Try Peter Bergamaschi

Air Chemistry Dept
Max Planck Institute fur Chemie,
PO BOX 3060
W-6500 Mainz
Germany

They have developed a system for the analysis of the isotopic composition of
atmospheric methane

I'm afraid I do not have any more in the way of contact details

Geraint

> -----Original Message-----
> From: Tom Johnson [SMTP:[log in to unmask]]
> Sent: 19 February 2001 16:20
> To:   [log in to unmask]
> Subject:      IR based isotope analyses
>
> Dear All,
> Quite some time ago, there were reports that isotope ratio measurement via
> IR absorption was being developed.  Does anyone know what the state of the
> art is, or can you tell me who to contact to find out?
> -Tom Johnson
> ***********************
> Thomas M. Johnson
> Assistant Professor
> Dept. of Geology
> University of Illinois at Urban-Champaign
> 245 Natural History Bldg. MC-102
> 1301 W. Green St.
> Urbana, IL  61801
> (217) 244-2002
> FAX (217) 244-4996
> [log in to unmask]
>
> Visit the Hydrogeology Program's web site:
> www.geology.uiuc.edu/Hydrogeology
> ************************