Development of an externally controllable sealed isotope generator

An externally controllable sealed isotope generator has been proposed for radiation education activities. Column (68Ge-68Ga and 137Cs-137mBa) and solvent extraction (68Ge-68Ga)-based isotope generators were applied as radioactive sources. These generators showed high milking efficiencies and low bre...

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Bibliographic Details
Published in:Applied radiation and isotopes 2018-03, Vol.133, p.51-56
Main Authors: Sasaki, Toru, Aoki, Katsumi, Yamashita, Ryosuke, Hori, Kensuke, Kato, Taiga, Saito, Misaki, Niisawa, Kazuhiro, Nagatsu, Kotaro, Nozaki, Tadashi
Format: Article
Language:English
Subjects:
137Cs
137mBa
68Ga
68Ge
Generator
Radiation education
Sealed radioactive sources
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Summary:An externally controllable sealed isotope generator has been proposed for radiation education activities. Column (68Ge-68Ga and 137Cs-137mBa) and solvent extraction (68Ge-68Ga)-based isotope generators were applied as radioactive sources. These generators showed high milking efficiencies and low breakthrough after repeated uses, and are expected to promote the use of isotope generators without radioactive contamination or the emission of radioactive waste. This isotope generator provides a new concept for sealed radioisotope sources. •Developed an externally controllable sealed isotope generator.•Solid-liquid and solid-solid separation generators were applied.•Maintained high extraction efficiency and low breakthrough during repeated extractions.
ISSN:0969-8043
1872-9800
DOI:10.1016/j.apradiso.2017.12.015