リンの同位体(リンのどういたい)には、何種類かがあるが、そのうち31Pのみが安定である。
リンの放射性同位体には次のようなものがある。
- 33Pは25.4日の半減期でβ崩壊を起こす(0.25MeV)。β線のエネルギーが低いため、DNAシーケンス等の実験に用いられる。
一覧
| 同位体核種 |
Z(p) |
N(n) |
同位体質量 (u) |
半減期 |
核スピン数 |
天然存在比 |
| 励起エネルギー |
| 24P |
15 |
9 |
24.03435(54)# |
|
(1+)# |
|
| 25P |
15 |
10 |
25.02026(21)# |
<30 ns |
(1/2+)# |
|
| 26P |
15 |
11 |
26.01178(21)# |
43.7(6) ms |
(3+) |
|
| 27P |
15 |
12 |
26.999230(28) |
260(80) ms |
1/2+ |
|
| 28P |
15 |
13 |
27.992315(4) |
270.3(5) ms |
3+ |
|
| 29P |
15 |
14 |
28.9818006(6) |
4.142(15) s |
1/2+ |
|
| 30P |
15 |
15 |
29.9783138(3) |
2.498(4) min |
1+ |
|
| 31P |
15 |
16 |
30.97376163(20) |
STABLE |
1/2+ |
1.0000 |
| 32P |
15 |
17 |
31.97390727(20) |
14.263(3) d |
1+ |
|
| 33P |
15 |
18 |
32.9717255(12) |
25.34(12) d |
1/2+ |
|
| 34P |
15 |
19 |
33.973636(5) |
12.43(8) s |
1+ |
|
| 35P |
15 |
20 |
34.9733141(20) |
47.3(7) s |
1/2+ |
|
| 36P |
15 |
21 |
35.978260(14) |
5.6(3) s |
4-# |
|
| 37P |
15 |
22 |
36.97961(4) |
2.31(13) s |
1/2+# |
|
| 38P |
15 |
23 |
37.98416(11) |
0.64(14) s |
|
|
| 39P |
15 |
24 |
38.98618(11) |
190(50) ms |
1/2+# |
|
| 40P |
15 |
25 |
39.99130(15) |
153(8) ms |
(2-,3-) |
|
| 41P |
15 |
26 |
40.99434(23) |
100(5) ms |
1/2+# |
|
| 42P |
15 |
27 |
42.00101(48) |
48.5(15) ms |
|
|
| 43P |
15 |
28 |
43.00619(104) |
36.5(15) ms |
1/2+# |
|
| 44P |
15 |
29 |
44.01299(75)# |
18.5(25) ms |
|
|
| 45P |
15 |
30 |
45.01922(86)# |
8# ms [>200 ns] |
1/2+# |
|
| 46P |
15 |
31 |
46.02738(97)# |
4# ms [>200 ns] |
|
|
参考文献
- 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). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005).
- 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, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (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.