鈮的同位素
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標準原子質量 (Ar, 標準) |
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鈮(原子量:92.90638(2))共有58個同位素,其中有1個同位素是穩定的。
圖表[編輯]
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 的變化量 (莫耳分率) |
---|---|---|---|---|---|---|---|---|---|
激發能量 | |||||||||
81 Nb |
41 | 40 | 80.94903(161)# | <44 ns | β+, p | 80Y | 3/2-# | ||
p | 80Zr | ||||||||
β+ | 81Zr | ||||||||
82Nb | 41 | 41 | 81.94313(32)# | 51(5) ms | β+ | 82Zr | 0+ | ||
83Nb | 41 | 42 | 82.93671(34) | 4.1(3) s | β+ | 83Zr | (5/2+) | ||
84Nb | 41 | 43 | 83.93357(32)# | 9.8(9) s | β+ (>99.9%) | 84Zr | 3+ | ||
β+, p (<.1%) | 83Y | ||||||||
84mNb | 338(10) keV | 103(19) ns | (5-) | ||||||
85Nb | 41 | 44 | 84.92791(24) | 20.9(7) s | β+ | 85Zr | (9/2+) | ||
85mNb | 759.0(10) keV | 12(5) s | (1/2-) | ||||||
86Nb | 41 | 45 | 85.92504(9) | 88(1) s | β+ | 86Zr | (6+) | ||
86mNb | 250(160)# keV | 56(8) s | β+ | 86Zr | high | ||||
87Nb | 41 | 46 | 86.92036(7) | 3.75(9) min | β+ | 87Zr | (1/2-) | ||
87mNb | 3.84(14) keV | 2.6(1) min | β+ | 87Zr | (9/2+)# | ||||
88Nb | 41 | 47 | 87.91833(11) | 14.55(6) min | β+ | 88Zr | (8+) | ||
88mNb | 40(140) keV | 7.8(1) min | β+ | 88Zr | (4-) | ||||
89Nb | 41 | 48 | 88.913418(29) | 2.03(7) h | β+ | 89Zr | (9/2+) | ||
89mNb | 0(30)# keV | 1.10(3) h | β+ | 89Zr | (1/2)- | ||||
90Nb | 41 | 49 | 89.911265(5) | 14.60(5) h | β+ | 90Zr | 8+ | ||
90m1Nb | 122.370(22) keV | 63(2) µs | 6+ | ||||||
90m2Nb | 124.67(25) keV | 18.81(6) s | IT | 90Nb | 4- | ||||
90m3Nb | 171.10(10) keV | <1 µs | 7+ | ||||||
90m4Nb | 382.01(25) keV | 6.19(8) ms | 1+ | ||||||
90m5Nb | 1880.21(20) keV | 472(13) ns | (11-) | ||||||
91Nb | 41 | 50 | 90.906996(4) | 680(130) a | ε (99.98%) | 91Zr | 9/2+ | ||
β+ (.013%) | 91Zr | ||||||||
91m1Nb | 104.60(5) keV | 60.86(22) d | IT (93%) | 91Nb | 1/2- | ||||
ε (7%) | 91Zr | ||||||||
β+ (.0028%) | 91Zr | ||||||||
91m2Nb | 2034.35(19) keV | 3.76(12) µs | (17/2-) | ||||||
92Nb | 41 | 51 | 91.907194(3) | 3.47(24)×107 a | β+ (99.95%) | 92Zr | (7)+ | ||
β− (.05%) | 92Mo | ||||||||
92m1Nb | 135.5(4) keV | 10.15(2) d | β+ | 92Zr | (2)+ | ||||
92m2Nb | 225.7(4) keV | 5.9(2) µs | (2)- | ||||||
92m3Nb | 2203.3(4) keV | 167(4) ns | (11-) | ||||||
93 Nb |
41 | 52 | 92.9063781(26) | 穩定 | 9/2+ | 1.0000 | |||
93mNb | 30.77(2) keV | 16.13(14) a | IT | 93Nb | 1/2- | ||||
94Nb | 41 | 53 | 93.9072839(26) | 2.03(16)×104 a | β− | 94Mo | (6)+ | ||
94mNb | 40.902(12) keV | 6.263(4) min | IT (99.5%) | 94Nb | 3+ | ||||
β− (.5%) | 94Mo | ||||||||
95Nb | 41 | 54 | 94.9068358(21) | 34.991(6) d | β− | 95Mo | 9/2+ | ||
95mNb | 235.690(20) keV | 3.61(3) d | IT (94.4%) | 95Nb | 1/2- | ||||
β− (5.6%) | 95Mo | ||||||||
96Nb | 41 | 55 | 95.908101(4) | 23.35(5) h | β− | 96Mo | 6+ | ||
97Nb | 41 | 56 | 96.9080986(27) | 72.1(7) min | β− | 97Mo | 9/2+ | ||
97mNb | 743.35(3) keV | 52.7(18) s | IT | 97Nb | 1/2- | ||||
98Nb | 41 | 57 | 97.910328(6) | 2.86(6) s | β− | 98Mo | 1+ | ||
98mNb | 84(4) keV | 51.3(4) min | β− (99.9%) | 98Mo | (5+) | ||||
IT (.1%) | 98Nb | ||||||||
99Nb | 41 | 58 | 98.911618(14) | 15.0(2) s | β− | 99Mo | 9/2+ | ||
99mNb | 365.29(14) keV | 2.6(2) min | β− (96.2%) | 99Mo | 1/2- | ||||
IT (3.8%) | 99Nb | ||||||||
100Nb | 41 | 59 | 99.914182(28) | 1.5(2) s | β− | 100Mo | 1+ | ||
