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 (acids) / CH3C(O)C(O)OH / YamamotoBack(1985)_358K_250-401nm

DATAFILE: CH3C(O)C(O)OH_YamamotoBack(1985)_358K_250-401nm.txt
NAME: pyruvic acid
FORMULA: CH3C(O)C(O)OH
AUTHOR(YEAR): YamamotoBack(1985)
T: 358K
λ: 250-401nm
BIBLIOGRAPHY: S. Yamamoto and R.A. Back, "The photolysis and thermal decomposition of pyruvic acid in the gas phase", Can. J. Chem. 63, 549-554 (1985); DOI: 10.1139/v85-089
COMMENTS: The absorption spectrum was measured in a 4-m tube at a pressure of 4.85 Torr at 358 K and is shown in Fig. 1 (absorbance in arbitrary units vs. wavelength, 250-400 nm); for the maximum at 350.6 nm the extinction coefficient εmax = 10 L mol-1 cm-1 was measured

The absorption curve in Fig. 1 has been digitized and normalized to εmax and the absorption cross sections have been obtained by personal communication from Abraham Horowitz

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