14C dating of laser-oxidized organics

A. L. Watchman, R. A. Lessard, A. J.T. Jull, L. J. Toolin, W. Blake

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


We used a continuous krypton ion laser to rapidly oxidize milligram-sized fragments of coniferous driftwood of known ages, and the resulting carbon dioxide by accelerator mass spectrometry (AMS). AMS 14C ages of non-pretreated young wood from different parts of two logs were within 10% of the ages of conventionally determined alkaline insoluble fractions. The age of the oldest whole wood measured after laser oxidation was within the error ranges of conventional values. -Authors

Original languageEnglish (US)
Pages (from-to)331-333
Number of pages3
Issue number2
StatePublished - 1993

ASJC Scopus subject areas

  • Archaeology
  • General Earth and Planetary Sciences


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