鉑的同位素 - 维基百科,自由的百科全书
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標準原子質量 (Ar, 標準) |
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鉑(原子量:195.084(9))有5個稳定同位素以及1個天然放射性同位素190
Pt
。
圖表
[编辑]符號 | Z | N | 同位素質量(u) [n 1][n 2] | 半衰期 [n 2][n 3] | 衰變 方式[3] | 衰變 產物 [n 4][n 5] | 原子核 自旋[n 1] | 相對豐度 (莫耳分率)[n 2] | 相對豐度 的變化量 (莫耳分率) |
---|---|---|---|---|---|---|---|---|---|
激發能量[n 2] | |||||||||
165Pt[4] | 78 | 87 | +260 −90 µs 260 | α | 161Os | ||||
166Pt | 78 | 88 | 165.99486(54)# | +300 −60 µs 260[4] | α | 162Os | 0+ | ||
167Pt | 78 | 89 | 166.99298(44)# | 1.1(2) ms[4] | α | 163Os | 7/2−# | ||
168Pt | 78 | 90 | 167.98815(22) | 2.00(18) ms | α | 164Os | 0+ | ||
β+ (不常見) | 168Ir | ||||||||
169Pt | 78 | 91 | 168.98672(22)# | 3.7(15) ms | α | 165Os | 3/2−# | ||
β+ (不常見) | 169Ir | ||||||||
170Pt | 78 | 92 | 169.982495(20) | 14.0(2) ms | α (98%) | 166Os | 0+ | ||
β+ (2%) | 170Ir | ||||||||
171Pt | 78 | 93 | 170.98124(9) | 51(2) ms | α (99%) | 167Os | 3/2−# | ||
β+ (1%) | 171Ir | ||||||||
172Pt | 78 | 94 | 171.977347(14) | 98.4(24) ms | α (77%) | 168Os | 0+ | ||
β+ (23%) | 172Ir | ||||||||
173Pt | 78 | 95 | 172.97644(6) | 365(7) ms | α (84%) | 169Os | 5/2−# | ||
β+ (16%) | 173Ir | ||||||||
174Pt | 78 | 96 | 173.972819(13) | 0.889(17) s | α (83%) | 170Os | 0+ | ||
β+ (17%) | 174Ir | ||||||||
175Pt | 78 | 97 | 174.972421(20) | 2.53(6) s | α (64%) | 171Os | 5/2−# | ||
β+ (36%) | 175Ir | ||||||||
176Pt | 78 | 98 | 175.968945(15) | 6.33(15) s | β+ (62%) | 176Ir | 0+ | ||
α (38%) | 172Os | ||||||||
177Pt | 78 | 99 | 176.968469(16) | 10.6(4) s | β+ (94.4%) | 177Ir | 5/2− | ||
α (5.6%) | 173Os | ||||||||
177mPt | 147.4(4) keV | 2.2(3) µs | 1/2− | ||||||
178Pt | 78 | 100 | 177.965649(12) | 21.1(6) s | β+ (92.3%) | 178Ir | 0+ | ||
α (7.7%) | 174Os | ||||||||
179Pt | 78 | 101 | 178.965363(10) | 21.2(4) s | β+ (99.76%) | 179Ir | 1/2− | ||
α (0.24%) | 175Os | ||||||||
180Pt | 78 | 102 | 179.963031(12) | 56(2) s | β+ (99.7%) | 180Ir | 0+ | ||
α (0.3%) | 176Os | ||||||||
181Pt | 78 | 103 | 180.963097(16) | 52.0(22) s | β+ (99.93%) | 181Ir | 1/2− | ||
α (0.074%) | 177Os | ||||||||
182Pt | 78 | 104 | 181.961171(17) | 2.2(1) min | β+ (99.96%) | 182Ir | 0+ | ||
α (.038%) | 178Os | ||||||||
183Pt | 78 | 105 | 182.961597(17) | 6.5(10) min | β+ (99.99%) | 183Ir | 1/2− | ||
α (.0096%) | 179Os | ||||||||
183m1Pt | 34.50(8) keV | 43(5) s | β+ (99.99%) | 183Ir | (7/2)− | ||||
α (4×10−4%) | 179Os | ||||||||
IT | 183Pt | ||||||||
183m2Pt | 195.68(11) keV | >150 ns | (9/2)+ | ||||||
184Pt | 78 | 106 | 183.959922(19) | 17.3(2) min | β+ (99.99%) | 184Ir | 0+ | ||
α (.00169%) | 180Os | ||||||||
184mPt | 1839.4(16) keV | 1.01(5) ms | IT | 184Pt | 8− | ||||
185Pt | 78 | 107 | 184.96062(4) | 70.9(24) min | β+ (99.99%) | 185Ir | (9/2+) | ||
α (.005%) | 181Os | ||||||||
185mPt | 103.4(2) keV | 33.0(8) min | β+ (98%) | 185Ir | (1/2−) | ||||
α (2%) | 181Os | ||||||||
186Pt | 78 | 108 | 185.959351(23) | 2.08(5) h | β+ (99.99%) | 186Ir | 0+ | ||
α (1.4×10−4%) | 182Os | ||||||||
