鈷有40個同位素,得59Co(鈷-59)一個係穩定嘅。
符號
|
Z(p)
|
N(n)
|
質量(u)
|
半衰期
|
原子核自旋
|
相對豐度
|
相對豐度嘅變化率
|
---|
激發能量
|
---|
47Co
|
27
|
20
|
47.01149(54)#
|
|
7/2-#
|
|
|
48Co
|
27
|
21
|
48.00176(43)#
|
|
6+#
|
|
|
49Co
|
27
|
22
|
48.98972(28)#
|
<35 ns
|
7/2-#
|
|
|
50Co
|
27
|
23
|
49.98154(18)#
|
44(4) ms
|
(6+)
|
|
|
51Co
|
27
|
24
|
50.97072(16)#
|
60# ms [>200 ns]
|
7/2-#
|
|
|
52Co
|
27
|
25
|
51.96359(7)#
|
115(23) ms
|
(6+)
|
|
|
52mCo
|
380(100)# keV
|
104(11)# ms
|
2+#
|
|
|
53Co
|
27
|
26
|
52.954219(19)
|
242(8) ms
|
7/2-#
|
|
|
53mCo
|
3197(29) keV
|
247(12) ms
|
(19/2-)
|
|
|
54Co
|
27
|
27
|
53.9484596(8)
|
193.28(7) ms
|
0+
|
|
|
54mCo
|
197.4(5) keV
|
1.48(2) min
|
(7)+
|
|
|
55Co
|
27
|
28
|
54.9419990(8)
|
17.53(3) h
|
7/2-
|
|
|
56Co
|
27
|
29
|
55.9398393(23)
|
77.233(27) d
|
4+
|
|
|
57Co
|
27
|
30
|
56.9362914(8)
|
271.74(6) d
|
7/2-
|
|
|
58Co
|
27
|
31
|
57.9357528(13)
|
70.86(6) d
|
2+
|
|
|
58m1Co
|
24.95(6) keV
|
9.04(11) h
|
5+
|
|
|
58m2Co
|
53.15(7) keV
|
10.4(3) µs
|
4+
|
|
|
59Co
|
27
|
32
|
58.9331950(7)
|
穩定
|
7/2-
|
1.0000
|
|
60Co
|
27
|
33
|
59.9338171(7)
|
5.2713(8) a
|
5+
|
|
|
60mCo
|
58.59(1) keV
|
10.467(6) min
|
2+
|
|
|
61Co
|
27
|
34
|
60.9324758(10)
|
1.650(5) h
|
7/2-
|
|
|
62Co
|
27
|
35
|
61.934051(21)
|
1.50(4) min
|
2+
|
|
|
62mCo
|
22(5) keV
|
13.91(5) min
|
5+
|
|
|
63Co
|
27
|
36
|
62.933612(21)
|
26.9(4) s
|
7/2-
|
|
|
64Co
|
27
|
37
|
63.935810(21)
|
0.30(3) s
|
1+
|
|
|
65Co
|
27
|
38
|
64.936478(14)
|
1.20(6) s
|
(7/2)-
|
|
|
66Co
|
27
|
39
|
65.93976(27)
|
0.18(1) s
|
(3+)
|
|
|
66m1Co
|
175(3) keV
|
1.21(1) µs
|
(5+)
|
|
|
66m2Co
|
642(5) keV
|
>100 µs
|
(8-)
|
|
|
67Co
|
27
|
40
|
66.94089(34)
|
0.425(20) s
|
(7/2-)#
|
|
|
68Co
|
27
|
41
|
67.94487(34)
|
0.199(21) s
|
(7-)
|
|
|
68mCo
|
150(150)# keV
|
1.6(3) s
|
(3+)
|
|
|
69Co
|
27
|
42
|
68.94632(36)
|
227(13) ms
|
7/2-#
|
|
|
70Co
|
27
|
43
|
69.9510(9)
|
119(6) ms
|
(6-)
|
|
|
70mCo
|
200(200)# keV
|
500(180) ms
|
(3+)
|
|
|
71Co
|
27
|
44
|
70.9529(9)
|
97(2) ms
|
7/2-#
|
|
|
72Co
|
27
|
45
|
71.95781(64)#
|
62(3) ms
|
(6-,7-)
|
|
|
73Co
|
27
|
46
|
72.96024(75)#
|
41(4) ms
|
7/2-#
|
|
|
74Co
|
27
|
47
|
73.96538(86)#
|
50# ms [>300 ns]
|
0+
|
|
|
75Co
|
27
|
48
|
74.96833(86)#
|
40# ms [>300 ns]
|
7/2-#
|
|
|
備註:有#號嘅數據代表冇經過實驗嘅證明,只係理論推測,而用咗括號括係代表數據唔確定。
- 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.