Oops sorry, I got it wrong;  thought you were looking for delta 18O
yehoshua

Dear friends,
>I am searching for informations (references a.s.o.) about the differences
>in the del C13 between CO2 generated by burning of CaCO3 (if possible
>related with Temperature and duration of burning), and CO2 produced by the
>classical H3PO4 acidification.
>Thanks a lot for your help
>PAT
>
>__________________________________________________________
>
>Patrick DAUBY
>Universite de Liege
>Laboratoire d'Oceanologie
>Unite de Recherche en Biogeochimie des Isotopes Stables (URBIS)
>B6 Sart Tilman
>B-4000 Liege, Belgium
>Phone:  + 32-4-3663322
>Private: + 32-4-3836213
>Fax:      + 32-4-3663325
>Web page: http://www.ulg.ac.be/oceanbio/urbis.htm
>__________________________________________________________

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Yehoshua Kolodny, Dept of Geology,
The Hebrew University .Jerusalem. ISRAEL 91904
PHONES: off:(972) 2-6584685; dept.:2-6584686; home 2-5636879;
FAX:(972-2) 5662581
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