钴的同位素
外观
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标准原子质量 (Ar, 标准) |
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钴(原子量:58.933194(3))共有40个同位素,其中有1个是稳定的。
图表
[编辑]符号 | Z | N | 同位素质量(u) [n 1][n 2] |
半衰期 [n 1][n 2] |
衰变 方式[2] |
衰变 产物 [n 3] |
原子核 自旋[n 1] |
相对丰度 (莫耳分率)[n 2] |
---|---|---|---|---|---|---|---|---|
激发能量[n 1][n 2] | ||||||||
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−# |
← | 同位素列表 | → |
铁的同位素 | 钴的同位素 | 镍的同位素 |
参考文献
[编辑]- ^ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. Standard atomic weights of the elements 2021 (IUPAC Technical Report). Pure and Applied Chemistry. 2022-05-04. ISSN 1365-3075. doi:10.1515/pac-2019-0603 (英语).
- ^ Universal Nuclide Chart. nucleonica. [2015-09-13]. (原始内容存档于2017-02-19).
- 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).
- 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.