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Detailed Reference Information |
Tervahattu, H., Juhanoja, J., Vaida, V., Tuck, A.F., Niemi, J.V., Kupiainen, K., Kulmala, M. and Vehkamäki, H. (2005). Fatty acids on continental sulfate aerosol particles. Journal of Geophysical Research 110: doi: 10.1029/2004JD005400. issn: 0148-0227. |
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Surface analyses of atmospheric aerosols from different continental sources, such as forest fires and coal and straw burning, show that organic surfactants are found on such aerosols. The predominant organic species detected by time-of-flight secondary ion mass spectrometry on the sulfate aerosols are fatty acids of different carbon chain length up to the C32 acid. These observations are consistent with literature accounts of functional group analysis of bulk samples, but this is the first direct evidence of fatty acid films on the surface of sulfate aerosols. Surface analysis leads to the conclusion that fatty acid films on continental aerosols may be more common than has been previously suggested. |
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Abstract |
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Keywords
Atmospheric Composition and Structure, Aerosols and particles (0345, 4801, 4906), Atmospheric Composition and Structure, Biosphere/atmosphere interactions (0426, 1610), Atmospheric Composition and Structure, Constituent sources and sinks, Atmospheric Composition and Structure, Troposphere, constituent transport and chemistry, fatty acids, aerosol surface, TOF-SIMS |
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Publisher
American Geophysical Union 2000 Florida Avenue N.W. Washington, D.C. 20009-1277 USA 1-202-462-6900 1-202-328-0566 service@agu.org |
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