鎘的同位素
建議此條目或章節與鎘-113m合併。(討論) |
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標準原子質量 (Ar, 標準) |
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鎘(原子量:112.411(8))共有50個同位素,其中有6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][n 3] |
衰變 方式[2] |
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 1][n 2] | |||||||||
95Cd[3][4] | 48 | 47 | 94.94987(64)# | 5# ms | 9/2+# | ||||
96Cd[3][4] | 48 | 48 | 95.93977(54)# | 1# s | β+ | 96Ag | 0+ | ||
97Cd[3][4][5] | 48 | 49 | 96.93494(43)# | 2.8(6) s | β+ (>99.9%) | 97Ag | 9/2+# | ||
β+, p (<.1%) | 96Pd | ||||||||
98Cd | 48 | 50 | 97.92740(8) | 9.2(3) s | β+ (99.975%) | 98Ag | 0+ | ||
β+, p (.025%) | 97Ag | ||||||||
98mCd | 2427.5(6) keV | 190(20) ns | 8+# | ||||||
99Cd | 48 | 51 | 98.92501(22)# | 16(3) s | β+ (99.78%) | 99Ag | (5/2+) | ||
β+, p (.21%) | 98Pd | ||||||||
β+, α (10−4%) | 94Rh | ||||||||
100Cd | 48 | 52 | 99.92029(10) | 49.1(5) s | β+ | 100Ag | 0+ | ||
101Cd | 48 | 53 | 100.91868(16) | 1.36(5) min | β+ | 101Ag | (5/2+) | ||
102Cd | 48 | 54 | 101.91446(3) | 5.5(5) min | β+ | 102Ag | 0+ | ||
103Cd | 48 | 55 | 102.913419(17) | 7.3(1) min | β+ | 103Ag | 5/2+ | ||
104Cd | 48 | 56 | 103.909849(10) | 57.7(10) min | β+ | 104Ag | 0+ | ||
105Cd | 48 | 57 | 104.909468(12) | 55.5(4) min | β+ | 105Ag | 5/2+ | ||
106Cd | 48 | 58 | 105.906459(6) | 觀測上穩定[n 6] | 0+ | 0.0125(6) | |||
107Cd | 48 | 59 | 106.906618(6) | 6.50(2) h | β+ | 107mAg | 5/2+ | ||
108Cd | 48 | 60 | 107.904184(6) | 觀測上穩定[n 7] | 0+ | 0.0089(3) | |||
109Cd | 48 | 61 | 108.904982(4) | 461.4(12) d | ε | 109Ag | 5/2+ | ||
109m1Cd | 59.6(4) keV | 12(2) µs | 1/2+ | ||||||
109m2Cd | 463.0(5) keV | 10.9(5) µs | 11/2- | ||||||
110Cd | 48 | 62 | 109.9030021(29) | 穩定 | 0+ | 0.1249(18) | |||
111Cd[n 8] | 48 | 63 | 110.9041781(29) | 穩定 | 1/2+ | 0.1280(12) | |||
111mCd | 396.214(21) keV | 48.50(9) min | IT | 111Cd | 11/2- | ||||
112Cd[n 8] | 48 | 64 | 111.9027578(29) | 穩定 | 0+ | 0.2413(21) | |||
113Cd[n 8][n 9] | 48 | 65 | 112.9044017(29) | 8.04(5)×1015 a | β− | 113In | 1/2+ | 0.1222(12) | |
113mCd[n 8] | 263.54(3) keV | 14.1(5) a | β− (99.86%) | 113In | 11/2- | ||||
IT (.139%) | 113Cd | ||||||||
114 Cd [n 8] |
48 | 66 | 113.9033585(29) | 觀測上穩定[n 10] | 0+ | 0.2873(42) | |||
115Cd[n 8] | 48 | 67 | 114.9054310(29) | 53.46(5) h | β− | 115mIn | 1/2+ | ||
115mCd | 181.0(5) keV | 44.56(24) d | β− | 115mIn | (11/2)- | ||||
116Cd[n 8][n 9] | 48 | 68 | 115.904756(3) | 3.1(4)×1019 a | β−β− | 116Sn | 0+ | 0.0749(18) | |
