鈦的同位素
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| 標準原子質量 (Ar, 標準) |
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鈦（原子量：47.867）共有28個同位素，其中有5個是穩定的。
圖表
[编辑]| 符號 | Z | N | 同位素質量（u） [n 1][n 2] |
半衰期 [n 1][n 2] |
衰變 方式[2] |
衰變 產物 [n 3] |
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] | |||||||||
| 38Ti | 22 | 16 | 38.00977(27)# | <120 ns | 2p | 36Ca | 0+ | ||
| 39Ti | 22 | 17 | 39.00161(22)# | 31(4) ms [31(+6-4) ms] |
β+, p (85%) | 38Ca | 3/2+# | ||
| β+ (15%) | 39Sc | ||||||||
| β+, 2p (<.1%) | 37K | ||||||||
| 40Ti | 22 | 18 | 39.99050(17) | 53.3(15) ms | β+ (56.99%) | 40Sc | 0+ | ||
| β+, p (43.01%) | 39Ca | ||||||||
| 41Ti | 22 | 19 | 40.98315(11)# | 80.4(9) ms | β+, p (>99.9%) | 40Ca | 3/2+ | ||
| β+ (<.1%) | 41Sc | ||||||||
| 42Ti | 22 | 20 | 41.973031(6) | 199(6) ms | β+ | 42Sc | 0+ | ||
| 43Ti | 22 | 21 | 42.968522(7) | 509(5) ms | β+ | 43Sc | 7/2− | ||
| 43m1Ti | 313.0(10) keV | 12.6(6) µs | (3/2+) | ||||||
| 43m2Ti | 3066.4(10) keV | 560(6) ns | (19/2−) | ||||||
| 44Ti | 22 | 22 | 43.9596901(8) | 60.0(11) y | ε | 44Sc | 0+ | ||
| 45Ti | 22 | 23 | 44.9581256(11) | 184.8(5) min | β+ | 45Sc | 7/2− | ||
| 46Ti | 22 | 24 | 45.9526316(9) | 稳定 | 0+ | 0.0825(3) | |||
| 47Ti | 22 | 25 | 46.9517631(9) | 穩定 | 5/2− | 0.0744(2) | |||
| 48 Ti |
22 | 26 | 47.9479463(9) | 穩定 | 0+ | 0.7372(3) | |||
| 49Ti | 22 | 27 | 48.9478700(9) | 穩定 | 7/2− | 0.0541(2) | |||
| 50Ti | 22 | 28 | 49.9447912(9) | 穩定 | 0+ | 0.0518(2) | |||
| 51Ti | 22 | 29 | 50.946615(1) | 5.76(1) min | β− | 51V | 3/2− | ||
| 52Ti | 22 | 30 | 51.946897(8) | 1.7(1) min | β− | 52V | 0+ | ||
| 53Ti | 22 | 31 | 52.94973(11) | 32.7(9) s | β− | 53V | (3/2)− | ||
| 54Ti | 22 | 32 | 53.95105(13) | 1.5(4) s | β− | 54V | 0+ | ||
| 55Ti | 22 | 33 | 54.95527(16) | 490(90) ms | β− | 55V | 3/2−# | ||
| 56Ti | 22 | 34 | 55.95820(21) | 164(24) ms | β− (>99.9%) | 56V | 0+ | ||
| β−, n (<.1%) | 55V | ||||||||
| 57Ti | 22 | 35 | 56.96399(49) | 60(16) ms | β− (>99.9%) | 57V | 5/2−# | ||
| β−, n (<.1%) | 56V | ||||||||
| 58Ti | 22 | 36 | 57.96697(75)# | 54(7) ms | β− | 58V | 0+ | ||
| 59Ti | 22 | 37 | 58.97293(75)# | 30(3) ms | β− | 59V | (5/2−)# | ||
| 60Ti | 22 | 38 | 59.97676(86)# | 22(2) ms | β− | 60V | 0+ | ||
| 61Ti | 22 | 39 | 60.98320(97)# | 10# ms [>300 ns] |
β− | 61V | 1/2−# | ||
| β−, n | 60V | ||||||||
| 62Ti | 22 | 40 | 61.98749(97)# | 10# ms | 0+ | ||||
| 63Ti | 22 | 41 | 62.99442(107)# | 3# ms | 1/2−# | ||||
| ← | 同位素列表 | → |
| 鈧的同位素 | 鈦的同位素 | 釩的同位素 |
参考文獻
[编辑]- ^ 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. [2015-09-12]. （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).
- 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.