Comparison of Concentration Methods for Low-level Radiocesium in Fresh Water

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  • YASUTAKA Tetsuo
    National Institute of Advanced Industrial Science and Technology
  • SHIN Moono
    Tohoku Agricultural Research Center, National Agriculture and Food Research Organization
  • ONDA Yuichi
    Center for research in Isotopes and Environmental Dynamics, University of Tsukuba
  • SHINANO Takuro
    Tohoku Agricultural Research Center, National Agriculture and Food Research Organization
  • HAYASHI Seiji
    National Institute for Environmental Studies, Fukushima Branch
  • TSUKADA Hirofumi
    Fukushima Project Headquarters, Institute of Environmental Radioactivity, FukushimaUniversity
  • AONO Tatsuo
    National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology
  • IIJIMA Kazuki
    Japan Atomic Energy Agency
  • EGUCHI Sadao
    Institute for Agro-Environmental Sciences, National Agriculture and Food Research Organization
  • OHNO Koichi
    National Institute of Public Health
  • YOSHIDA Yukihiro
    Japan Environmental Measurement and Chemical Analysis Association
  • KAMIHIGASHI Hiroshi
    Japan Environmental Measurement and Chemical Analysis Association
  • KITAMURA Kiyoshi
    Japan Chemical Analysis Center
  • KUBOTA Tomijiro
    Institute for Rural Engineering, National Agriculture and Food Research Organization
  • NOGAWA Norio
    Fukushima Future Center for Regional Revitalization, Fukushima University
  • YOSHIKAWA Natsuki
    Faculty of Agriculture, Niigata University
  • YAMAGUCHI Hiroaki
    3M Japan Limited
  • SUEKI Keisuke
    Center for research in Isotopes and Environmental Dynamics, University of Tsukuba
  • TSUJI Hideki
    National Institute for Environmental Studies, Fukushima Branch
  • MIYAZU Susumu
    Institute for Rural Engineering, National Agriculture and Food Research Organization
  • OKADA Yukiko
    Tokyo City University, Faculty of Engineering Atomic Energy Research Laboratory
  • KURIHARA Momo
    National Institute of Advanced Industrial Science and Technology
  • TARJAN Sandor
    International Atomic Energy Agency Environment Laboratories
  • MATSUNAMI Hisaya
    Tohoku Agricultural Research Center, National Agriculture and Food Research Organization
  • UCHIDA Shigeo
    National Institute of Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology

Bibliographic Information

Other Title
  • 陸水中における微量溶存態放射性セシウムの濃縮法の比較
  • リクスイ チュウ ニ オケル ビリョウ ヨウゾンタイ ホウシャセイ セシウム ノ ノウシュクホウ ノ ヒカク

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Abstract

A large amount of radiocesium was released from the accident at Fukushima Daiichi Nuclear Power Plant of Tokyo Electric Power Company. The determination of dissolved and particulate radiocesium concentrations in water is important, which can be used as basic information for understanding the long-term radiocesium dynamics in the environment and the transfer of radiocesium to crops. Conventional quantitative methods include the evaporative concentration to the dryness method and the AMP method. These methods need to concentrate about 20–200 L of water due to the low concentration of the dissolved radiocesium. After the accident, several new methods, such as the Prussian blue filter cartridge method and the solid-phase disk method, have been developed and put to practical use. In this study, we carried out an accuracy evaluation test to assess five methods (i.e., the evaporative concentration to dryness method, the AMP method, the Prussian blue filter cartridge method, the solid-phase disk method, and the ion-change resin method) using 3 types of water samples containing 0.01-1.0 Bq L−1 of dissolved radiocesium. Our results showed that the z-scores of over 80 % of the measured data were within ±2 and their CVs in the range of 8-13 %, indicating good reproducibility of these methods.

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 66 (4), 299-307, 2017

    The Japan Society for Analytical Chemistry

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