Characterization of Gaseous Pollutants and Water-Soluble Inorganic Ions in PM2.5 during Summer Time at an Urban Site of North India

2016 ◽  
Vol 20 (4) ◽  
Author(s):  
Sailesh N. Behera ◽  
Mukesh Sharma ◽  
Sheo Prasad Shukla
Keyword(s):  
Inorganic Ions ◽  
Water Soluble ◽  
North India ◽  
Urban Site ◽  
Gaseous Pollutants ◽  
Water Soluble Inorganic Ions ◽  
Summer Time

Characterization of water-soluble inorganic ions in size-segregated aerosols in coastal city, Xiamen

2011 ◽  
Vol 99 (3-4) ◽  
pp. 546-562 ◽  
Author(s):  
Jinping Zhao ◽  
Fuwang Zhang ◽  
Ya Xu ◽  
Jinsheng Chen
Keyword(s):  
Inorganic Ions ◽  
Water Soluble ◽  
Coastal City ◽  
Water Soluble Inorganic Ions

scholarly journals Dominant Contributions of Secondary Aerosols and Vehicle Emissions to Water-Soluble Inorganic Ions of PM2.5 in an Urban Site in the Metropolitan Hangzhou, China

Atmosphere ◽  
2021 ◽  
Vol 12 (11) ◽  
pp. 1529
Author(s):  
Chun Xiong ◽  
Shaocai Yu ◽  
Xue Chen ◽  
Zhen Li ◽  
Yibo Zhang ◽  
...  
Keyword(s):  
Vehicle Emissions ◽  
Inorganic Ions ◽  
Water Soluble ◽  
Urban Site ◽  
Online Systems ◽  
Seasonal Characteristics ◽  
Water Soluble Inorganic Ions ◽  
Secondary Aerosols ◽  
The Mean ◽  
Mass Concentrations

Water soluble inorganic ions (WSIIs) are important components in PM2.5 and could strongly affect the acidity and hygroscopicity of PM2.5. In order to achieve the seasonal characteristics and determine the potential sources of WSIIs in PM2.5 in Hangzhou, online systems were used to measure hourly mass concentrations of WSIIs (SO42–, NO3–, NH4+, Cl–, Na+, K+, Ca2+ and Mg2+) as well as PM2.5, NO2 and SO2 at an urban site for one month each season (May, August, October, December) in 2017. Results showed that the hourly mass concentrations of PM2.5 during the whole campaign varied from 1 to 292 μg·m−3 with the mean of 56.03 μg·m−3. The mean mass concentration of WSIIs was 26.49 ± 20.78 μg·m−3, which contributed 48.28% to averaged PM2.5 mass. SNA (SO42–, NO3– and NH4+) were the most abundant ions in PM2.5 and on average, they comprised 41.57% of PM2.5 mass. PM2.5, NO2, SO2 and WSIIs showed higher mass concentrations in December, possibly due to higher energy consumption emissions, unfavorable meteorological factors (e.g., lower wind speed and temperature) and regional transport. Results from PCA models showed that secondary aerosols and vehicle emissions were the dominant sources of WSIIs in the observations. Our findings highlight the importance of stronger controls on precursor (e.g., SO2 and NO2) emissions in Hangzhou, and show that industrial areas should be controlled at local and regional scales in the future.

Characterization of major water-soluble inorganic ions in size-fractionated particulate matters in Shanghai campus ambient air

2004 ◽  
Vol 38 (2) ◽  
pp. 227-236 ◽  
Author(s):  
Guangli Xiu ◽  
Danian Zhang ◽  
Jizhang Chen ◽  
Xuejuan Huang ◽  
Zhixiang Chen ◽  
...  
Keyword(s):  
Inorganic Ions ◽  
Ambient Air ◽  
Water Soluble ◽  
Particulate Matters ◽  
Water Soluble Inorganic Ions

Highly size-resolved characterization of water-soluble inorganic ions in submicron atmospheric particles

2019 ◽  
Vol 12 (6) ◽  
pp. 683-692 ◽  
Author(s):  
Qinghua Zhou ◽  
Jie Wang ◽  
Wenwen Yan ◽  
Kaijie Tang ◽  
Xiaoyue Sun ◽  
...  
Keyword(s):  
Inorganic Ions ◽  
Atmospheric Particles ◽  
Water Soluble ◽  
Water Soluble Inorganic Ions

Long-term characterization of major water-soluble inorganic ions in PM10 in coastal site on the Japan Sea

2011 ◽  
Vol 68 (4) ◽  
pp. 299-316 ◽  
Author(s):  
Yong-tao Guo ◽  
Jing Zhang ◽  
Shi-gong Wang ◽  
Feng She ◽  
Xu Li
Keyword(s):  
Inorganic Ions ◽  
Japan Sea ◽  
Water Soluble ◽  
Coastal Site ◽  
The Japan Sea ◽  
Water Soluble Inorganic Ions
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