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Research ESRIG - Energy and Sustainability Research Institute Groningen Centre for Isotope Research - CIO Customers

Calculation tools

CIO lab
CIO lab

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:26 January 2022 4.08 p.m.