Japanese Journal of Radiation Safety Management
Online ISSN : 1884-9512
Print ISSN : 1347-1503
ISSN-L : 1347-1503
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Volume 14, Issue 1
Displaying 1-3 of 3 articles from this issue
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  • Simultaneous Measurement of Dispersal and Adhesion Rates of Tritium using Filter Paper and a Model Room
    Hirokazu MIYOSHI, Takashi MORIWAKI, Yoshihiko KAWAGUCHI, Shintaro NAKA ...
    2015 Volume 14 Issue 1 Pages 27-31
    Published: 2015
    Released on J-STAGE: August 11, 2015
    DOIhttps://doi.org/10.11269/jjrsm.14.27
    JOURNAL FREE ACCESS
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      Tritium dispersal rate in the air and adhesion rate on the wall from a 3H-ATP aqueous solution were simultaneously measured using a model room having six pieces of filter paper attached on the wall. A distribution of tritium on each wall was obtained from the radioactivity of each filter paper divided into 9 pieces. During an exposure time of 2 h to 24 h both dispersal and adhesion rates indicated a similar behavior. With the passage time from the purchase until 13 months both dispersal and adhesion rates linearly increased and it was found that about 0.15% per one month increased as the total rates of dispersal and adhesion.
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