Accuracy and precision in radiocarbon dating top dating site in united state
AMS dating, for example, involves burning a sample to convert it to graphite.
NOTE: Sample size required by the lab is a conservative estimate.
Normal pretreatment procedures can remove 30% to 70% of the original material sent.
This is done by conversion to carbon dioxide with subsequent graphitization in the presence of a metal catalyst.
Burning the samples to convert them into graphite, however, also introduces other elements into the sample like nitrogen 14.