Authors:
A. Nakaoka Central Research Institute of Electric Power Industry Energy and Environment Laboratory 11-1, Iwato-Kita 2-chome 201 Komae-shi, Tokyo (Japan)

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H. Yokoyama Central Research Institute of Electric Power Industry Energy and Environment Laboratory 11-1, Iwato-Kita 2-chome 201 Komae-shi, Tokyo (Japan)

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M. Fukushima Central Research Institute of Electric Power Industry Energy and Environment Laboratory 11-1, Iwato-Kita 2-chome 201 Komae-shi, Tokyo (Japan)

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S. Takagi Central Research Institute of Electric Power Industry Energy and Environment Laboratory 11-1, Iwato-Kita 2-chome 201 Komae-shi, Tokyo (Japan)

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Abstract  

A rapid and precise method of determining radiocesium corresponding to 5 mrem/y, the Japan AEC's guideline, was proposed. The development and practical performance of cesium-selective resin and the determination method was described in this paper. The resin was prepared by the formation of ammonium molybdophosphate in the structure of Amberlite XAD-7 resin. It took only 3 hours to carry out all the procedures the authors proposed. This value represents 1/10∼1/2 of the time of conventional method. The concentration of137Cs and134Cs in sea water was determined to be 0.13∼0.16 pCi/1 and less than 7.1·10−2 pCi/1, respectively.

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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)