Aliphatic hydrocarbons of the Murchison meteorite

Details Aliphatic hydrocarbons of the Murchison meteorite Aliphatic hydrocarbons of the Murchison meteorite

Oct 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990gecoa..54.2859c&link_type=abstract

Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 54, Oct. 1990, p. 2859-2868.

Computer Science

42

Aliphatic Hydrocarbons, Carbonaceous Chondrites, Chemical Composition, Contamination, Murchison Meteorite, Alkanes, Amino Acids, Chromatography, Cyclic Hydrocarbons, Infrared Spectroscopy, Mass Spectroscopy, Nuclear Magnetic Resonance

Scientific paper

Hydrocarbon fractions from the Murchison meteorite were prepared using benzene-methanol as the extraction solvent, fractionated on silica gel columns, and analyzed using gas chromatography combined with mass spectrometry and IR and NMR techniques. Results indicate that the most abundant aliphatic hydrocarbon components of the Murchison meteorite are C15 to C30 branched-alkyl-substituted mono-, di-, and tricyclic alkanes. It is shown that the n-alkanes, methyl alkanes, and isoprenoid alkanes that are sometimes found in extracts of the Murchison meteorite are terrestrial contaminants.

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