Computer Science
Scientific paper
Oct 1976
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976sci...194...72b&link_type=abstract
Science, vol. 194, Oct. 1, 1976, p. 72-76.
Computer Science
31
Mars Surface Samples, Organic Compounds, Planetary Composition, Atmospheric Composition, Biochemistry, Carbon Dioxide, Gas Chromatography, Heat Treatment, Inorganic Compounds, Mass Spectrometers, Temperature Effects, Viking Lander Spacecraft, Volatility, Water
Scientific paper
Two surface samples collected from the Chryse Planitia region of Mars were heated to temperatures up to 500 C, and the volatiles that they evolved were analyzed with a gas chromatograph-mass spectrometer. Only water and carbon dioxide were detected. This implies that organic compounds have not accumulated to the extent that individual components could be detected at levels of a few parts per billion by weight in the samples. Proposed mechanisms for the accumulation and destruction of organic compounds are discussed in the light of this limit.
Anderson Donald M.
Biemann Klaus
Diaz Alphonso V.
Flory D.
Nier Alfred O.
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