Salve, P R and Krupadam, R J and Wate, S R (2007) A study on major inorganic ion composition of atmospheric aerosols. Journal of Environmental Biology, 28 (2). pp. 241-244. ISSN pISSN: 0254-8704 ; eISSN: 2394-0379

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Abstract: Atmospheric aerosol samples were collected from Akola and Buldana region covering around 40 sqkm area during October-November 2002 and were analyzed for ten major inorganic ions namely F-, Cl-, NO3-, SO42-, PO42-, Na +, K+, Ca2+, Mg2+ and NH using ion chromatographic technique. Theaverage mass of aerosols was found to be 225.81 µg/m3 4+ with standard deviation of 31.29 and average total water soluble load of total cations and anions was found to be 4.32 µg/m3. The concentration of ions in samples showed a general pattern as SO42->NO3->Cl- >PO>Ca2+> NH4+> Mg2+>K for cations. The overall composition of the aerosols was taken into account to identify the sources. The trend showed higher concentration of sodium followed by calcium, sulfate, nitrate, phosphate and ammoinum and found to be influenced by terrestrial sources. The presence of SO42- and NO3- in aerosols may be due to re-suspension of soil particles. Ca2+, Mg2+ and Cl are to be derived from soil materials. The presence of NH+4 may be attributed to the reaction of NH3- vapors with acidic gases may react or condense on an acidic particle surface of anthropogenic origin. Theatmospheric aerosol is slightly acidic due to neutralization of basicity by SO2 and NOx.

Item Type: Article
Uncontrolled Keywords: Aerosol, Inorganic Ions, Ion Chromatography
Subjects: Air Quality
Depositing User: Dr P R Salve
Date Deposited: 31 Jan 2017 08:50
Last Modified: 31 Jan 2017 08:50

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