> I am looking for suggestions of good papers discussing the methods currently
> or formerly used to isolate by cryogenic means the CO2 from other gases prior 
> to CSIRMS.

Daniel
	The CO2 can be cryogenically isolated after the GC column of an
elemental analyser then passed onto the dual-inlet mass spec... There's a
technical note from VG ISOGAS, No.7, 1988ish. I'm not sure if it's what
you require but send me your fax no and I'll send it.  Best wishes.

Iain

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Iain Robertson                                + 
Godwin Institute for Quaternary Research,     +
University of Cambridge, Free School Lane,    + Tel. ++ 44 (0)1223 334881 
Cambridge, UNITED KINGDOM CB2 3RS             + Fax. ++ 44 (0)1223 334871 
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