鈷的同位素
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| 標準原子質量 (Ar, 標準) |
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鈷（原子量：58.933195(5)）共有40個同位素，其中有1個是穩定的。
圖表
| 符號 | Z（ p ） |
N（ n ） |
同位素質量（u） | 半衰期 |
衰變 方式 |
衰變 產物 |
原子核 自旋 |
相對豐度 （莫耳分率） |
相對豐度的變化量 （莫耳分率） |
|---|---|---|---|---|---|---|---|---|---|
| 激發能量 | |||||||||
| 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 [>200 ns] | 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 | ε | 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+ | ||||||
|
59 Co |
27 | 32 | 58.9331950(7) | 稳定 | 7/2− | 1.0000 | |||
|
60 Co |
27 | 33 | 59.9338171(7) | 5.2713(8) y | β−, γ | 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 [>300 ns] | 0+ | ||||
| 75Co | 27 | 48 | 74.96833(86)# | 40# ms [>300 ns] | 7/2−# | ||||
備註：畫上#號的數據代表沒有經過實驗的証明，只是理論推測而已，而用括號括起來的代表數據不確定性。
| ← | 同位素列表 | → |
| 鐵的同位素 | 鈷的同位素 | 鎳的同位素 |
註釋
参考文獻
- Isotope masses from Ame2003 Atomic Mass Evaluation by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
- Isotopic compositions and standard atomic masses from Atomic weights of the elements. Review 2000 (IUPAC Technical Report) （页面存档备份，存于互联网档案馆）. Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005) （页面存档备份，存于互联网档案馆）.
- Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.
- Audi, Bersillon, Blachot, Wapstra. The Nubase2003 evaluation of nuclear and decay properties （页面存档备份，存于互联网档案馆）, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database （页面存档备份，存于互联网档案馆） (retrieved Sept. 2005).
- David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.