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 / Alkynes,polyynes+radicals / Alkynes / C2H2 / Vattulainen(1997)_1073K_195-250nm(2bar)

DATAFILE: C2H2_Vattulainen(1997)_1073K_195-250nm(2bar).txt
NAME: acetylene, ethyne
FORMULA: C2H2
AUTHOR(YEAR): Vattulainen(1997)
T: 1073K
λ: 195-250nm(2bar)
BIBLIOGRAPHY: J. Vattulainen, L. Wallenius, J. Stenberg, R. Hernberg, and V. Linna, "Experimental determination of SO2, C2H2, and O2 UV absorption cross sections at elevated temperatures and pressures", Appl. Spectrosc. 51, 1311-1315 (1997); DOI: 10.1366/0003702971942312
COMMENTS: HC≡CH

A heated and pressurized absorption cell was used to determine the absorption spectra at room temperature and temperatures of 600 and 800 °C and at pressures between 1 and 6 bar. A deuterium lamp was used as a light source, and the light was detected with a photomultiplier tube through a Czerny-Turner monochromator. The bandwidth was 0.5 nm, and scans through the wavelength range were made at 0.5-nm steps

Pressure: 2 bar

Absorption cross sections have been obtained by personal communication from Juha Vattulainen (Nov 1998)

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