| Nuc- lide | Atomic Mass | NN | Abun % | Spin | Half Life | DM | DT | BR % | Decay Energy (MeV) |
|---|---|---|---|---|---|---|---|---|---|
| Co48 | 48.002 | 21 | Syn | ||||||
| Co49 | 48.99 | 22 | Syn | ||||||
| Co50 | 49.982 | 23 | Syn | 6+ | 44ms | ε + P | Mn49 | >42 | 13.130 |
| 44ms | ε | Fe50 | 17.280 | ||||||
| Co51 | 50.971 | 24 | Syn | 7/2- | |||||
| Co52 | 51.9636 | 25 | Syn | 18ms | ε | Fe52 | 14.410 | ||
| 18ms | ε + P | Mn51 | 6.630 | ||||||
| Co53 | 52.9542 | 26 | Syn | 7/2- | 240ms | ε | Fe53 | 8.302 | |
| meta state 3.190MeV | Syn | 19/2- | 247ms | ε | Fe53 | ~98.5 | 11.492 | ||
| 247ms | P | Fe52 | ~1.5 | 1.591 | |||||
| Co54 | 53.9485 | 27 | Syn | 0+ | 193.23ms | ε | Fe54 | 8.243 | |
| meta state 0.199MeV | Syn | 7+ | 1.48m | ε | Fe54 | 8.442 | |||
| Co55 | 54.942 | 28 | Syn | 7/2- | 17.53h | ε | Fe55 | 3.451 | |
| Co56 | 55.9398 | 29 | Syn | 4+ | 77.27d | ε | Fe56 | 4.566 | |
| Co57 | 56.9363 | 30 | Syn | 7/2- | 271.79d | ε | Fe57 | 0.836 | |
| Co58 | 57.9358 | 31 | Syn | 2+ | 70.86d | ε | Fe58 | 2.307 | |
| meta state 0.024MeV | Syn | 5+ | 9.04h | IT | 0.025 | ||||
| Co59 | 58.9332 | 32 | 100. | 7/2- | Stable | ||||
| Co60 | 59.9338 | 33 | Syn | 5+ | 5.2714y | β- | Ni60 | 2.824 | |
| meta state 0.059MeV | Syn | 2+ | 10.467m | IT | 99.76 | 0.059 | |||
| 10.467m | β- | Ni60 | 0.24 | 2.883 | |||||
| Co61 | 60.9325 | 34 | Syn | 7/2- | 1.650h | β- | Ni61 | 1.322 | |
| Co62 | 61.9341 | 35 | Syn | 2+ | 1.5m | β- | Ni62 | 5.315 | |
| meta state 0.022MeV | Syn | 5+ | 13.91m | β- | Ni62 | >99 | 5.337 | ||
| 13.91m | IT | <1 | 0.022 | ||||||
| Co63 | 62.9336 | 36 | Syn | 7/2- | 27.4s | β- | Ni63 | 3.672 | |
| Co64 | 63.9358 | 37 | Syn | 1+ | 0.3s | β- | Ni64 | 7.307 | |
| Co65 | 64.9365 | 38 | Syn | 7/2- | 1.2s | β- | Ni65 | 5.958 | |
| Co66 | 65.94 | 39 | Syn | 3+ | 0.233s | β- | Ni66 | 10.000 | |
| Co67 | 66.941 | 40 | Syn | 7/2- | 0.42s | β- | Ni67 | 8.400 | |
| Co68 | 67.944 | 41 | Syn | 0.18s | β- | Ni68 | 11.700 | ||
| Co69 | 68.945 | 42 | Syn | 0.27s | β- | Ni69 | 9.300 | ||
| Co70 | 69.95 | 43 | Syn | 150ms | β- | Ni70 | 12.700 | ||
| Co71 | 70.952 | 44 | Syn | 7/2- | 210ms | β- | Ni71 | 10.900 | |
| Co72 | 71.956 | 45 | Syn | 90ms | β- | ||||
| Co73 | 7/2- | 46 | Syn | β- | |||||
| Nuclide | Potential Parent Nuclides |
|---|---|
| Co48 | None known |
| Co49 | None known |
| Co50 | None known |
| Co51 | None known |
| Co52 | Ni52 (Syn) |
| Co53 | Ni53 (Syn) |
| meta state 3.190MeV | None known |
| Co54 | Ni54 (Syn) |
| meta state 0.199MeV | None known |
| Co55 | Cu56 (Syn) Ni55 (Syn) |
| Co56 | Ni56 (Syn) |
| Co57 | Ni57 (Syn) |
| Co58 | None known |
| meta state 0.024MeV | None known |
| Co59 | Fe59 (Syn) Ni59 (Syn) |
| Co60 | Fe60 (Syn) |
| meta state 0.059MeV | None known |
| Co61 | Fe61 (Syn) |
| Co62 | Fe62 (Syn) |
| meta state 0.022MeV | None known |
| Co63 | Fe63 (Syn) |
| Co64 | Fe64 (Syn) |
| Co65 | Fe65 (Syn) |
| Co66 | None known |
| Co67 | Fe67 (Syn) |
| Co68 | Fe68 (Syn) |
| Co69 | None known |
| Co70 | None known |
| Co71 | None known |
| Co72 | None known |
| Co73 | None known |
Key:
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Kenneth Barbalace. Periodic Table of Elements - Co - Cobalt. EnvironmentalChemistry.com. 1995 - 2024. Accessed on-line: 4/23/2024
https://EnvironmentalChemistry.com/yogi/periodic/Co-pg2.html
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