鈽的同位素
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
圖表
符號 | Z(p ) | N(n ) | 同位素質量(u) | 半衰期 | 衰變 方式[2][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 (莫耳分率) |
---|---|---|---|---|---|---|---|---|---|
激發能量 | |||||||||
228Pu | 94 | 134 | 228.03874(3) | 1.1(+20−5) s | α (99.9%) | 224U | 0+ | ||
β+ (.1%) | 228Np | ||||||||
229Pu | 94 | 135 | 229.04015(6) | 120(50) s | α | 225U | 3/2+# | ||
230Pu | 94 | 136 | 230.039650(16) | 1.70(17) min | α | 226U | 0+ | ||
β+ (不常見) | 230Np | ||||||||
231Pu | 94 | 137 | 231.041101(28) | 8.6(5) min | β+ | 231Np | 3/2+# | ||
α (不常見) | 227U | ||||||||
232Pu | 94 | 138 | 232.041187(19) | 33.7(5) min | ε (89%) | 232Np | 0+ | ||
α (11%) | 228U | ||||||||
233Pu | 94 | 139 | 233.04300(5) | 20.9(4) min | β+ (99.88%) | 233Np | 5/2+# | ||
α (.12%) | 229U | ||||||||
234Pu | 94 | 140 | 234.043317(7) | 8.8(1) h | ε (94%) | 234Np | 0+ | ||
α (6%) | 230U | ||||||||
235Pu | 94 | 141 | 235.045286(22) | 25.3(5) min | β+ (99.99%) | 235Np | (5/2+) | ||
α (.0027%) | 231U | ||||||||
236Pu | 94 | 142 | 236.0460580(24) | 2.858(8) y | α | 232U | 0+ | ||
SF (1.37×10−7%) | (various) | ||||||||
CD (2×10−12%) | 208Pb 28Mg | ||||||||
β+β+ (不常見) | 236U | ||||||||
237Pu | 94 | 143 | 237.0484097(24) | 45.2(1) d | ε | 237Np | 7/2− | ||
α (.0042%) | 233U | ||||||||
237m1Pu | 145.544(10)2 keV | 180(20) ms | IT | 237Pu | 1/2+ | ||||
237m2Pu | 2900(250) keV | 1.1(1) µs | |||||||
238 Pu |
94 | 144 | 238.0495599(20) | 87.7(1) y | α | 234U | 0+ | ||
SF (1.9×10−7%) | (various) | ||||||||
CD (1.4×10−14%) | 206Hg 32Si | ||||||||
CD (6×10−15%) | 180Yb 30Mg 28Mg | ||||||||
239 Pu[n 3][n 4] |
94 | 145 | 239.0521634(20) | 2.411(3)×104 y | α | 235U | 1/2+ | ||
SF (3.1×10−10%) | (various) | ||||||||
239m1Pu | 391.584(3) keV | 193(4) ns | 7/2− | ||||||
239m2Pu | 3100(200) keV | 7.5(10) µs | (5/2+) | ||||||
240 Pu |
94 | 146 | 240.0538135(20) | 6,561(7) y | α | 236U | 0+ | ||
SF (5.7×10−6%) | (various) | ||||||||
CD (1.3×10−13%) | 206Hg 34Si | ||||||||
241 Pu[n 3] |
94 | 147 | 241.0568515(20) | 14.290(6) y | β− (99.99%) | 241Am | 5/2+ | ||
α (.00245%) | 237U | ||||||||
SF (2.4×10−14%) | (various) | ||||||||
241m1Pu | 161.6(1) keV | 0.88(5) µs | 1/2+ | ||||||
241m2Pu | 2200(200) keV | 21(3) µs | |||||||
242 Pu |
94 | 148 | 242.0587426(20) | 3.75(2)×105 y | α | 238U | 0+ | ||
SF (5.5×10−4%) | (various) | ||||||||
243Pu[n 3] | 94 | 149 | 243.062003(3) | 4.956(3) h | β− | 243Am | 7/2+ | ||
243mPu | 383.6(4) keV | 330(30) ns | (1/2+) | ||||||
244 Pu[n 5] |
94 | 150 | 244.064204(5) | 8.00(9)×107 y | α (99.88%) | 240U | 0+ | Trace | |
SF (.123%) | (various) | ||||||||
β−β− (7.3×10−9%) | 244Cm | ||||||||
245Pu | 94 | 151 | 245.067747(15) | 10.5(1) h | β− | 245Am | (9/2−) | ||
246Pu | 94 | 152 | 246.070205(16) | 10.84(2) d | β− | 246mAm | 0+ | ||
247Pu | 94 | 153 | 247.07407(32)# | 2.27(23) d | β− | 247Am | 1/2+# |
備註:畫上#號的數據代表沒有經過實驗的證明,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 | → |
錼的同位素 | 鈽的同位素 | 鋂的同位素 |
註釋
- Abbreviations:
CD: Cluster decay
EC: Electron capture
IT: Isomeric transition
SF: Spontaneous fission - Bold for stable isotopes
- fissile nuclide
- Most useful isotope for nuclear weapons
- Primordial radionuclide
参考文獻
- Magurno, B. A.; Pearlstein, S. (编). (PDF) II. Upton: Brookhaven National Laboratory. 1981: pp. 835 ff. [August 6, 2014].
- . nucleonica. [2015-11-03]. (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.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.