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    • Radiocarbon, Volume 33 (1991)
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    University of Rome Radiocarbon Dates XVII

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    Author
    Alessio, Marisa
    Allegri, Lucia
    Improta, Salvatore
    Belluomini, Giorgio
    Cortesi, Cesarina
    Manfra, Luigia
    Turi, Bruno
    Issue Date
    1991-01-01
    
    Metadata
    Show full item record
    Citation
    Alessio, M., Allegri, L., Improta, S., Belluomini, G., Cortesi, C., Manfra, L., & Turi, B. (1991). University of Rome radiocarbon dates XVII. Radiocarbon, 33(1), 131-140.
    Publisher
    Department of Geosciences, The University of Arizona
    Journal
    Radiocarbon
    URI
    http://hdl.handle.net/10150/655326
    DOI
    10.1017/S0033822200013254
    Additional Links
    http://radiocarbon.webhost.uits.arizona.edu/
    Abstract
    This list includes dates from Italy, Libyan Sahara, Niger and the Dahlak Islands, obtained from 1976 to 1980, using the benzene scintillation method. Chemical processing from sample to benzene follows procedures of Alessio et al (1978a). Standard pretreatment for wood and charcoal included boiling with 5-10% HCL. Pretreatment for a-labeled samples underwent leaching with 0.2N NaOH. Since the last date list, Lecroy NIM modules have replaced the original recording electronics for the liquid scintillation detection system, described in Alessio et al (1973, 1976). Benzene sample volumes up to 4.Sml, with appropriate amounts of NE 216 scintillator (Nuclear Enterprises, Ltd) yielded the best figure-of-merit (E2/B = 2300) for 2m1 benzene and an efficiency of 72%. Age calculations comply with standard Radiocarbon protocol, as Stuiver and Polach (1977) recommended, including normalization by mass spectrometrically determined delta-13C (Alessio et al 1969).
    Type
    Article
    text
    Language
    en
    ISSN
    0033-8222
    ae974a485f413a2113503eed53cd6c53
    10.1017/S0033822200013254
    Scopus Count
    Collections
    Radiocarbon, Volume 33, Number 1 (1991)

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