117Cd | 48 | 69 | 116.907219(4) | 2.49(4) h | β− | 117mIn | 1/2+ | ||
117mCd | 136.4(2) keV | 3.36(5) h | β− | 117mIn | (11/2)- | ||||
118Cd | 48 | 70 | 117.906915(22) | 50.3(2) min | β− | 118In | 0+ | ||
119Cd | 48 | 71 | 118.90992(9) | 2.69(2) min | β− | 119mIn | (3/2+) | ||
119mCd | 146.54(11) keV | 2.20(2) min | β− | 119mIn | (11/2-)# | ||||
120Cd | 48 | 72 | 119.90985(2) | 50.80(21) s | β− | 120In | 0+ | ||
121Cd | 48 | 73 | 120.91298(9) | 13.5(3) s | β− | 121mIn | (3/2+) | ||
121mCd | 214.86(15) keV | 8.3(8) s | β− | 121mIn | (11/2-) | ||||
122Cd | 48 | 74 | 121.91333(5) | 5.24(3) s | β− | 122In | 0+ | ||
123Cd | 48 | 75 | 122.91700(4) | 2.10(2) s | β− | 123mIn | (3/2)+ | ||
123mCd | 316.52(23) keV | 1.82(3) s | β− | 123In | (11/2-) | ||||
IT | 23Cd | ||||||||
124Cd | 48 | 76 | 123.91765(7) | 1.25(2) s | β− | 124In | 0+ | ||
125Cd | 48 | 77 | 124.92125(7) | 0.65(2) s | β− | 125mIn | (3/2+)# | ||
125mCd | 50(70) keV | 570(90) ms | β− | 125In | 11/2-# | ||||
126Cd | 48 | 78 | 125.92235(6) | 0.515(17) s | β− | 126In | 0+ | ||
127Cd | 48 | 79 | 126.92644(8) | 0.37(7) s | β− | 127mIn | (3/2+) | ||
128Cd | 48 | 80 | 127.92776(32) | 0.28(4) s | β− | 128In | 0+ | ||
129Cd | 48 | 81 | 128.93215(32)# | 242(8) ms | β− (>99.9%) | 129In | 3/2+# | ||
IT (<.1%) | 129Cd | ||||||||
129mCd | 0(200)# keV | 104(6) ms | 11/2-# | ||||||
130Cd | 48 | 82 | 129.9339(3) | 162(7) ms | β− (96%) | 130In | 0+ | ||
β−, n (4%) | 129In | ||||||||
131Cd | 48 | 83 | 130.94067(32)# | 68(3) ms | 7/2-# | ||||
132Cd | 48 | 84 | 131.94555(54)# | 97(10) ms | 0+ |
- ^ 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 2.3 用括號括起來的數據代表不確定性。
- ^ 半衰期超過5億年的同位素以粗體表示。
- ^ 穩定的衰變產物以粗體表示。
- ^ 半衰期超過5億年的衰變產物以粗斜體表示。
- ^ 被認為會雙β衰變成106Pd,半衰期超過4.1×1020年
- ^ 被認為會雙β衰變成108Pd,半衰期超過4.1×1017年
- ^ 8.0 8.1 8.2 8.3 8.4 8.5 8.6 裂變產物
- ^ 9.0 9.1 原始放射性同位素
- ^ 被認為會雙β衰變成114Sn,半衰期超過6.4×1018年
← | 同位素列表 | → |
銀的同位素 | 鎘的同位素 | 銦的同位素 |
參考文獻
- ^ 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. [2015-09-17]. (原始內容存檔於2017-02-19).
- ^ 3.0 3.1 3.2 G. Audi, O. Bersillon, J. Blachot, A.H. 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).
- ^ 4.0 4.1 4.2 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, from the code of the popup boxes).
- ^ 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.
- 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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