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Wed, 2 Dec 1998 11:00:12 -0500 |
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We have used a GC system to separate O2 from other gases. It is the same
system that is described in our paper Revesz et al, Applied Geochemistry,
Vol. 10. pp. 505-516, 1995, or the modified version of the system used in
Revesz-Coplen: GC separation of CO2 and N2O for stable isotope analysis of
CO2. Analytical Chemistry, 1990, 62 pp 972-973.
We converted the O2 to CO2 after separation. The precision was 0.1 permill
or better.
Regards: Kinga Revesz
>
Kinga Revesz
chemist
Water Resources Division
U.S.Geological Survey
431 National Center
Reston, VA. 22092
T: 703-648-5865
Fax: 703 648-5274
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