Nelson, R. The levels of 14 C in the atmosphere have been relatively stable over long time periods, with the exception that atmospheric nuclear weapons tests in — added significant amounts of 14 C to the environment. Oxford University Committee for Archaeology.
In theory, any and all endogenous components of a biological system can be quantified by versatile AMS coupled with amol radiolabeled-isotope detection capability if that system is uniformly labeled by an isotope.
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