Mass spectrometry of interstellar dust analogs produced in a hydrocarbon rich flame

Details Mass spectrometry of interstellar dust analogs produced in a hydrocarbon rich flame Mass spectrometry of interstellar dust analogs produced in a hydrocarbon rich flame

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007msl..confe..66c&link_type=abstract

"Molecules in Space and Laboratory, meeting held in Paris, France, May 14-18, 2007. Editors: J.L. Lemaire, F. Combes. ISBN: 9782

Astronomy and Astrophysics

Astrophysics

Laboratory

Scientific paper

Polycyclic Aromatic Hydrocarbons (PAHs) are considered to be an important component of the interstellar medium. However, no formal identification is possible at present, due to a lack of laboratory gas-phase spectral data for most of them. In order to characterize the PAHs formed in a hydrocarbon rich flame, we use a time-of-flight mass spectrometer. A large variety of conditions have been investigated (fuel, pressure, unburnt gas velocity and mixture ratio). Evolutions in concentrations profiles have been as a function of the distance to the burner. A detailed survey of the propylene flame has also been carried out and the key parameters for PAHs formation have been determined.

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