see
Grootes, P.M., W.G. Mook, and J.C. Vogel (1969): Isotopic fractionation
between gaseous and condensed carbon dioxide, Z. Phys., 221, 257-273.
John Marshall wrote:
> Dear Isogeochemists:
>
> I understand that the CO2 in a pressurized container occurs in both liquid
> and vapor phases. Because we sample from the depleted vapor in the
> headspace, the isotopic composition of the remaining CO2 is gradually
> enriched as the CO2 is consumed. Has a quantitative description of this
> process been worked out? If not, is the equilibrium fractionation between
> the liquid and vapor phases known?
>
> John D. Marshall
> University of Idaho
--
Jan Kaiser
Max Planck Institute for Chemistry
Department of Atmospheric Chemistry
Johann-Joachim-Becher-Weg 27-29
D-55128 Mainz
Germany
Tel. +49+6131-305-455 (Office)
+49+6131-305-472 (Lab)
Fax +49+6131-305-436
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