We have compared accelerator mass spectrometry (AMS) radiocarbon results on wood samples at or near the limit of14C dating, pretreated with a standard acid-base-acid (ABA) protocol, with those obtained from cellulose prepared from the same samples by several modifications of the Jayme-Wise cellulose extraction method (Green 1963). These tests were carried out to determine the most efficient way to ensure low backgrounds in14C measurements of well-preserved ancient wood samples.
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Southon et al. (2010) studied this question.
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