Yes there is a paper: Revesz and Coplen, Gas Chromatographic Separation
of Carbon Dioxide and Nitrous Oxide for Stable Isotopic Analysis of
Carbon Dioxide.  1990, Analytical Chemistry, 62.972-973.

Frank Pawellek wrote:
>
> > But N2O should be a mass 44 problem, shouldn't it?
> >
> > Lois Roe
> >
>
> Oops, sorry. You're right, of course. (2 x 14 + 1 x 16 = 44).
> Still, it can be a problem. But I remember a remark (by S. Borella ?)
> on the list some time ago, that there is a published method to
> correct for this.
>
> Frank
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> Frank Pawellek
> Institut fuer Geologie
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