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Radiochimica Acta

International Journal for chemical aspects of nuclear science and technology

Editor-in-Chief: Qaim, Syed M.


IMPACT FACTOR 2017: 1.202

CiteScore 2017: 1.22

SCImago Journal Rank (SJR) 2017: 0.409
Source Normalized Impact per Paper (SNIP) 2017: 0.869

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ISSN
2193-3405
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Volume 100, Issue 8-9

Issues

The dawn of radiochemistry in Japan

H. K. Yoshihara
Published Online: 2014-04-15 | DOI: https://doi.org/10.1524/ract.2012.1954

Abstract

In the early history of radiochemistry in Japan Yoshio Nishina and Kenjiro Kimura were internationally known for their discovery of symmetric nuclear fission of uranium. They also succeeded in getting U-237, which is an (n+1) series (neptunium series) nuclide, from U-238 by fast neutron irradiation. Kimura was an excellent leader of the radiochemical analysis of Bikini ashes in 1954. The results of that analysis contributed to the improvement of environmental radioactivity in the world. A tragic story of Nobuo Yamada working at the Radium Institute is related. The start of radiochemistry symposia in Japan is described.

Keywords: Early history of radiochemistry in Japan; Kenjiro Kimura; Production of U-237; Symmetric fission; Analysis of Bikini ashes

About the article

Published Online: 2014-04-15

Published in Print: 2012-08-01


Citation Information: Radiochimica Acta, Volume 100, Issue 8-9, Pages 523–527, ISSN (Online) 2193-3405, ISSN (Print) 0033-8230, DOI: https://doi.org/10.1524/ract.2012.1954.

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©2014 by Walter de Gruyter Berlin/Boston. This article is distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. BY-NC-ND 3.0

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