钪的同位素
钪（原子量：44.955907(4)）共有37个同位素，其中有1个是稳定的。
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| 标准原子质量 (Ar, 标准) |
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图表 编辑
| 符号 | Z（ p ） |
N（ n ） |
同位素质量（u） | 半衰期 | 衰变 方式[2] |
衰变 产物[n 1] |
原子核 自旋 |
相对丰度 （莫耳分率） |
相对丰度的变化量 （莫耳分率） |
|---|---|---|---|---|---|---|---|---|---|
| 激发能量 | |||||||||
| 39Sc | 21 | 18 | 38.984790(26) | <300 ns | p | 38Ca | (7/2−)# | ||
| 40Sc | 21 | 19 | 39.977967(3) | 182.3(7) ms | β+ (99.54%) | 40Ca | 4- | ||
| β+, p (.44%) | 39K | ||||||||
| β+, α (.017%) | 36Ar | ||||||||
| 41Sc | 21 | 20 | 40.96925113(24) | 596.3(17) ms | β+ | 41Ca | 7/2− | ||
| 42Sc | 21 | 21 | 41.96551643(29) | 681.3(7) ms | β+ | 42Ca | 0+ | ||
| 42mSc | 616.28(6) keV | 61.7(4) s | β+ | 42Ca | (7,5,6)+ | ||||
| 43Sc | 21 | 22 | 42.9611507(20) | 3.891(12) h | β+ | 43Ca | 7/2− | ||
| 43m1Sc | 151.4(2) keV | 438(7) µs | 3/2+ | ||||||
| 43m2Sc | 3123.2(3) keV | 470(4) ns | (19/2)− | ||||||
| 44 Sc |
21 | 23 | 43.9594028(19) | 3.97(4) h | β+ | 44Ca | 2+ | ||
| 44m1Sc | 67.8680(14) keV | 154.2(8) ns | 1− | ||||||
| 44m2Sc | 270.95(20) keV | 58.61(10) h | IT (98.8%) | 44Sc | 6+ | ||||
| β+ (1.2%) | 44Ca | ||||||||
| 44m3Sc | 146.224(22) keV | 50.4(7) µs | 0- | ||||||
| 45 Sc |
21 | 24 | 44.9559119(9) | 稳定 | 7/2− | 1.0000 | |||
| 45mSc | 12.40(5) keV | 318(7) ms | IT | 45Sc | 3/2+ | ||||
| 46Sc | 21 | 25 | 45.9551719(9) | 83.79(4) d | β− | 46Ti | 4+ | ||
| 46m1Sc | 52.011(1) keV | 9.4(8) µs | 6+ | ||||||
| 46m2Sc | 142.528(7) keV | 18.75(4) s | IT | 46Sc | 1− | ||||
| 47Sc | 21 | 26 | 46.9524075(22) | 3.3492(6) d | β− | 47Ti | 7/2− | ||
| 47mSc | 766.83(9) keV | 272(8) ns | (3/2)+ | ||||||
| 48Sc | 21 | 27 | 47.952231(6) | 43.67(9) h | β− | 48Ti | 6+ | ||
| 49Sc | 21 | 28 | 48.950024(4) | 57.2(2) min | β− | 49Ti | 7/2− | ||
| 50Sc | 21 | 29 | 49.952188(17) | 102.5(5) s | β− | 50Ti | 5+ | ||
| 50mSc | 256.895(10) keV | 350(40) ms | IT (97.5%) | 50Sc | 2+,3+ | ||||
| β− (2.5%) | 50Ti | ||||||||
| 51Sc | 21 | 30 | 50.953603(22) | 12.4(1) s | β− | 51Ti | (7/2)− | ||
| 52Sc | 21 | 31 | 51.95668(21) | 8.2(2) s | β− | 52Ti | 3(+) | ||
| 53Sc | 21 | 32 | 52.95961(32)# | >3 s | β− (>99.9%) | 53Ti | (7/2−)# | ||
| β−, n (<.1%) | 52Ti | ||||||||
| 54Sc | 21 | 33 | 53.96326(40) | 260(30) ms | β− (>99.9%) | 54Ti | 3+# | ||
| β−, n (<.1%) | 53Ti | ||||||||
| 54mSc | 110(3) keV | 7(5) µs | (5+) | ||||||
| 55Sc | 21 | 34 | 54.96824(79) | 0.115(15) s | β− (>99.9%) | 55Ti | 7/2−# | ||
| β−, n (<.1%) | 54Ti | ||||||||
| 56Sc | 21 | 35 | 55.97287(75)# | 35(5) ms | β− | 56Ti | (1+) | ||
| 57Sc | 21 | 36 | 56.97779(75)# | 13(4) ms | β− | 57Ti | 7/2−# | ||
| 58Sc | 21 | 37 | 57.98371(86)# | 12(5) ms | β− | 58Ti | (3+)# | ||
| 59Sc | 21 | 38 | 58.98922(97)# | 10# ms | β−, n | 58Ti | 7/2−# | ||
| β− | 59Ti | ||||||||
| 60Sc | 21 | 39 | 59.99571(97)# | 3# ms | 3+# | ||||
| 61Sc | 21 | 40 | (60.99955348)# | ||||||
备注：画上#号的数据代表没有经过实验的证明，只是理论推测而已，而用括号括起来的代表数据不确定性。
| ← | 同位素列表 | → |
| 钙的同位素 | 钪的同位素 | 钛的同位素 |
注释 编辑
参考文献 编辑
- ^ 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. [2015-09-11]. （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.