Bird, Michael I; Charville-Mort, Peter D.J.; Ascough, P.L.; Wood, Rachel; Higham, Thomas F. G.; Apperley, D.C.
This study investigates the potential of low-temperature oxygen plasma ashing as a technique for decontaminating charcoal and wood samples prior to radiocarbon dating. Plasma ashing is demonstrated to be rapid, controllable and surface-specific. Different organic materials clearly ash at different rates, however, the ability of plasma ashing to selectively ash different organic components is limited in heterogeneous sample matrices. This is because oxidation is confined to the immediate sample...[Show more]
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