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http://dx.doi.org/10.5572/KOSAE.2014.30.5.461

Characteristics of PM2.5 Carbonaceous Aerosol using PILS-TOC and GC/MS-TD in Seoul  

Park, Da-Jeong (Mokpo National University, Department of Environmental Engineering)
Ahn, Joon-Young (National Institute of Environmental Research, Air Quality Research Division)
Shin, Hye-Jung (National Institute of Environmental Research, Air Quality Research Division)
Bae, Min-Suk (Mokpo National University, Department of Environmental Engineering)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.30, no.5, 2014 , pp. 461-476 More about this Journal
Abstract
Continuous Water-Soluble Organic Carbons (WSOC) by the Particle Into Liquid Sampler - Total Organic Carbon (PILS-TOC) analyzer were measured at the Seoul intensive monitoring site from June 17 through July 5 in 2014. In addition, the 24 hour integrated PM2.5 collected by Teflon and Quartz filters were analyzed for water soluble ions by Ion chromatography (IC), WSOC by TOC from water extracts, organic carbon (OC), elemental carbon (EC) by carbon analyzer using the thermal optical transmittance (TOT) method, and mass fragment ions (m/z) related to alkanes and PAHs (Poly Aromatic Hydrocarbons) by Gas Chromatography-Mass Spectrometer-Thermal Desorption (GC/MS-TD). Based on the statistical analysis, four different Carbonaceous Thermal Distributions (CTDs) from OCEC thermal-gram were identified. This study discusses the primary and secondary sources of WSOC based on the Classified CTD, organic mass fragments, and diurnal patterns of WSOC. The results provide knowledge regarding the origins of WSOC and their behaviors.
Keywords
PILS; TOC; Total Organic Carbon; GCMS;
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Times Cited By KSCI : 4  (Citation Analysis)
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