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    Radiocarbon Dating of Iron Artifacts

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    Author
    Cresswell, R. G.
    Issue Date
    1992-01-01
    
    Metadata
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    Citation
    Cresswell, R. G. (1992). Radiocarbon dating of iron artifacts. Radiocarbon, 34(3), 898-905.
    Publisher
    Department of Geosciences, The University of Arizona
    Journal
    Radiocarbon
    Description
    From the 14th International Radiocarbon Conference held in Tucson, AZ, May 20-24, 1991.
    URI
    http://hdl.handle.net/10150/653401
    DOI
    10.1017/S0033822200064225
    Additional Links
    http://radiocarbon.webhost.uits.arizona.edu/
    Abstract
    During the late 1960s, N. J. van der Merwe (1969) obtained 14C measurements on 11 iron pieces, ranging in carbon content from medium carbon (0.22%) wrought iron (1.2 kg used) to high carbon (3.2%) cast iron (30 g), thereby demonstrating the feasibility of the technique for 14C dating iron. In the early 1980s, Sayre et al. (1982) repeated two of van der Merwe's measurements, and carried out two analyses on a recently rediscovered Elizabethan(?) iron bloom. Thirty grams were required of this medium carbon wrought iron to obtain an age using small proportional counters. A number of iron artifacts have recently been analyzed by accelerator mass spectrometry (AMS) at IsoTrace. Samples ranged in size from 3.4 g of a medium carbon (approximately equal to 0.4%) wrought iron bloom to 274 mg for a high carbon (1.79%) wootz steel fragment. AMS now permits analysis of samples that previously were too small or too valuable to be analyzed. For larger samples, multiple analyses can reveal variations that may aid the evaluation of sample history.
    Type
    Proceedings
    text
    Language
    en
    ISSN
    0033-8222
    ae974a485f413a2113503eed53cd6c53
    10.1017/S0033822200064225
    Scopus Count
    Collections
    Radiocarbon, Volume 34, Number 3 (1992)

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