Calculation tools
Reference radiocarbon values for 100% biogenic carbon, based on radiocarbon values of atmospheric CO2
These data may be freely used to obtain 14C reference values for 100% biogenic carbon, provided reference is made in reports to this webpage, and in scientific literature to Palstra & Meijer (2014; see reference list).
Water isotope calculation tool
A spreadsheet for calculating isotopic abundances (2H, 17O, 18O) for mixtures of waters with different compositions.
| Last modified: | 20 January 2025 3.20 p.m. |