In the running discusion of best practice to remove organics for carbonate
isotope analyses, some correspondents have recommended in vacuo roasting.
I dont understand this.  Isn't the idea to oxidize, rather than pyrolyze
the organic matter?
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Dr. Tom Trull, Leader Biogeochemical Cycles Sub-Program
Antarctic Cooperative Research Centre, University of Tasmania
GPO BOX 252-80, Hobart, Tasmania, 7001 Australia

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