Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2001, Vol. 12 ›› Issue (2): 81

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Radiochemical separation of thorium from 18O induced reaction with natural uranium

YANG Wei-Fan, YUAN Shuang-Gui, XIONG Bing, XU Yan-Bing, HE Jian-Jun, PAN Qiang-Yan, MA Tao-Tao   

  1. Institute of Modern Physics, the Chinese Academy of Sciences, Lanzhou 730000
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YANG Wei-Fan, YUAN Shuang-Gui, XIONG Bing, XU Yan-Bing, HE Jian-Jun, PAN Qiang-Yan, MA Tao-Tao. Radiochemical separation of thorium from 18O induced reaction with natural uranium.Nuclear Science and Techniques, 2001, 12(2): 81

Abstract: A radiochemical procedure used to separate and purify trace concentration thorium produced in heavy ion reaction with uranium targets is presented. The procedure can rapidly yield thorium fraction suitable for gamma-ray spectroscopy studies, The resultant gamma-ray spectra showed that Th was isolated from a large number of elements produced in the reaction, and there were only a few contaminating activities of isotopes of Sc, Cd, In, etc. The decontamination factors for the main reaction products are given.

Key words: Radiochemical separation, Gamma-ray spectra, Decontamination factors