Characteristics and Sources of Water-Soluble Ionic Species Associated with PM10 Particles in the Ambient Air of Central India

doi:10.1007/s00128-012-0806-5

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標題:	Characteristics and Sources of Water-Soluble Ionic Species Associated with PM10 Particles in the Ambient Air of Central India
作者:	Deshmukh, Dhananjay K. Tsai, Ying I. Deb, Manas K. Zarmpas, Pavlos
貢獻者:	環境資源管理系
關鍵字:	Atmospheric Aerosols Water-Soluble Ions Seasonal Variation Source Identification
日期:	2012-11
上傳時間:	2014-03-21 16:12:56 (UTC+8)
出版者:	Springer
摘要:	PM10 aerosol samples were collected in Durg City, India from July 2009 to June 2010 using an Andersen aerosol sampler and analyzed for eight water-soluble ionic species, namely, Na+, NH4 (+), K+, Mg2+, Ca2+, Cl-, NO3 (-) and SO4 (2-) by ion chromatography. The annual average concentration of PM10 (253.5 +/- A 99.4 mu g/m(3)) was four times higher than the Indian National Ambient Air Quality Standard of 60 mu g/m(3) prescribed by the Central Pollution Control Board, India. The three most abundant ions were SO4 (2-), NO3 (-), and NH4 (+), with average concentrations of 8.88 +/- A 4.81, 5.63 +/- A 2.22, and 5.18 +/- A 1.76 mu g/m(3), respectively, and in turn accounting for 27.1 %, 16.5 %, and 15.5 % of the total water-soluble ions analyzed. Seasonal variation was similar for all secondary ions i.e., SO4 (2-), NO3 (-), and NH4 (+), with high concentrations during winter and low concentrations during monsoon. Varimax Rotated Component Matrix principal component analysis identified secondary aerosols, crustal resuspension, and coal and biomass burning as common sources of PM10 in Durg City, India.
關聯:	Bulletin of Environmental Contamination And Toxicology, 89(5), 1091-1097
顯示於類別:	[環境資源管理系(所)] 期刊論文

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