Rapid analysis of 90Sr in cattle bone and tooth samples by inductively coupled plasma mass spectrometry

Kazuma Koarai; Makoto Matsueda; Jo Aoki; Kayo Yanagisawa; Motoki Terashima; Kenso Fujiwara; Yasushi Kino; Toshitaka Oka; Atsushi Takahashi; Toshihiko Suzuki; Yoshinaka Shimizu; Mirei Chiba; Ken Osaka; Keiichi Sasaki; Tsutomu Sekine; Manabu Fukumoto; Hisashi Shinoda; Akihiro Kitamura; Hironobu Abe

doi:10.1039/D1JA00086A

Rapid analysis of ⁹⁰Sr in cattle bone and tooth samples by inductively coupled plasma mass spectrometry†

Kazuma Koarai,

*^a Makoto Matsueda,^ab Jo Aoki,^ab Kayo Yanagisawa,^b Motoki Terashima,^a Kenso Fujiwara,^a Yasushi Kino,^c Toshitaka Oka,^d Atsushi Takahashi,^e Toshihiko Suzuki,^f Yoshinaka Shimizu,^f Mirei Chiba,^f Ken Osaka,^f Keiichi Sasaki,^f Tsutomu Sekine,^cg Manabu Fukumoto,^h Hisashi Shinoda,^f Akihiro Kitamuraⁱ and Hironobu Abe^a

Author affiliations

* Corresponding authors

^a Collaborative Laboratories for Advanced Decommissioning Science, Sector of Fukushima Research and Development, Japan Atomic Energy Agency (JAEA), 10-2 Fukasaku, Miharu, Fukushima, Japan
E-mail: koarai.kazuma@jaea.go.jp

^b Faculty of Symbiotic Systems Science, Cluster of Science and Technology, Fukushima University, 1 Kanayagawa, Fukushima 960-1296, Japan

^c Department of Chemistry, Tohoku University, 6-3 Aramaki-aoba, Aoba-ku, Sendai, Miyagi, Japan

^d Sector of Nuclear Science Research, Japan Atomic Energy Agency, 2-4 Shirakata, Tokai, Naka, Ibaraki, Japan

^e Tohoku University Hospital, Tohoku University, 1-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, Japan

^f Graduate School of Dentistry, Tohoku University, 4-1 Seiryo-machi, Aoba-ku, Sendai, Miyagi, Japan

^g Institute for Excellence in Higher Education, Tohoku University, 41 Kawauchi, Aoba-ku, Sendai, Miyagi, Japan

^h RIKEN Center for Advanced Intelligence Project, Institute of Physical and Chemical Research (RIKEN), Nihonbashi 1-chome Mitsui Building, 15th floor, 1-4-1 Nihonbashi, Chuo-ku, Tokyo 103-0027, Japan

ⁱ Naraha Center for Remote Control Technology Development, Sector of Fukushima Research and Development, Japan Atomic Energy Agency (JAEA), 1-22 Nakamaru, Yamadaoka, Naraha, Fukushima, Japan

Abstract

Rapid analysis of ⁹⁰Sr in bone and tooth samples of cattle was achieved by inductively coupled plasma mass spectrometry (ICP-MS) coupled with mass-shift and solid-phase extraction techniques. The mass-shift technique with the O₂ reaction mode of ICP-MS was applied to the mass shift of isobaric element ⁹⁰Zr, effectively removing its interference. The solid-phase extraction technique using a Sr resin, which is a polymeric resin supported by 4,4′(5′)-bis-t-butylcyclohexano-18-crown-6, quantitatively separated ⁹⁰Sr from the interfering matrix elements and isobars in the bone and tooth samples. The activity concentrations determined by ICP-MS were comparable with those determined by the conventional radiometric method. However, the limit of detection in the ICP-MS measurement of 0.1 g samples was lower than that in the radioactivity measurement. The analytical time of the ICP-MS method was shortened from 20 days to 11 h, compared with the radiometric method. Therefore, the ICP-MS method can be a rapid and useful procedure for determination of ⁹⁰Sr in small bone and tooth samples taken from terrestrial animals.

Journal of Analytical Atomic Spectrometry

Rapid analysis of ⁹⁰Sr in cattle bone and tooth samples by inductively coupled plasma mass spectrometry†

Abstract

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Rapid analysis of ⁹⁰Sr in cattle bone and tooth samples by inductively coupled plasma mass spectrometry

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Journal of Analytical Atomic Spectrometry