Krypton and xenon in the atmosphere of Venus

Details Krypton and xenon in the atmosphere of Venus Krypton and xenon in the atmosphere of Venus

May 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981georl...8..513d&link_type=abstract

Geophysical Research Letters, vol. 8, May 1981, p. 513-516.

Physics

16

Atmospheric Composition, Krypton Isotopes, Venus Atmosphere, Xenon Isotopes, Abundance, Mass Spectroscopy, Pioneer Venus Spacecraft, Venus, Atmosphere, Krypton, Xenon, Mixing, Pioneer Venus, Solar Wind, Neutral Mass Spectrometer, Rare Gases, Comparisons, Volatile Elements, Altitude, Neon, Argon, Isotopes, Concentration, Abundance, Data

Scientific paper

The paper reports a determination by the Pioneer Venus large probe neutral mass spectrometer of upper limits to the concentration of krypton and xenon along with most of their isotopes in the atmosphere of Venus. The upper limit to the krypton mixing ratio is estimated at 47 ppb, with a very conservative estimate at 69 ppb. The probable upper limit to the sum of the mixing ratios of the isotopes Xe-128, Xe-129, Xe-130, Xe-131, and Xe-132 is 40 ppb by volume, with a very conservative upper limit three times this large.

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