Table
| nuclide symbol |
Z(p) | N(n) | isotopic mass (u) |
half-life | decay mode(s) |
daughter isotope(s) |
nuclear spin |
representative isotopic composition (mole fraction) |
range of natural variation (mole fraction) |
|---|---|---|---|---|---|---|---|---|---|
| excitation energy | |||||||||
| 47Co | 27 | 20 | 47.01149(54)# | 7/2-# | |||||
| 48Co | 27 | 21 | 48.00176(43)# | p | 47Fe | 6+# | |||
| 49Co | 27 | 22 | 48.98972(28)# | <35 ns | p (>99.9%) | 48Fe | 7/2-# | ||
| β+ (<.1%) | 49Fe | ||||||||
| 50Co | 27 | 23 | 49.98154(18)# | 44(4) ms | β+, p (54%) | 49Mn | (6+) | ||
| β+ (46%) | 50Fe | ||||||||
| 51Co | 27 | 24 | 50.97072(16)# | 60# ms | β+ | 51Fe | 7/2-# | ||
| 52Co | 27 | 25 | 51.96359(7)# | 115(23) ms | β+ | 52Fe | (6+) | ||
| 52mCo | 380(100)# keV | 104(11)# ms | β+ | 52Fe | 2+# | ||||
| IT | 52Co | ||||||||
| 53Co | 27 | 26 | 52.954219(19) | 242(8) ms | β+ | 53Fe | 7/2-# | ||
| 53mCo | 3197(29) keV | 247(12) ms | β+ (98.5%) | 53Fe | (19/2-) | ||||
| p (1.5%) | 52Fe | ||||||||
| 54Co | 27 | 27 | 53.9484596(8) | 193.28(7) ms | β+ | 54Fe | 0+ | ||
| 54mCo | 197.4(5) keV | 1.48(2) min | β+ | 54Fe | (7)+ | ||||
| 55Co | 27 | 28 | 54.9419990(8) | 17.53(3) h | β+ | 55Fe | 7/2- | ||
| 56Co | 27 | 29 | 55.9398393(23) | 77.233(27) d | β+ | 56Fe | 4+ | ||
| 57Co | 27 | 30 | 56.9362914(8) | 271.74(6) d | EC | 57Fe | 7/2- | ||
| 58Co | 27 | 31 | 57.9357528(13) | 70.86(6) d | β+ | 58Fe | 2+ | ||
| 58m1Co | 24.95(6) keV | 9.04(11) h | IT | 58Co | 5+ | ||||
| 58m2Co | 53.15(7) keV | 10.4(3) µs | 4+ | ||||||
| 59Co | 27 | 32 | 58.9331950(7) | Stable | 7/2- | 1.0000 | |||
| 60Co | 27 | 33 | 59.9338171(7) | 5.2713(8) a | β- | 60Ni | 5+ | ||
| 60mCo | 58.59(1) keV | 10.467(6) min | IT (99.76%) | 60Co | 2+ | ||||
| β- (.24%) | 60Ni | ||||||||
| 61Co | 27 | 34 | 60.9324758(10) | 1.650(5) h | β- | 61Ni | 7/2- | ||
| 62Co | 27 | 35 | 61.934051(21) | 1.50(4) min | β- | 62Ni | 2+ | ||
| 62mCo | 22(5) keV | 13.91(5) min | β- (99%) | 62Ni | 5+ | ||||
| IT (1%) | 62Co | ||||||||
| 63Co | 27 | 36 | 62.933612(21) | 26.9(4) s | β- | 63Ni | 7/2- | ||
| 64Co | 27 | 37 | 63.935810(21) | 0.30(3) s | β- | 64Ni | 1+ | ||
| 65Co | 27 | 38 | 64.936478(14) | 1.20(6) s | β- | 65Ni | (7/2)- | ||
| 66Co | 27 | 39 | 65.93976(27) | 0.18(1) s | β- | 66Ni | (3+) | ||
| 66m1Co | 175(3) keV | 1.21(1) µs | (5+) | ||||||
| 66m2Co | 642(5) keV | >100 µs | (8-) | ||||||
| 67Co | 27 | 40 | 66.94089(34) | 0.425(20) s | β- | 67Ni | (7/2-)# | ||
| 68Co | 27 | 41 | 67.94487(34) | 0.199(21) s | β- | 68Ni | (7-) | ||
| 68mCo | 150(150)# keV | 1.6(3) s | (3+) | ||||||
| 69Co | 27 | 42 | 68.94632(36) | 227(13) ms | β- (>99.9%) | 69Ni | 7/2-# | ||
| β-, n (<.1%) | 68Ni | ||||||||
| 70Co | 27 | 43 | 69.9510(9) | 119(6) ms | β- (>99.9%) | 70Ni | (6-) | ||
| β-, n (<.1%) | 69Ni | ||||||||
| 70mCo | 200(200)# keV | 500(180) ms | (3+) | ||||||
| 71Co | 27 | 44 | 70.9529(9) | 97(2) ms | β- (>99.9%) | 71Ni | 7/2-# | ||
| β-, n (<.1%) | 70Ni | ||||||||
| 72Co | 27 | 45 | 71.95781(64)# | 62(3) ms | β- (>99.9%) | 72Ni | (6-,7-) | ||
| β-, n (<.1%) | 71Ni | ||||||||
| 73Co | 27 | 46 | 72.96024(75)# | 41(4) ms | 7/2-# | ||||
| 74Co | 27 | 47 | 73.96538(86)# | 50# ms | 0+ | ||||
| 75Co | 27 | 48 | 74.96833(86)# | 40# ms | 7/2-# | ||||
Read more about this topic: Isotopes Of Cobalt
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