Search for Superheavy Elements in Uranium Minerals Using K X-ray Fluorescence Analysis

@inproceedings{Kantele1977SearchFS,
  title={Search for Superheavy Elements in Uranium Minerals Using K X-ray Fluorescence Analysis},
  author={J. Kantele},
  year={1977}
}
Selected uranium mineral joints having high uranium contents (40 to 80%) were irradiated with 279.2 keV ?-rays from a 203Hg source, and an attempt was made to observe fluorescent K X-rays of superheavy elements. An upper limit of 1 ppm was obtained for the concentration of each of the elements Z = 121 to 127 in uranium. It is suggested that another version of the present method be applied to a study of giant-halo inclusions in which K X-rays of superheavy elements could more likely be observed. 

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