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Most labs react carbonates (calcite) with
phosphoric acid at 25 C for 24 hours to run them on the GasBench.


If I remember correct while running Kiel
Carbonate device the temperature for reaction was 70 C and the reaction time was
around 40 (?) minutes. Is there any reason that will affect the isotope values if
I react calcite for GasBench for an hour at 70 C and running them right away?
Thanks
Million