鎵的同位素
鎵（原子量：69.723(1)）共有34個同位素，其中有2個是穩定的。
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| 標準原子質量 (Ar, 標準) |
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圖表
| 符號 | Z（ p ） |
N（ n ） |
同位素質量（u） | 半衰期 | 衰變 方式[3][n 1] |
衰變 產物[n 2] |
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 | |||||||||
| 56Ga | 31 | 25 | 55.99491(28)# | p | 55Zn | 3+# | |||
| 57Ga | 31 | 26 | 56.98293(28)# | p | 56Zn | 1/2−# | |||
| 58Ga | 31 | 27 | 57.97425(23)# | p | 57Zn | 2+# | |||
| 59Ga | 31 | 28 | 58.96337(18)# | p | 58Zn | 3/2−# | |||
| 60Ga | 31 | 29 | 59.95706(12)# | 70(10) ms | β+ | 60Zn | (2+) | ||
| 61Ga | 31 | 30 | 60.94945(6) | 168(3) ms | β+ | 61Zn | 3/2− | ||
| 62Ga | 31 | 31 | 61.944175(30) | 116.18(4) ms | β+ | 62Zn | 0+ | ||
| 63Ga | 31 | 32 | 62.9392942(14) | 32.4(5) s | β+ | 63Zn | (3/2−) | ||
| 64Ga | 31 | 33 | 63.9368387(22) | 2.627(12) min | β+ | 64Zn | 0(+#) | ||
| 64mGa | 42.85(8) keV | 21.9(7) µs | 2+ | ||||||
| 65Ga | 31 | 34 | 64.9327348(9) | 15.2(2) min | β+ | 65Zn | 3/2− | ||
| 66Ga | 31 | 35 | 65.931589(3) | 9.49(7) h | β+ | 66Zn | 0+ | ||
| 67Ga[n 3] | 31 | 36 | 66.9282017(14) | 3.2612(6) d | ε | 67Zn | 3/2− | ||
| 68Ga[n 4] | 31 | 37 | 67.9279801(16) | 67.783(27) min[1] | β+ | 68Zn | 1+ | ||
| 69 Ga |
31 | 38 | 68.9255736(13) | 稳定 | 3/2− | 0.60108(9) | |||
| 70Ga | 31 | 39 | 69.9260220(13) | 21.14(3) min | β− (99.59) | 70Ge | 1+ | ||
| ε (0.41%) | 70Zn | ||||||||
| 71Ga | 31 | 40 | 70.9247013(11) | 稳定 | 3/2− | 0.39892(9) | |||
| 72Ga | 31 | 41 | 71.9263663(11) | 14.095(3) h | β− | 72Ge | 3- | ||
| 72mGa | 119.66(5) keV | 39.68(13) ms | IT | 72Ga | (0+) | ||||
| 73Ga | 31 | 42 | 72.9251747(18) | 4.86(3) h | β− | 73Ge | 3/2− | ||
| 74Ga | 31 | 43 | 73.926946(4) | 8.12(12) min | β− | 74Ge | (3-) | ||
| 74mGa | 59.571(14) keV | 9.5(10) s | (0) | ||||||
| 75Ga | 31 | 44 | 74.9265002(26) | 126(2) s | β− | 75Ge | (3/2)− | ||
| 76Ga | 31 | 45 | 75.9288276(21) | 32.6(6) s | β− | 76Ge | (2+,3+) | ||
| 77Ga | 31 | 46 | 76.9291543(26) | 13.2(2) s | β− | 77Ge | (3/2−) | ||
| 78Ga | 31 | 47 | 77.9316082(26) | 5.09(5) s | β− | 78Ge | (3+) | ||
| 79Ga | 31 | 48 | 78.93289(11) | 2.847(3) s | β− (99.911%) | 79mGe | (3/2−)# | ||
| β−, n (.089%) | 78Ge | ||||||||
| 80Ga | 31 | 49 | 79.93652(13) | 1.697(11) s | β− (99.11%) | 80Ge | (3) | ||
| β−, n (.89%) | 79Ge | ||||||||
| 81Ga | 31 | 50 | 80.93775(21) | 1.217(5) s | β− (88.11%) | 81mGe | (5/2−) | ||
| β−, n (11.89%) | 80Ge | ||||||||
| 82Ga | 31 | 51 | 81.94299(32)# | 0.599(2) s | β− (78.5%) | 82Ge | (1,2,3) | ||
| β−, n (21.5%) | 81Ge | ||||||||
| 83Ga | 31 | 52 | 82.94698(32)# | 308(1) ms | β− (60%) | 83Ge | 3/2−# | ||
| β−, n (40%) | 82Ge | ||||||||
| 84Ga | 31 | 53 | 83.95265(43)# | 0.085(10) s | β−, n (70%) | 83Ge | |||
| β− (30%) | 84Ge | ||||||||
| 85Ga | 31 | 54 | 84.95700(54)# | 50# ms [>300 ns] | 3/2−# | ||||
| 86Ga | 31 | 55 | 85.96312(86)# | 30# ms [>300 ns] | |||||
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 | → |
| 鋅的同位素 | 鎵的同位素 | 鍺的同位素 |
註釋
- Abbreviations:
EC: Electron capture
IT: Isomeric transition - Bold for stable isotopes, bold italics for nearly stable isotopes (half-life longer than the age of the universe)
- Deexcitation gamma used in medical imaging
- Medically useful radioisotope
参考文獻
- Ramirez, N.C.; Collins, S.M. . Applied Radiation and Isotopes (Elsevier BV). 2023: 111103. ISSN 0969-8043. doi:10.1016/j.apradiso.2023.111103.
- Meija, Juris; et al. . Pure and Applied Chemistry. 2016, 88 (3): 265–91. doi:10.1515/pac-2015-0305.
- . 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).
- 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）. Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005) （页面存档备份，存于）.
- 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）, 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） (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.
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