Isotope | Half-life | Decay mode* | Major γ lines (keV)* |
57Co | 271.8 d | EC (100) | 122.1 (85.6), 136.5 (10.7) |
58gCo | 70.86 d | EC (85.1) + β+ (14.9) | 810.8 (99) |
58mCo | 9.04 h | IT (100) | 24.9 (0.0389) |
111In | 2.80 d | EC (100) | 171.3 (90), 245.4 (94) |
177Lu | 6.73 d | β− (100) | 112.9 (6.4), 208.4 (11.0) |
↵* Values in parentheses represent percentage abundance.
EC = electron capture; IT = internal transition.