| Reference Label | Details |
|---|---|
| est unc | estimated uncertainty |
| MacInnes 1933 | D. A. MacInnes and D. Belcher, J. Am. Chem. Soc. 55, 2630-2646 (1933) The Thermodynamic Ionization Constants of Carbonic Acid |
| Harned 1941 | H. S. Harned and S. R. Scholes, J. Am. Chem. Soc. 63, 1706-1709 (1941) The Ionization Constant of HCO3- from 0 to 50° |