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cobalt 57


Co-57

  • energy: 122 keV (near Tc-99m)

  • half-life: 270 days

  • used as standard to check dose calibrator

see also: Cs-137


Charles E. Kahn, Jr., MD  -  2 February 1995
Last updated:  1 October 2013


 

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Copyright © 2013, Charles E. Kahn, Jr.