Mass Fractionation and the Isotopic Anomalies of Xenon and Krypton in Ordinary Chondrites
The abundance and isotopic composition of all noble gases are reported in the Wellman chondrite, and the abundance and isotopic composition of xenon and krypton are reported in the gases released by stepwise heating of the Tell and Scurry chondrites. Major changes in the isotopic composition of Xe result from radiogenic Xe129 and from variations in the isotopic mass fractionation pattern in the different temperature fractions. The isotopic composition of trapped krypton in the different temperature fractions of the Tell and Scurry chondrites displays smaller fractional changes than xenon, but the isotopic composition of these two gases covary in the manner expected from mass dependent fractionation.
E. W. Hennecke and O. Manuel, "Mass Fractionation and the Isotopic Anomalies of Xenon and Krypton in Ordinary Chondrites," Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences, vol. 26, no. 12, pp. 1980-1986, Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences, Dec 1971.
The definitive version is available at http://dx.doi.org/10.1515/zna-1971-1205
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