100mNb | 470(40) keV | 2.99(11) s | β− | 100Mo | (4+,5+) | ||||
101Nb | 41 | 60 | 100.915252(20) | 7.1(3) s | β− | 101Mo | (5/2#)+ | ||
102Nb | 41 | 61 | 101.91804(4) | 1.3(2) s | β− | 102Mo | 1+ | ||
102mNb | 130(50) keV | 4.3(4) s | β− | 102Mo | high | ||||
103Nb | 41 | 62 | 102.91914(7) | 1.5(2) s | β− | 103Mo | (5/2+) | ||
104Nb | 41 | 63 | 103.92246(11) | 4.9(3) s | β− (99.94%) | 104Mo | (1+) | ||
β−, n (.06%) | 103Mo | ||||||||
104mNb | 220(120) keV | 940(40) ms | β− (99.95%) | 104Mo | high | ||||
β−, n (.05%) | 103Mo | ||||||||
105Nb | 41 | 64 | 104.92394(11) | 2.95(6) s | β− (98.3%) | 105Mo | (5/2+)# | ||
β−, n (1.7%) | 104Mo | ||||||||
106Nb | 41 | 65 | 105.92797(21)# | 920(40) ms | β− (95.5%) | 106Mo | 2+# | ||
β−, n (4.5%) | 105Mo | ||||||||
107Nb | 41 | 66 | 106.93031(43)# | 300(9) ms | β− (94%) | 107Mo | 5/2+# | ||
β−, n (6%) | 106Mo | ||||||||
108Nb | 41 | 67 | 107.93484(32)# | 0.193(17) s | β− (93.8%) | 108Mo | (2+) | ||
β−, n (6.2%) | 107Mo | ||||||||
109Nb | 41 | 68 | 108.93763(54)# | 190(30) ms | β− (69%) | 109Mo | 5/2+# | ||
β−, n (69%) | 108Mo | ||||||||
110Nb | 41 | 69 | 109.94244(54)# | 170(20) ms | β− (60%) | 110Mo | 2+# | ||
β−, n (40%) | 109Mo | ||||||||
111Nb | 41 | 70 | 110.94565(54)# | 80# ms [>300 ns] | 5/2+# | ||||
112Nb | 41 | 71 | 111.95083(75)# | 60# ms [>300 ns] | 2+# | ||||
113Nb | 41 | 72 | 112.95470(86)# | 30# ms [>300 ns] | 5/2+# | ||||
114Nb[3] | 41 | 73 | |||||||
115Nb[3] | 41 | 74 | |||||||
116Nb[4] | 41 | 75 | |||||||
117Nb[5] | 41 | 76 |
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 | → |
鋯的同位素 | 鈮的同位素 | 鉬的同位素 |
註釋[編輯]
- ^ Abbreviations:
ε: Electron capture
IT: Isomeric transition - ^ Bold for stable isotopes, bold italic for near-stable isotopes (half-life longer than the age of the universe)
參考文獻[編輯]
- ^ 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.
- ^ 存档副本. [2015-09-15]. (原始內容存檔於2017-02-19).
- ^ 3.0 3.1 Ohnishi, Tetsuya; Kubo, Toshiyuki; Kusaka, Kensuke; et al. Identification of 45 New Neutron-Rich Isotopes Produced by In-Flight Fission of a 238U Beam at 345 MeV/nucleon. J. Phys. Soc. Jpn. (Physical Society of Japan). 2010, 79 (7): 073201. Bibcode:2010JPSJ...79g3201T. arXiv:1006.0305 . doi:10.1143/JPSJ.79.073201 .
- ^ Shimizu, Yohei; et al. Observation of New Neutron-rich Isotopes among Fission Fragments from In-flight Fission of 345MeV=nucleon 238U: Search for New Isotopes Conducted Concurrently with Decay Measurement Campaigns. Journal of the Physical Society of Japan. 2018, 87 (1): 014203. Bibcode:2018JPSJ...87a4203S. doi:10.7566/JPSJ.87.014203 .
- ^ Sumikama, T.; et al. Observation of new neutron-rich isotopes in the vicinity of Zr110. Physical Review C. 2021, 103 (1): 014614. Bibcode:2021PhRvC.103a4614S. S2CID 234019083. doi:10.1103/PhysRevC.103.014614. hdl:10261/260248 .
- 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) (頁面存檔備份,存於網際網路檔案館). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005) (頁面存檔備份,存於網際網路檔案館).
- 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 (頁面存檔備份,存於網際網路檔案館), Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (頁面存檔備份,存於網際網路檔案館) (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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