Other
Scientific paper
Oct 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991gecoa..55.2937w&link_type=abstract
Geochimica et Cosmochimica Acta (ISSN 0016-7037), vol. 55, Oct. 1991, p. 2937-2942.
Other
14
Aromatic Compounds, Carbonaceous Chondrites, Cyclic Hydrocarbons, Liquid Chromatography, Naphthalene, Pyrenes, Aqueous Solutions, Hydrothermal Systems, Ivuna Meteorite, Radiochemical Separation, Transport Properties
Scientific paper
A model geochromatography experiment was conducted to test the hypothesis that leaching by hydrothermal fluids was the cause for the unique polycyclic aromatic hydrocarbon (PAH) compositions of Ivuna, a CI carbonaceous chondrite. In this experiment, naphthalene, phenanthrene, and pyrene were partially resolved at a low pressure and low flow rates, using columns containing crushed serpentine or beach sand, and water for elution. The results suggest that complete separation of PAHs could be expected to occur in the parent body of CI carbonaceous chondrites. It is proposed that aqueous fluids driven by heat in the parent body of Ivuna migrated from the interior to the surface, and, in the process, transported, separated, and concentrated PAHs at various zones in the parent body.
Bada Jeffrey L.
Wing Michael R.
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