鍶嘅同位素
圖表 編輯
| 符號 | Z（p） | N（n） | 質量（u） | 半衰期 | 原子核自旋 | 相對豐度 | 相對豐度嘅變化率 |
|---|---|---|---|---|---|---|---|
| 激發能量 | |||||||
| 73Sr | 38 | 35 | 72.96597(64)# | >25 ms | 1/2-# | ||
| 74Sr | 38 | 36 | 73.95631(54)# | 50# ms [>1.5 µs] | 0+ | ||
| 75Sr | 38 | 37 | 74.94995(24) | 88(3) ms | (3/2-) | ||
| 76Sr | 38 | 38 | 75.94177(4) | 7.89(7) s | 0+ | ||
| 77Sr | 38 | 39 | 76.937945(10) | 9.0(2) s | 5/2+ | ||
| 78Sr | 38 | 40 | 77.932180(8) | 159(8) s | 0+ | ||
| 79Sr | 38 | 41 | 78.929708(9) | 2.25(10) min | 3/2(-) | ||
| 80Sr | 38 | 42 | 79.924521(7) | 106.3(15) min | 0+ | ||
| 81Sr | 38 | 43 | 80.923212(7) | 22.3(4) min | 1/2- | ||
| 82Sr | 38 | 44 | 81.918402(6) | 25.36(3) d | 0+ | ||
| 83Sr | 38 | 45 | 82.917557(11) | 32.41(3) h | 7/2+ | ||
| 83mSr | 259.15(9) keV | 4.95(12) s | 1/2- | ||||
| 84Sr | 38 | 46 | 83.913425(3) | 穩定 | 0+ | 0.0056(1) | 0.0055-0.0058 |
| 85Sr | 38 | 47 | 84.912933(3) | 64.853(8) d | 9/2+ | ||
| 85mSr | 238.66(6) keV | 67.63(4) min | 1/2- | ||||
| 86Sr | 38 | 48 | 85.9092602(12) | 穩定 | 0+ | 0.0986(1) | 0.0975-0.0999 |
| 86mSr | 2955.68(21) keV | 455(7) ns | 8+ | ||||
| 87Sr | 38 | 49 | 86.9088771(12) | 穩定 | 9/2+ | 0.0700(1) | 0.0694-0.0714 |
| 87mSr | 388.533(3) keV | 2.815(12) h | 1/2- | ||||
| 88Sr | 38 | 50 | 87.9056121(12) | 穩定 | 0+ | 0.8258(1) | 0.8229-0.8275 |
| 89Sr | 38 | 51 | 88.9074507(12) | 50.57(3) d | 5/2+ | ||
| 90Sr | 38 | 52 | 89.907738(3) | 28.90(3) a | 0+ | ||
| 91Sr | 38 | 53 | 90.910203(5) | 9.63(5) h | 5/2+ | ||
| 92Sr | 38 | 54 | 91.911038(4) | 2.66(4) h | 0+ | ||
| 93Sr | 38 | 55 | 92.914026(8) | 7.423(24) min | 5/2+ | ||
| 94Sr | 38 | 56 | 93.915361(8) | 75.3(2) s | 0+ | ||
| 95Sr | 38 | 57 | 94.919359(8) | 23.90(14) s | 1/2+ | ||
| 96Sr | 38 | 58 | 95.921697(29) | 1.07(1) s | 0+ | ||
| 97Sr | 38 | 59 | 96.926153(21) | 429(5) ms | 1/2+ | ||
| 97m1Sr | 308.13(11) keV | 170(10) ns | (7/2)+ | ||||
| 97m2Sr | 830.8(2) keV | 255(10) ns | (11/2-)# | ||||
| 98Sr | 38 | 60 | 97.928453(28) | 0.653(2) s | 0+ | ||
| 99Sr | 38 | 61 | 98.93324(9) | 0.269(1) s | 3/2+ | ||
| 100Sr | 38 | 62 | 99.93535(14) | 202(3) ms | 0+ | ||
| 101Sr | 38 | 63 | 100.94052(13) | 118(3) ms | (5/2-) | ||
| 102Sr | 38 | 64 | 101.94302(12) | 69(6) ms | 0+ | ||
| 103Sr | 38 | 65 | 102.94895(54)# | 50# ms [>300 ns] | |||
| 104Sr | 38 | 66 | 103.95233(75)# | 30# ms [>300 ns] | 0+ | ||
| 105Sr | 38 | 67 | 104.95858(75)# | 20# ms [>300 ns] | |||
備註：有#嘅數據代表冇經過實驗嘅證明，只係理論推測，而用咗括號括係代表數據唔確定。
參攷 編輯
- 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). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005).
- 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, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (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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