锰的同位素
外观
(重定向自锰的同位素)
| ||||||||||||||||||||||||||||||||||||||||||||||||||
标准原子质量 (Ar, 标准) |
| |||||||||||||||||||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ||||||||||||||||||||||||||||||||||||||||||||||||||
锰(原子量:54.938043(2))共有32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] | ||||||||
46Mn | 25 | 21 | 45.98672(12)# | 37(3) ms | β+ (78%) | 46Cr | (4+) | |
β+, p (22%) | 45V | |||||||
β+, α (<1%) | 42Ti | |||||||
β+, 2p (<1%) | 44Ti | |||||||
46mMn | 150(100)# keV | 1# ms | β+ | 46Cr | 1-# | |||
47Mn | 25 | 22 | 46.97610(17)# | 100(50) ms | β+ (96.6%) | 47Cr | 5/2−# | |
β+, p (3.4%) | 46V | |||||||
48Mn | 25 | 23 | 47.96852(12) | 158.1(22) ms | β+ (99.71%) | 48Cr | 4+ | |
β+, p (.027%) | 47V | |||||||
β+, α (6×10−4%) | 44Ti | |||||||
49Mn | 25 | 24 | 48.959618(26) | 382(7) ms | β+ | 49Cr | 5/2− | |
50Mn | 25 | 25 | 49.9542382(11) | 283.29(8) ms | β+ | 50Cr | 0+ | |
50mMn | 229(7) keV | 1.75(3) min | β+ | 50Cr | 5+ | |||
51Mn | 25 | 26 | 50.9482108(11) | 46.2(1) min | β+ | 51Cr | 5/2− | |
52Mn | 25 | 27 | 51.9455655(21) | 5.591(3) d | β+ | 52Cr | 6+ | |
52mMn | 377.749(5) keV | 21.1(2) min | β+ (98.25%) | 52Cr | 2+ | |||
IT (1.75%) | 52Mn | |||||||
53Mn | 25 | 28 | 52.9412901(9) | 3.7(4)×106 y | ε | 53Cr | 7/2− | 痕量 |
54Mn | 25 | 29 | 53.9403589(14) | 312.03(3) d | ε 99.99% | 54Cr | 3+ | |
β− (2.9×10−4%) | 54Fe | |||||||
β+ (5.76×10−7%) | 54Cr | |||||||
55 Mn |
25 | 30 | 54.9380451(7) | 稳定 | 5/2− | 1.0000 | ||
56Mn | 25 | 31 | 55.9389049(7) | 2.5789(1) h | β− | 56Fe | 3+ | |
57Mn | 25 | 32 | 56.9382854(20) | 85.4(18) s | β− | 57Fe | 5/2− | |
58Mn | 25 | 33 | 57.93998(3) | 3.0(1) s | β− | 58Fe | 1+ | |
58mMn | 71.78(5) keV | 65.2(5) s | β− (>99.9%) | 58Fe | (4)+ | |||
IT (<.1%) | 58Mn | |||||||
59Mn | 25 | 34 | 58.94044(3) | 4.59(5) s | β− | 59Fe | (5/2)− | |
60Mn | 25 | 35 | 59.94291(9) | 51(6) s | β− | 60Fe | 0+ | |
60mMn | 271.90(10) keV | 1.77(2) s | β− (88.5%) | 60Fe | 3+ | |||
IT (11.5%) | 60Mn | |||||||
61Mn | 25 | 36 | 60.94465(24) | 0.67(4) s | β− | 61Fe | (5/2)− | |
62Mn | 25 | 37 | 61.94843(24) | 671(5) ms | β− (>99.9%) | 62Fe | (3+) | |
β−, n (<.1%) | 61Fe | |||||||
62mMn | 0(150)# keV | 92(13) ms | (1+) | |||||
63Mn | 25 | 38 | 62.95024(28) | 275(4) ms | β− | 63Fe | 5/2−# | |
64Mn | 25 | 39 | 63.95425(29) | 88.8(25) ms | β− (>99.9%) | 64Fe | (1+) | |
β−, n (<.1%) | 63Fe | |||||||
64mMn | 135(3) keV | >100 µs | ||||||
65Mn | 25 | 40 | 64.95634(58) | 92(1) ms | β− (>99.9%) | 65Fe | 5/2−# | |
β−, n (<.1%) | 64Fe | |||||||
66Mn | 25 | 41 | 65.96108(43)# | 64.4(18) ms | β− (>99.9%) | 66Fe | ||
β−, n (<.1%) | 65Fe | |||||||
67Mn | 25 | 42 | 66.96414(54)# | 45(3) ms | β− | 67Fe | 5/2−# | |
68Mn | 25 | 43 | 67.96930(64)# | 28(4) ms | ||||
69Mn | 25 | 44 | 68.97284(86)# | 14(4) ms | 5/2−# |
← | 同位素列表 | → |
铬的同位素 | 锰的同位素 | 铁的同位素 |
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. [2015-09-12]. (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.
元素与同位素的稳定度 | |||||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|