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On gaseous C4H6O2 compounds in the atmosphere: new insights from collision experiments of the protonated molecules in the laboratory and on aircraft

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Schröder,  Detlef
Frank Arnold - Atmospheric Trace Gases and Ions, Research Groups, MPI for Nuclear Physics, Max Planck Society;

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Eerdekens,  Gunter
Prof. Konrad Mauersberger, Emeriti, MPI for Nuclear Physics, Max Planck Society;

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Arnold,  Frank
Frank Arnold - Atmospheric Trace Gases and Ions, Research Groups, MPI for Nuclear Physics, Max Planck Society;

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Citation

Schröder, D., Soldi-Lose, H., Semialjac, M., Loos, J., Schwarz, H., Eerdekens, G., et al. (2003). On gaseous C4H6O2 compounds in the atmosphere: new insights from collision experiments of the protonated molecules in the laboratory and on aircraft. International Journal of Mass Spectrometry, 228(1), 35-47. doi:10.1016/S1387-3806(03)00192-1.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0011-8E52-1
Abstract
A variety of mass spectrometric methods and complementary theoretical calculations are used to assess the potential contributions of C4H6O2 isomers to the m/z=87 ion found in a recent atmospheric field study (Int. J. Mass Spectrom. 223/224 (2003) 733). The analysis of high- and low-energy collision experiments suggests that a ca. 1:1:1 mixture of crotonic acid, vinylacetic acid, and methyl acrylate can account for the experimental findings in the field study. For a more concise assessment, further field studies using complementary approaches for the characterization of atmospheric trace components are recommended.