Journal of Radioanalytical and Nuclear Chemistry

, Volume 100, Issue 2, pp 231–240 | Cite as

The measurement of neutron-induced radionuclides from Chinese nuclear weapons tests

  • S. Kojima
  • M. Furukawa


The concentrations of neutron-induced radionuclides have been measured in ground level air during the period between 1976 and 1981 at Nagoya (35° N, 137° E), Japan. Six Chinese atmospheric nuclear weapons tests were conducted by the government of China at Lop Nor (40° N, 90° E) during the period 1976–1981. The Chinese nuclear tests of November 17, 1976 (the 21st test) and October 16, 1980 (the 26th test), high-yield devices, produced54Mn,55Fe and88Y whose production reactions are54Fe(n, p),56Fe(n, 2n) and89Y(n, 2n), respectively. The tests of September 26, 1976 (the 19th test), September 17, 1977 (the 22nd test) and March 15, 1978 (the 23rd test), low-yield devices, produced54Mn,57Co and58Co whose production reactions are54Fe(n, p),58Ni(n, pn) and58Ni(n, p) respectively. No neutron activation product from the 24th test (December 14, 1978) was observed.


Japan Radionuclide Ground Level Activation Product Neutron Activation 
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Copyright information

© Akadémiai Kiadó 1986

Authors and Affiliations

  • S. Kojima
    • 1
  • M. Furukawa
    • 1
  1. 1.Radioisotope Center and Department of Chemistry, Faculty of ScienceNagoya UniversityNagoya(Japan)

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