鐿的同位素

主要的鐿同位素
同位素 衰變
丰度 半衰期 (t1/2) 類型 產物
166Yb syn 56.7 小時 ε 166Tm
168Yb 0.126% 穩定
169Yb syn 32.026  ε 169Tm
170Yb 3.023% 穩定
171Yb 14.216% 穩定
172Yb 21.754% 穩定
173Yb 16.098% 穩定
174Yb 31.896% 穩定
175Yb syn 4.185  β 175Lu
176Yb 12.887% 穩定
177Yb syn 1.911 小時 β 177Lu
標準原子質量 (Ar, 標準)
←Tm69 Lu71

原子量:173.04(3))的同位素,其中有7個同位素是在觀測上穩定的。

圖表

符號 Z(p N(n 同位素質量(u 半衰期[n 1] 衰變
方式
[3][n 2]
衰變
產物
[n 3]
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
148Yb 70 78 147.96742(64)# 250# ms β+ 148Tm 0+
149Yb 70 79 148.96404(54)# 0.7(2) s β+ 149Tm (1/2+,3/2+)
150Yb 70 80 149.95842(43)# 700# ms [>200 ns] β+ 150Tm 0+
151Yb 70 81 150.95540(32) 1.6(5) s β+ 151Tm (1/2+)
β+, p (不常見) 150Er
151m1Yb 750(100)# keV 1.6(5) s β+ 151Tm (11/2-)
β+, p (不常見) 150Er
151m2Yb 1790(500)# keV 2.6(7) µs 19/2-#
151m3Yb 2450(500)# keV 20(1) µs 27/2-#
152Yb 70 82 151.95029(22) 3.04(6) s β+ 152Tm 0+
β+, p (不常見) 151Er
153Yb 70 83 152.94948(21)# 4.2(2) s α (50%) 149Er 7/2-#
β+ (50%) 153Tm
β+, p (.008%) 152Er
153mYb 2700(100) keV 15(1) µs (27/2-)
154Yb 70 84 153.946394(19) 0.409(2) s α (92.8%) 150Er 0+
β+ (7.119%) 154Tm
155Yb 70 85 154.945782(18) 1.793(19) s α (89%) 151Er (7/2-)
β+ (11%) 155Tm
156Yb 70 86 155.942818(12) 26.1(7) s β+ (90%) 156Tm 0+
α (10%) 152Er
157Yb 70 87 156.942628(11) 38.6(10) s β+ (99.5%) 157Tm 7/2-
α (.5%) 153Er
158Yb 70 88 157.939866(9) 1.49(13) min β+ (99.99%) 158Tm 0+
α (.0021%) 154Er
159Yb 70 89 158.94005(2) 1.67(9) min β+ 159Tm 5/2(-)
160Yb 70 90 159.937552(18) 4.8(2) min β+ 160Tm 0+
161Yb 70 91 160.937902(17) 4.2(2) min β+ 161Tm 3/2-
162Yb 70 92 161.935768(17) 18.87(19) min β+ 162Tm 0+
163Yb 70 93 162.936334(17) 11.05(25) min β+ 163Tm 3/2-
164Yb 70 94 163.934489(17) 75.8(17) min ε 164Tm 0+
165Yb 70 95 164.93528(3) 9.9(3) min β+ 165Tm 5/2-
166Yb 70 96 165.933882(9) 56.7(1) h ε 166Tm 0+
167Yb 70 97 166.934950(5) 17.5(2) min β+ 167Tm 5/2-
168Yb 70 98 167.933897(5) 觀測上穩定[n 4] 0+ 0.0013(1)
169Yb 70 99 168.935190(5) 32.026(5) d ε 169Tm 7/2+
169mYb 24.199(3) keV 46(2) s IT 169Yb 1/2-
170Yb 70 100 169.9347618(26) 觀測上穩定[n 5] 0+ 0.0304(15)
170mYb 1258.46(14) keV 370(15) ns 4-
171Yb 70 101 170.9363258(26) 觀測上穩定[n 6] 1/2- 0.1428(57)
171m1Yb 95.282(2) keV 5.25(24) ms IT 171Yb 7/2+
171m2Yb 122.416(2) keV 265(20) ns 5/2-
172Yb 70 102 171.9363815(26) 觀測上穩定[n 7] 0+ 0.2183(67)
173Yb 70 103 172.9382108(26) 觀測上穩定[n 8] 5/2- 0.1613(27)
173mYb 398.9(5) keV 2.9(1) µs 1/2-
174Yb 70 104 173.9388621(26) 觀測上穩定[n 9] 0+ 0.3183(92)
175Yb 70 105 174.9412765(26) 4.185(1) d β 175Lu 7/2-
175mYb 514.865(4) keV 68.2(3) ms 1/2-
176Yb 70 106 175.9425717(28) 觀測上穩定[n 10] 0+ 0.1276(41)
176mYb 1050.0(3) keV 11.4(3) s (8)-
177Yb 70 107 176.9452608(28) 1.911(3) h β 177Lu (9/2+)
177mYb 331.5(3) keV 6.41(2) s IT 177Yb (1/2-)
178Yb 70 108 177.946647(11) 74(3) min β 178Lu 0+
179Yb 70 109 178.95017(32)# 8.0(4) min β 179Lu (1/2-)
180Yb 70 110 179.95233(43)# 2.4(5) min β 180Lu 0+
181Yb 70 111 180.95615(43)# 1# min β 181Lu 3/2-#
182Yb[n 11] 70 112

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
銩的同位素 鐿的同位素 鎦的同位素

註釋

  1. Bold for isotopes with half-lives longer than the age of the universe (nearly stable)
  2. Abbreviations:
    ε: Electron capture
    IT: Isomeric transition
  3. Bold for stable isotopes, bold italics for nearly stable isotopes (half-life longer than the age of the universe)
  4. Believed to undergo α decay to 164Er or β+β+ decay to 168Er with a half-life over 130×1012 years
  5. Believed to undergo α decay to 166Er
  6. Believed to undergo α decay to 167Er
  7. Believed to undergo α decay to 168Er
  8. Believed to undergo α decay to 169Er
  9. Believed to undergo α decay to 170Er
  10. Believed to undergo α decay to 172Er or ββ decay to 176Hf with a half-life over 160×1015 years
  11. Decay Product of Thorium-232

参考文獻

  1. . Commission on Isotopic Abundances and Atomic Weights. 12 October 2015 [18 February 2017].
  2. . Chemistry International: 26. October 2015. ISSN 0193-6484. doi:10.1515/ci-2015-0512. eISSN 0193-6484.
  3. http://www.nucleonica.net/unc.aspx
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