Abstract
Japanese iron artifacts contain a small amount of charcoal which was used in manufacturing. We developed a wet method of carbon extraction from the iron samples for AMS radiocarbon dating. The method consists of dissolution of iron with a Cu2+ solution and dissolution of deposited Cu in HCl. High extraction yields (80–90%) and low contamination by modern carbon were achieved by the wet method.
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References
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M. Hirasawa et al., unpublished results.
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Oda, H., Nakamura, T. & Furukawa, M. A wet method of carbon extraction from iron artifacts for14C age measurement with AMS. J Radioanal Nucl Chem 239, 561–564 (1999). https://doi.org/10.1007/BF02349069
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DOI: https://doi.org/10.1007/BF02349069