Determination of trace level thorium and uranium in high purity gadolinium sulfate using ICP-MS with solid-phase chromatographic extraction resins

S. Ito, Y. Takaku, M. Ikeda, Y. Kishimoto

研究成果: Conference contribution

抄録

The Super Kamiokand-Gadolinium (SK-Gd) project is the upgrade of the Super-Kamiokande (SK) detector in order to discover Supernova Relic Neutrinos (SRNs) by loading 0.2% of Gd2(SO4)3 into a 50 kton of the SK water tank. In order to continue solar neutrino measurement with low energy threshold at ∼3.5 MeV, main radioactive contamination, U and Th in Gd2(SO4)3, should be purified before loading. We developed solid-phase extraction technique to measure low concentration of U and Th in Gd2(SO4)3 by ICP-MS. The extraction technique and current status will be presented.

本文言語English
ホスト出版物のタイトルLow Radioactivity Techniques 2017, LRT 2017
ホスト出版物のサブタイトルProceedings of the 6th International Workshop on Low Radioactivity Techniques
編集者Douglas S. Leonard
出版社American Institute of Physics Inc.
ISBN(電子版)9780735416130
DOI
出版ステータスPublished - 2018 1月 3
外部発表はい
イベント6th International Workshop on Low Radioactivity Techniques, LRT 2017 - Seoul, Korea, Republic of
継続期間: 2017 5月 232017 5月 27

出版物シリーズ

名前AIP Conference Proceedings
1921
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

Conference

Conference6th International Workshop on Low Radioactivity Techniques, LRT 2017
国/地域Korea, Republic of
CitySeoul
Period17/5/2317/5/27

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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