dioxide by nitrogen dioxide accelerated at the interface of deliquesced aerosol particles
T Liu, JPD Abbatt - Nature Chemistry, 2021 - nature.com
Although the multiphase chemistry of SO2 in aerosol particles is of great importance to air
quality under polluted haze conditions, a fundamental understanding of the pertinent …
quality under polluted haze conditions, a fundamental understanding of the pertinent …
Fast sulfate formation from oxidation of SO2 by NO2 and HONO observed in Beijing haze
Severe events of wintertime particulate air pollution in Beijing (winter haze) are associated
with high relative humidity (RH) and fast production of particulate sulfate from the oxidation …
with high relative humidity (RH) and fast production of particulate sulfate from the oxidation …
Rapid transition in winter aerosol composition in Beijing from 2014 to 2017: response to clean air actions
The clean air actions implemented by the Chinese government in 2013 have led to
significantly improved air quality in Beijing. In this work, we combined the in situ …
significantly improved air quality in Beijing. In this work, we combined the in situ …
Fine-particle pH for Beijing winter haze as inferred from different thermodynamic equilibrium models
pH is an important property of aerosol particles but is difficult to measure directly. Several
studies have estimated the pH values for fine particles in northern China winter haze using …
studies have estimated the pH values for fine particles in northern China winter haze using …
Aerosol pH and its driving factors in Beijing
J Ding, P Zhao, J Su, Q Dong, X Du… - … Chemistry and Physics, 2019 - acp.copernicus.org
Aerosol acidity plays a key role in secondary aerosol formation. The high-temporal-
resolution PM 2.5 pH and size-resolved aerosol pH in Beijing were calculated with …
resolution PM 2.5 pH and size-resolved aerosol pH in Beijing were calculated with …
Multiphase buffer theory explains contrasts in atmospheric aerosol acidity
Aerosol acidity largely regulates the chemistry of atmospheric particles, and resolving the
drivers of aerosol pH is key to understanding their environmental effects. We find that an …
drivers of aerosol pH is key to understanding their environmental effects. We find that an …
[HTML][HTML] Formation mechanisms of atmospheric nitrate and sulfate during the winter haze pollution periods in Beijing: gas-phase, heterogeneous and aqueous-phase …
P Liu, C Ye, C Xue, C Zhang, Y Mu… - … Chemistry and Physics, 2020 - acp.copernicus.org
A vast area in China is currently going through severe haze episodes with drastically
elevated concentrations of PM 2.5 in winter. Nitrate and sulfate are the main constituents of …
elevated concentrations of PM 2.5 in winter. Nitrate and sulfate are the main constituents of …