The MPI-Mainz UV/VIS Spectral Atlas

of Gaseous Molecules of Atmospheric Interest

www.uv-vis-spectral-atlas-mainz.org

Hannelore Keller-Rudek1, Geert K. Moortgat2, Rolf Sander2, Rüdiger Sörensen1

1Satellite Group

2Atmospheric Chemistry Division

Max-Planck Institute for Chemistry
Mainz, Germany

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When referring to the Spectral Atlas, please cite our publication:

Keller-Rudek, H., Moortgat, G. K., Sander, R., and Sörensen, R.: The MPI-Mainz UV/VIS spectral atlas of gaseous molecules of atmospheric interest, Earth Syst. Sci. Data, 5, 365–373, (2013), DOI: 10.5194/essd-5-365-2013

Cross Sections / Organics (carbonyls) / Ketones,ketenes / CH3C(O)CH2OH / Dillon(2006)_298K_184.9nm

DATAFILE: CH3C(O)CH2OH_Dillon(2006)_298K_184.9nm.txt
NAME: hydroxyacetone, acetol, 2-propanone-1-hydroxy
FORMULA: CH3C(O)CH2OH
AUTHOR(YEAR): Dillon(2006)
T: 298K
λ: 184.9nm
BIBLIOGRAPHY: T.J. Dillon, A. Horowitz, D. Hölscher, J.N. Crowley, L. Vereecken, and J. Peeters, "Reaction of HO with hydroxyacetone (HOCH2C(O)CH3): rate coefficients (233-363 K) and mechanism", Phys. Chem. Chem. Phys. 8, 236-246 (2006); DOI: 10.1039/B513056E
COMMENTS: The absorption cross section was determined in two types of experiments:

In the absolute determination, i.e., measurement of the attenuation of 184.9-nm light by undiluted, static samples of hydroxyacetone at pressures of 0.28-0.501 Torr, a mean value of
σ = (5.43 ± 0.08)×10-18 cm2 molecule-1 was obtained

The second experiment, measurement in a flowing system with the hydroxyacetone diluted in nitrogen relative to the spectrum of

J.J. Orlando, G.S. Tyndall, J.-M. Fracheboud, E.G. Estupiñan, S. Haberkorn, and A. Zimmer, "The rate and mechanism of the gas-phase oxidation of hydroxyacetone," Atmos. Environ. 33, 1621-1629 (1999); DOI: 10.1016/S1352-2310(98)00386-0,

gave σ = (5.44 ± 0.02)×10-18 cm2 molecule-1

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