鐠的同位素
(重定向自镨的同位素)
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標準原子質量 (Ar, 標準) |
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鐠(原子量:140.90766(1))的同位素,其中有1個同位素是穩定的。
圖表
符號 | Z | N | 同位素質量(u) [n 1][n 2] |
半衰期 [n 1][n 2] |
衰變 方式[2] |
衰變 產物 [n 3][n 4] |
原子核 自旋[n 1] |
相對豐度 (莫耳分率) |
---|---|---|---|---|---|---|---|---|
激發能量[n 1][n 2] | ||||||||
121Pr | 59 | 62 | 120.95536(75)# | 600(300) ms | p | 120Ce | (3/2-) | |
β+ (不常見) | 121Ce | |||||||
β+, p (不常見) | 120La | |||||||
122Pr | 59 | 63 | 121.95181(54)# | 500# ms | β+ | 122Ce | ||
123Pr | 59 | 64 | 122.94596(64)# | 800# ms | β+ | 123Ce | 3/2+# | |
124Pr | 59 | 65 | 123.94296(64)# | 1.2(2) s | β+ | 124Ce | ||
β+, p (不常見) | 123La | |||||||
125Pr | 59 | 66 | 124.93783(43)# | 3.3(7) s | β+ | 125Ce | 3/2+# | |
β+, p (不常見) | 124La | |||||||
126Pr | 59 | 67 | 125.93531(21)# | 3.12(18) s | β+ | 126Ce | (4,5,6) | |
β+, p (不常見) | 125La | |||||||
127Pr | 59 | 68 | 126.93083(21)# | 4.2(3) s | β+ | 127Ce | 3/2+# | |
127mPr | 600(200)# keV | 50# ms | 11/2- | |||||
128Pr | 59 | 69 | 127.92879(3) | 2.84(9) s | β+ | 128Ce | (3+) | |
β+, p (不常見) | 127La | |||||||
129Pr | 59 | 70 | 128.92510(3) | 32(3) s | β+ | 129Ce | (11/2-) | |
129mPr | 382.7(5) keV | 1# ms | β+ | 129Ce | (11/2-) | |||
130Pr | 59 | 71 | 129.92359(7) | 40.0(4) s | β+ | 130Ce | (6,7)(+#) | |
130mPr | 100(100)# keV | 10# s | 2+# | |||||
131Pr | 59 | 72 | 130.92026(6) | 1.50(3) min | β+ | 131Ce | (3/2+) | |
131mPr | 152.4(2) keV | 5.7(2) s | IT (96.4%) | 131Pr | (11/2-) | |||
β+ (3.59%) | 131Ce | |||||||
132Pr | 59 | 73 | 131.91926(6) | 1.49(11) min | β+ | 132Ce | (2+) | |
132mPr | 0(100)# keV | 20# s | β+ | 132Ce | (5+) | |||
133Pr | 59 | 74 | 132.916331(13) | 6.5(3) min | β+ | 133Ce | (3/2+) | |
133mPr | 192.05(14) keV | 1.1(2) µs | (11/2-) | |||||
134Pr | 59 | 75 | 133.91571(4) | ~11 min | β+ | 134Ce | (5-) | |
134mPr | 0(100)# keV | 17(2) min | β+ | 134Ce | 2- | |||
135Pr | 59 | 76 | 134.913112(13) | 24(2) min | β+ | 135Ce | 3/2(+) | |
135mPr | 358.06(6) keV | 105(10) µs | (11/2-) | |||||
136Pr | 59 | 77 | 135.912692(13) | 13.1(1) min | β+ | 136Ce | 2+ | |
137Pr | 59 | 78 | 136.910705(13) | 1.28(3) h | β+ | 137Ce | 5/2+ | |
137mPr | 561.22(23) keV | 2.66(7) µs | 11/2- | |||||
138Pr | 59 | 79 | 137.910755(15) | 1.45(5) min | β+ | 138Ce | 1+ | |
