Author:
Purkayastha B. C.,Martin G. R.
Abstract
Measurements have been made, by a radioactivation technique, of the 129I formed in uranium by pile-neutron-induced fission, and in pitchblende by the natural fission of uranium. The amount found in the pile-neutron-irradiated uranium corresponds to a fission yield of 0.90% at mass 129. The natural production of 129I in pitchblende is discussed in the light of the mass-spectrometric measurements of spontaneous fission xenon made by Thode and his collaborators. An upper limit of 1 part in 108 can be set for the occurrence of 129I in natural iodine. The pile neutron capture cross section of 129I has been measured as 35 barns.
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
43 articles.
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