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  • COMPARING METHODS FOR CO2 PURIFICATION OF CREMATED BONE SAMPLES

  • Jesper Olsen, Tibor-Tamás Daróczi, Marie Kanstrup
  • Journal:
    Radiocarbon / Volume 65 / Issue 3 / June 2023
    Published online by Cambridge University Press:
    25 May 2023, pp. 809-817
    Print publication:
    June 2023
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  • During the last two decades the radiocarbon (14C) dating of hydroxyapatite archaeological cremated bones has become standard practice. Various pretreatment procedures exist among different laboratories of which some include fixation of SO2 using “Sulfix” prior to CO2 reduction. Recently it was reported that the use of Sulfix may cause the resulting 14C age to be too old. Here we report on the use Sulfix at the Aarhus AMS Centre. Further, we report on an experiment designed to test alternatives for the use of Sulfix as a purification agent.