Studies of proton irradiated H2O + CO2 and H2O + CO ices and analysis of synthesized molecules

Details Studies of proton irradiated H2O + CO2 and H2O + CO ices and analysis of synthesized molecules Studies of proton irradiated H2O + CO2 and H2O + CO ices and analysis of synthesized molecules

Sep 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991jgr....9617541m&link_type=abstract

(International Conference on Laboratory Research for Planetary Atmospheres, 2nd, Charlottesville, VA, Oct. 21, 1990, Proceedings

Physics

54

Atmospheric Chemistry, Carbon Dioxide, Carbon Monoxide, Cometary Atmospheres, Ice, Proton Irradiation, Formaldehyde, Infrared Spectra, Interstellar Matter, Methyl Compounds, Molecular Spectra, Water

Scientific paper

Infrared spectra of H2O + CO2 and H2O + CO ices before and after proton irradiation showed that a major reaction in both mixtures was the interconversion of CO2 yields CO. Radiation synthesized organic compounds such as carbonic acid were identified in the H2O + CO2 ice. Different chemical pathways dominate in the H2O + CO ice in which formaldehyde, methanol, ethanol, and methane were identified. Sublimed material was also analyzed using a mass spectrometer. Implications of these results are discussed in reference to comets.

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