2012 Fiscal Year Final Research Report
Structural characterization of humic-like substances in atmospheric aerosols and dynamics of toxic chemical compounds
| Project/Area Number |
23710037
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Environmental dynamic analysis
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| Research Institution | Osaka City Institute of Public Health and Environmental Sciences |
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Principal Investigator |
ASAKAWA Daichi 大阪市立環境科学研究所, 調査研究課, 研究員 (80470251)
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| Project Period (FY) |
2011 – 2012
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| Keywords | エアロゾル / 微小粒子状物質 / 腐植物質 / 有害化学物質 / PAH / 越境汚染 |
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| Research Abstract |
Concentrations and structural characteristics of humic-like substances in atmospheric aerosols, which are fractionated into water-soluble, humic acid-like, and fulvic acid-like fractions, are analyzed. Molecular size distributions and proportions of carbon species of the humic-like substances are similar to those of humic substances isolated from soil and water. However, chemical compositions of the humic-like substances are differed from those of the humic substances, suggesting the different origins and generation pathways of these substances.
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