Online ISSN: 1884-4111 Print ISSN: 0033-8303
Radioisotopes 67(1): 17-30 (2018)

総説Review Article

ICP-MSによるストロンチウム90の迅速分析法—半減期が数十年のβ線放出核種の高速自動分析—Rapid Measurement of Strontium-90 Using ICP-MS —High Performance Sequential Analyzer for β-ray Emitter Nuclide of Several Ten-Years Half-Life—

1東京大学大学院農学生命科学研究科University of Tokyo ◇ 113–8657 東京都文京区弥生1–1–1 ◇ 1–1–1 Yayoi, Bunkyo-ku, Tokyo 113–8941, Japan

2株式会社パーキンエルマージャパンPerkinElmer Japan ◇ 240–0005 神奈川県横浜市保土ヶ谷区神戸町134横浜ビジネスパークテクニカルセンター4階 ◇ 134 Godo-cho, Hodogaya-ku, Yokohama, Kanagawa Pref. 240–0005, Japan

3福島大学共生システム理工学類Fukushima University ◇ 960–1296 福島県福島市金谷川1 ◇ 1 Kanayagawa, Fukushima-shi, Fukushima Pref. 960–1296, Japan

発行日:2018年1月15日Published: January 15, 2018


90Sr (approx. 29-years half life time) is a beta emission radionuclide and one of the typical fission products produced from uranium fuels. 90Sr is a pure β-ray emitter nuclide and does not emit gamma-rays; thus it is difficult to measure 90Sr compared with γ-ray emitted radionuclides. For the demand of rapid measurement of 90Sr, various analytical methods have been reported. Herein, these analytical systems for 90Sr were reviewed, in particular, the application of inductively coupled plasma quadrupole mass-spectrometry (ICP-QMS) for 90Sr was focused on. The studies on ICP-MS techniques have been progressing since Fukushima Dai-ichi Nuclear Power Plant Accident.

Key words: radioactive strontium; strontium-90; rapid analytical method; mass-spectrometry; ICP-MS

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