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    • Radiocarbon, Volume 29 (1987)
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    Scintillation Counter Performance at the SMU Radiocarbon Laboratory

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    Author
    Devine, James M.
    Haas, Herbert
    Issue Date
    1987-01-01
    Keywords
    Southern Methodist University
    liquid scintillation counters
    laboratory studies
    instruments
    models
    methods
    C 14
    carbon
    isotopes
    radioactive isotopes
    absolute age
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    Citation
    Devine, J. M., & Haas, H. (1987). Scintillation Counter Performance at the SMU Radiocarbon Laboratory∗. Radiocarbon, 29(1), 12-17.
    Publisher
    American Journal of Science
    Journal
    Radiocarbon
    URI
    http://hdl.handle.net/10150/653118
    DOI
    10.1017/S0033822200043514
    Additional Links
    http://radiocarbon.webhost.uits.arizona.edu/
    Abstract
    Results are presented of a study of counter performance and vial characteristics for three liquid scintillation counters used at the SMU Radiocarbon Laboratory: the Intertechnique LS20, Packard Tri-Garb 460C, and LKB Wallac Rack Beta 1217. Modifications to photomultiplier tube high voltage, pre-amplifier gain, energy window settings, counting vial design, and sample holder design have resulted in reduced background, higher counting efficiency, and greater long-term stability for the Intertechnique and Packard counters. Square quartz counting vials are used in the Intertechnique and Packard counters with excellent results. Use of Teflon vials in the LKB counter requires careful cleaning procedures and long counting times.
    Type
    Article
    text
    Language
    en
    ISSN
    0033-8222
    ae974a485f413a2113503eed53cd6c53
    10.1017/S0033822200043514
    Scopus Count
    Collections
    Radiocarbon, Volume 29, Number 1 (1987)

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