Rapid analysis of U isotopes in vegetables using ICP-MS: application to the emergency U monitoring after the nuclear accident at TEPCO’s Fukushima Dai-ichi power station

Jian Zheng; Keiko Tagami; Shigeo Uchida

doi:10.1007/s10967-011-1387-1

Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 292: Issue 1

Rapid analysis of U isotopes in vegetables using ICP-MS: application to the emergency U monitoring after the nuclear accident at TEPCO’s Fukushima Dai-ichi power station

Authors:

Jian Zheng

Jian Zheng Office of Biospheric Assessment for Waste Disposal, National Institute of Radiological Sciences, 491 Anagawa, Inage, Chiba, 263-8555 Japan

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Keiko Tagami

Keiko Tagami Office of Biospheric Assessment for Waste Disposal, National Institute of Radiological Sciences, 491 Anagawa, Inage, Chiba, 263-8555 Japan

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, and

Shigeo Uchida

Shigeo Uchida Office of Biospheric Assessment for Waste Disposal, National Institute of Radiological Sciences, 491 Anagawa, Inage, Chiba, 263-8555 Japan

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Pages:: 171–175

Online Publication Date:: 24 Aug 2011

Publication Date:: 01 Apr 2012

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-011-1387-1

Keywords:: Uranium; Isotope ratio; Vegetables; SF-ICP-MS; Nuclear accident at Fukushima Dai-ichi power station

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Abstract

After the nuclear accident at TEPCO’s Fukushima Dai-ichi power station in March, hydrogen explosions and reactor building explosion resulted in releases of radionuclides in the environment. Severe radioactive cesium and iodine contaminations have been observed in fallout deposition samples and soils in the East Japan. Radioactive cesium, iodine, uranium, and transuranic radionuclides were set as the monitoring targets in food safety tests. However, so far, only radioactive cesium and iodine were daily measured and reported by the Ministry of Health, Labour, and Welfare. The tedious and time consuming conventional alpha spectrometric method hampered the emergency monitoring U contamination in foods. In this work, we propose a simple and rapid analytical method for ²³⁸U and ²³⁵U/²³⁸U isotope ratio analysis in fresh vegetables. This method was applied to the emergency monitoring of radioactive contamination after the nuclear accident at TEPCO’s Fukushima Dai-ichi power station. The results showed no U contamination in fresh vegetables collected in Chiba and Ibaraki prefectures in April and May, 2011.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)