187Pt | 78 | 109 | 186.96059(3) | 2.35(3) h | β+ | 187Ir | 3/2− | ||
188Pt | 78 | 110 | 187.959395(6) | 10.2(3) d | ε (99.99%) | 188Ir | 0+ | ||
α (2.6×10−5%) | 184Os | ||||||||
189Pt | 78 | 111 | 188.960834(12) | 10.87(12) h | β+ | 189Ir | 3/2− | ||
189m1Pt | 172.80(6) keV | 464(25) ns | 9/2− | ||||||
189m2Pt | 191.6(4) keV | 143(5) µs | (13/2+) | ||||||
190Pt | 78 | 112 | 189.959932(6) | 4.97(16)×1011 y | α | 186Os | 0+ | 1.4(1)×10−4 | |
191Pt | 78 | 113 | 190.961677(5) | 2.862(7) d | ε | 191Ir | 3/2− | ||
191m1Pt | 100.67(2) keV | >1 µs | (9/2)− | ||||||
191m2Pt | 149.04(2) keV | 95(5) µs | (13/2)+ | ||||||
192Pt | 78 | 114 | 191.9610380(27) | 觀測上穩定[n 6] | 0+ | 0.00782(7) | |||
193Pt | 78 | 115 | 192.9629874(18) | 50(6) y | ε | 193Ir | 1/2− | ||
193mPt | 149.78(4) keV | 4.33(3) d | IT | 193Pt | 13/2+ | ||||
194Pt | 78 | 116 | 193.9626803(9) | 觀測上穩定[n 7] | 0+ | 0.32967(99) | |||
195Pt | 78 | 117 | 194.9647911(9) | 觀測上穩定[n 8] | 1/2− | 0.33832(10) | |||
195mPt | 259.30(8) keV | 4.010(5) d | IT | 195Pt | 13/2+ | ||||
196Pt | 78 | 118 | 195.9649515(9) | 觀測上穩定[n 9] | 0+ | 0.25242(41) | |||
197Pt | 78 | 119 | 196.9673402(9) | 19.8915(19) h | β− | 197Au | 1/2− | ||
197mPt | 399.59(20) keV | 95.41(18) min | IT (96.7%) | 197Pt | 13/2+ | ||||
β− (3.3%) | 197Au | ||||||||
198Pt | 78 | 120 | 197.967893(3) | 觀測上穩定[n 10] | 0+ | 0.07163(55) | |||
199Pt | 78 | 121 | 198.970593(3) | 30.80(21) min | β− | 199Au | 5/2− | ||
199mPt | 424(2) keV | 13.6(4) s | IT | 199Pt | (13/2)+ | ||||
200Pt | 78 | 122 | 199.971441(22) | 12.5(3) h | β− | 200Au | 0+ | ||
201Pt | 78 | 123 | 200.97451(5) | 2.5(1) min | β− | 201Au | (5/2−) | ||
202Pt | 78 | 124 | 201.97574(32)# | 44(15) h | β− | 202Au | 0+ |
- ^ 1.0 1.1 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 2.3 用括號括起來的數據代表不確定性。
- ^ 半衰期超过5亿年的同位素以粗體表示。
- ^ 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。
- ^ Believed to undergo α decay to 188Os with a half-life over 470×1015 years
- ^ Believed to undergo α decay to 190Os
- ^ Believed to undergo α decay to 191Os
- ^ Believed to undergo α decay to 192Os
- ^ Believed to undergo α decay to 194Os or double β− decay to 198Hg with a half-life over 320×1012 years
← | 同位素列表 | → |
銥的同位素 | 鉑的同位素 | 金的同位素 |
参考文獻
[编辑]- ^ Braun, Mihály; Georgiev, Yordan M.; Schönherr, Tommy; Wilsenach, Heinrich; Zuber, Kai. A new precision measurement of the α -decay half-life of 190 Pt. Physics Letters B (Elsevier BV). 2017, 768: 317–320. ISSN 0370-2693. doi:10.1016/j.physletb.2017.02.052.
- ^ 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. [2015-10-06]. (原始内容存档于2017-02-19).
- ^ 4.0 4.1 4.2 Hilton, J.; et al. α-spectroscopy studies of the new nuclides 165Pt and 170Hg (PDF). Physical Review C. 2019, 100 (1): 014305 [2023-06-18]. S2CID 199118719. doi:10.1103/PhysRevC.100.014305. (原始内容存档 (PDF)于2022-09-10).
- 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.
元素與同位素的穩定度 | |||||||||||||||||||||||||||||||||
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