Search for organic and volatile inorganic compounds in two surface samples from the chryse planitia region of Mars

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Abstract

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 in 109 by weight in our samples. Proposed mechanisms for the accumulation and destruction of organic compounds are discussed in the light of this limit.

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Biemann, K., Oro, J., Toulmin, P., Orgel, L. E., Nier, A. O., Anderson, D. M., … Biller, J. A. (1976). Search for organic and volatile inorganic compounds in two surface samples from the chryse planitia region of Mars. Science, 194(4260), 72–76. https://doi.org/10.1126/science.194.4260.72

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