Summary
The gas chromatograph mass spectrometer instrument of the Viking mission has demonstrated the absence of organic compounds in the immediate surface layer of the two landing sites. The demonstration of the successful operation of the instrument (comparison of ground-based test data with those obtained during interplanetary flight and the data from the surface of the planet) and its limitations (e.g., the detection of highly cross-linked polymers or polymeric carbon suboxide) are reviewed. The measurements for bound water are based on indirect data, the detectability of evolved carbon dioxide and ammonia is poor, and oxygen, liberated from the soil samples, can not be detected.
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Biemann, K. The implications and limitations of the findings of the Viking organic analysis experiment. J Mol Evol 14, 65–70 (1979). https://doi.org/10.1007/BF01732368
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DOI: https://doi.org/10.1007/BF01732368