Abstract
Carbon isotope fractionation between gaseous carbon dioxide and aqueous bicarbonate decreases from 9.2 to 6.8 parts per thousand over the temperature range 0°–30° C. This fractionation occurs in the hydration stage, not in the passage of atmospheric carbon dioxide through the air–water interface.
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DEUSER, W., DEGENS, E. Carbon Isotope Fractionation in the System CO2(gas)—CO2(aqueous)—HCO3−(aqueous). Nature 215, 1033–1035 (1967). https://doi.org/10.1038/2151033a0
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DOI: https://doi.org/10.1038/2151033a0
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