Other
Scientific paper
May 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986ceol.symp...50s&link_type=abstract
In NASA, Washington Second Symposium on Chemical Evolution and the Origin and Evolution of Life p 50 (SEE N86-26844 17-55)
Other
Atmospheric Models, Chemical Analysis, Chemical Evolution, Planetary Atmospheres, Titan, Aerosols, Gas Chromatography, Nitrogen, Photolysis, Synthesis (Chemistry), Temperature Effects
Scientific paper
One aspect of the study of Titan's atmosphere is the elucidation of the chemical and physical nature of the aerosols. In order to facilitate this, a program to produce laboratory synthesized model materials for Titan's aerosol and to study their chemical and physical properties is now in progress. Various processes, including electric discharge, photolysis by ultraviolet light, and irradiation by energetic particles, will be used to produce the materials. A first set of experiments where a nominal Titan mixture (97%N2, 3% CH4, 0.2% H2) was subjected to pulsed high temperature shocks yielded a reddish brown waxy solid. This material was subjected to pyrolysis/gas chromatography, a technique that has been proposed as a method for analysis of the Titan aerosols. Preliminary results show the material to consist of simple hydrocarbons but little else, at least up to temperatures of 600 C. Since the material was colored, compounds other than those mentioned above must be present.
Carle Glenn
Chang Sandy
McKay Chris
Ohara B.
Scattergood Thomas W.
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