138mPr | 348(23) keV | 2.12(4) h | β+ | 138Ce | 7- | |||
139Pr | 59 | 80 | 138.908938(8) | 4.41(4) h | β+ | 139Ce | 5/2+ | |
140Pr | 59 | 81 | 139.909076(7) | 3.39(1) min | β+ | 140Ce | 1+ | |
140m1Pr | 127.5(3) keV | 0.35(2) µs | 5+ | |||||
140m2Pr | 763.3(7) keV | 3.05(20) µs | (8)- | |||||
141Pr[n 5] | 59 | 82 | 140.9076528(26) | 稳定 | 5/2+ | 1.0000 | ||
142Pr | 59 | 83 | 141.9100448(26) | 19.12(4) h | β− (99.98%) | 142Nd | 2- | |
ε (.0164%) | 142Ce | |||||||
142mPr | 3.694(3) keV | 14.6(5) min | IT | 142Pr | 5- | |||
143Pr[n 5] | 59 | 84 | 142.9108169(28) | 13.57(2) d | β− | 143Nd | 7/2+ | |
144Pr | 59 | 85 | 143.913305(4) | 17.28(5) min | β− | 144Nd | 0- | |
144mPr | 59.03(3) keV | 7.2(3) min | IT (99.93%) | 144Pr | 3- | |||
β− (.07%) | 144Nd | |||||||
145Pr | 59 | 86 | 144.914512(8) | 5.984(10) h | β− | 145Nd | 7/2+ | |
146Pr | 59 | 87 | 145.91764(7) | 24.15(18) min | β− | 146Nd | (2)- | |
147Pr | 59 | 88 | 146.918996(25) | 13.4(4) min | β− | 147Nd | (3/2+) | |
148Pr | 59 | 89 | 147.922135(28) | 2.29(2) min | β− | 148Nd | 1- | |
148mPr | 50(30)# keV | 2.01(7) min | β− | 148Nd | (4) | |||
149Pr | 59 | 90 | 148.92372(9) | 2.26(7) min | β− | 149Nd | (5/2+) | |
150Pr | 59 | 91 | 149.926673(28) | 6.19(16) s | β− | 150Nd | (1)- | |
151Pr | 59 | 92 | 150.928319(25) | 18.90(7) s | β− | 151Nd | (3/2)(-#) | |
152Pr | 59 | 93 | 151.93150(13) | 3.63(12) s | β− | 152Nd | 4+ | |
153Pr | 59 | 94 | 152.93384(11) | 4.28(11) s | β− | 153Nd | 5/2-# | |
154Pr | 59 | 95 | 153.93752(16) | 2.3(1) s | β− | 154Nd | (3+,2+) | |
155Pr | 59 | 96 | 154.94012(32)# | 1# s [>300 ns] | β− | 155Nd | 5/2-# | |
156Pr | 59 | 97 | 155.94427(43)# | 500# ms [>300 ns] | β− | 156Nd | ||
157Pr | 59 | 98 | 156.94743(43)# | 300# ms | β− | 157Nd | 5/2-# | |
158Pr | 59 | 99 | 157.95198(64)# | 200# ms | β− | 158Nd | ||
159Pr | 59 | 100 | 158.95550(75)# | 100# ms | β− | 159Nd | 5/2-# |
- ^ 1.0 1.1 1.2 1.3 畫上#號的數據代表沒有經過實驗的証明,僅為理論推測。
- ^ 2.0 2.1 2.2 用括號括起來的數據代表不確定性。
- ^ 穩定的衰變產物以粗體表示。
- ^ 半衰期超过5亿年的衰变产物以粗斜体表示。
- ^ 5.0 5.1 裂变产物
← | 同位素列表 | → |
鈰的同位素 | 鐠的同位素 | 釹的同位素 |
参考文獻
- ^ 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. [2015-09-19]. (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.
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