Compilation of equilibrium fractionation factors (αi−jeq unless otherwise noted) for carbon and oxygen Z-FA-FMK in aqueous solution. These equations are presented graphically in Fig. 1 (note: Δ=1000ln?αΔ=1000ln?α).CompoundsEquationα (25 °C)ReferencesCarbon isotopesCO2(g) – HCO−3−9.483/TK+1.0239−9.483/TK+1.02390.9921Mook et al. (1974) as in Mook (1986)CO2(aq) – HCO−3−9.866/TK+1.0241−9.866/TK+1.02410.9910Vogel et al. (1970) as in Mook (1986)CO2−3 – HCO−3−0.867/TK+1.0025−0.867/TK+1.00250.9996Turner (1982) as in Mook (1986)CO2(g) – calciteΔ?=?−2.988⋅106/TK2??+7.666⋅103/TK−2.4610.9897Bottinga (1968)Oxygen isotopesCO2(g) – H2O17.611/TK+0.982117.611/TK+0.98211.0412Zeebe (2007)CO2(aq) – H2O17.54/TK+0.982717.54/TK+0.98271.0415Wang et al. (2013)HCO−3 – chlorofluorocarbons (CFCs) H2O17.76/TK+0.972517.76/TK+0.97251.0321Wang et al. (2013)CO2−3 – H2O21.72/TK+0.953921.72/TK+0.95391.0268Wang et al. (2013)Calcite – H2OΔ=17747/TK−29.777Δ=17747/TK−29.7771.0302Coplen (2007), Watkins et al. (2013)Full-size tableTable optionsView in workspaceDownload as CSV
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