氯的同位素
氯（原子质量单位：35.453(2)）共有26个同位素，其中有2个是稳定的。
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| 标准原子质量 (Ar, 标准) |
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图表
| 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] |
相对丰度 的变化量 （莫耳分率） |
|---|---|---|---|---|---|---|---|---|---|
| 激发能量[n 2] | |||||||||
| 28Cl | 17 | 11 | 28.02851(54)# | p | 27S | (1+)# | |||
| 29Cl | 17 | 12 | 29.01411(21)# | <20 ns | p | 28S | (3/2+)# | ||
| 30Cl | 17 | 13 | 30.00477(21)# | <30 ns | p | 29S | (3+)# | ||
| 31Cl | 17 | 14 | 30.99241(5) | 150(25) ms | β+ (99.3%) | 31S | 3/2+ | ||
| β+, p (.7%) | 30P | ||||||||
| 32Cl | 17 | 15 | 31.985690(7) | 298(1) ms | β+ (99.92%) | 32S | 1+ | ||
| β+, α (.054%) | 28Si | ||||||||
| β+, p (.026%) | 31P | ||||||||
| 33Cl | 17 | 16 | 32.9774519(5) | 2.511(3) s | β+ | 33S | 3/2+ | ||
| 34Cl | 17 | 17 | 33.97376282(19) | 1.5264(14) s | β+ | 34S | 0+ | ||
| 34mCl | 146.36(3) keV | 32.00(4) min | β+ (55.4%) | 34S | 3+ | ||||
| IT (44.6%) | 34Cl | ||||||||
| 35 Cl |
17 | 18 | 34.96885268(4) | 稳定 | 3/2+ | 0.7576(10) | 0.75644–0.75923 | ||
| 36 Cl [n 4] |
17 | 19 | 35.96830698(8) | 3.01(2)×105 y | β− (98.1%) | 36Ar | 2+ | 痕量[n 5] | 约为 7x10−13 |
| ε (1.9%) | 36S | ||||||||
| 37 Cl |
17 | 20 | 36.96590259(5) | 稳定 | 3/2+ | 0.2424(10) | 0.24077–0.24356 | ||
| 38Cl | 17 | 21 | 37.96801043(10) | 37.24(5) min | β− | 38Ar | 2− | ||
| 38mCl | 671.361(8) keV | 715(3) ms | IT | 38Cl | 5− | ||||
| 39Cl | 17 | 22 | 38.9680082(19) | 55.6(2) min | β− | 39Ar | 3/2+ | ||
| 40Cl | 17 | 23 | 39.97042(3) | 1.35(2) min | β− | 40Ar | 2− | ||
| 41Cl | 17 | 24 | 40.97068(7) | 38.4(8) s | β− | 41Ar | (1/2+,3/2+) | ||
| 42Cl | 17 | 25 | 41.97325(15) | 6.8(3) s | β− | 42Ar | |||
| 43Cl | 17 | 26 | 42.97405(17) | 3.07(7) s | β− (>99.9%) | 43Ar | 3/2+# | ||
| β−, n (<.1%) | 42Ar | ||||||||
| 44Cl | 17 | 27 | 43.97828(12) | 0.56(11) s | β− (92%) | 44Ar | |||
| β−, n (8%) | 43Ar | ||||||||
| 45Cl | 17 | 28 | 44.98029(13) | 400(40) ms | β− (76%) | 45Ar | 3/2+# | ||
| β−, n (24%) | 44Ar | ||||||||
| 46Cl | 17 | 29 | 45.98421(77) | 232(2) ms | β−, n (60%) | 45Ar | |||
| β− (40%) | 46Ar | ||||||||
| 47Cl | 17 | 30 | 46.98871(64)# | 101(6) ms | β− (97%) | 47Ar | 3/2+# | ||
| β−, n (3%) | 46Ar | ||||||||
| 48Cl | 17 | 31 | 47.99495(75)# | 100# ms [>200 ns] | β− | 48Ar | |||
| 49Cl | 17 | 32 | 49.00032(86)# | 50# ms [>200 ns] | β− | 49Ar | 3/2+# | ||
| 50Cl | 17 | 33 | 50.00784(97)# | 20# ms | β− | 50Ar | |||
| 51Cl | 17 | 34 | 51.01449(107)# | 2# ms [>200 ns] | β− | 51Ar | 3/2+# | ||
- ^ 1.0 1.1 1.2 画上#号的数据代表没有经过实验的证明，仅为理论推测。
- ^ 2.0 2.1 2.2 2.3 用括号括起来的数据代表不确定性。
- ^ 稳定的衰变产物以粗体表示。
- ^ Used in 放射性定年法 water
- ^ Cosmogenic nuclide
| ← | 同位素列表 | → |
| 硫的同位素 | 氯的同位素 | 氩的同位素 |
参考文献
- ^ Meija, Juris; et al. Atomic weights of the elements 2013 (IUPAC Technical Report). Pure and Applied Chemistry. 2016, 88 (3): 265–91. doi:10.1515/pac-2015-0305.
- ^ Universal Nuclide Chart
. Nucleonica. [2012-08-15]. （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).
- 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.