鋅（原子量：65.409(4) ）共有40個同位素，其中有5個是穩定的。
Quick Facts 同位素, 衰變 ...
主要的鋅同位素
| 同位素
|
衰變
|
|
|
豐度
|
半衰期 (t1/2)
|
方式
|
能量
（MeV）
|
產物
|
| 62Zn
|
人造
|
9.193 小時
|
β+
|
0.598
|
65Cu
|
| 64Zn
|
49.17%
|
穩定，帶34粒中子
|
| 65Zn
|
人造
|
243.94 天
|
β+
|
0.330
|
65Cu
|
| 66Zn
|
27.73%
|
穩定，帶36粒中子
|
| 67Zn
|
4.04%
|
穩定，帶37粒中子
|
| 68Zn
|
18.45%
|
穩定，帶38粒中子
|
| 70Zn
|
0.61%
|
穩定，帶40粒中子
| |
| 標準原子質量 (Ar, 標準) | |
|---|
|
|
|
Close
More information 符號, Z ...
| 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]
|
| 54Zn
|
30
|
24
|
53.99295(43)#
|
|
2p
|
52Ni
|
0+
|
|
|
| 55Zn
|
30
|
25
|
54.98398(27)#
|
20# ms [>1.6 µs]
|
2p
|
53Ni
|
5/2−#
|
|
|
| β+
|
55Cu
|
| 56Zn
|
30
|
26
|
55.97238(28)#
|
36(10) ms
|
β+
|
56Cu
|
0+
|
|
|
| 57Zn
|
30
|
27
|
56.96479(11)#
|
38(4) ms
|
β+, p (65%)
|
56Ni
|
7/2−#
|
|
|
| β+ (35%)
|
57Cu
|
| 58Zn
|
30
|
28
|
57.95459(5)
|
84(9) ms
|
β+, p (60%)
|
57Ni
|
0+
|
|
|
| β+ (40%)
|
58Cu
|
| 59Zn
|
30
|
29
|
58.94926(4)
|
182.0(18) ms
|
β+ (99%)
|
59Cu
|
3/2−
|
|
|
| β+, p (1%)
|
58Ni
|
| 60Zn[n 4]
|
30
|
30
|
59.941827(11)
|
2.38(5) min
|
β+
|
60Cu
|
0+
|
|
|
| 61Zn
|
30
|
31
|
60.939511(17)
|
89.1(2) s
|
β+
|
61Cu
|
3/2−
|
|
|
| 61m1Zn
|
88.4(1) keV
|
<430 ms
|
|
|
1/2−
|
|
|
| 61m2Zn
|
418.10(15) keV
|
140(70) ms
|
|
|
3/2−
|
|
|
| 61m3Zn
|
756.02(18) keV
|
<130 ms
|
|
|
5/2−
|
|
|
| 62Zn
|
30
|
32
|
61.934330(11)
|
9.186(13) h
|
β+
|
62Cu
|
0+
|
|
|
| 63Zn
|
30
|
33
|
62.9332116(17)
|
38.47(5) min
|
β+
|
63Cu
|
3/2−
|
|
|
| 64Zn
|
30
|
34
|
63.9291422(7)
|
觀測上穩定[n 5]
|
0+
|
0.4917(75)
|
|
| 65Zn
|
30
|
35
|
64.9292410(7)
|
243.66(9) d
|
β+
|
65Cu
|
5/2−
|
|
|
| 65mZn
|
53.928(10) keV
|
1.6(6) µs
|
|
|
(1/2)−
|
|
|
| 66Zn
|
30
|
36
|
65.9260334(10)
|
穩定
|
0+
|
0.2773(98)
|
|
| 67Zn
|
30
|
37
|
66.9271273(10)
|
穩定
|
5/2−
|
0.0404(16)
|
|
| 68Zn
|
30
|
38
|
67.9248442(10)
|
穩定
|
0+
|
0.1845(63)
|
|
| 69Zn
|
30
|
39
|
68.9265503(10)
|
56.4(9) min
|
β−
|
69Ga
|
1/2−
|
|
|
| 69mZn
|
438.636(18) keV
|
13.76(2) h
|
IT (96.7%)
|
69Zn
|
9/2+
|
|
|
| β− (3.3%)
|
69Ga
|
| 70Zn
|
30
|
40
|
69.9253193(21)
|
觀測上穩定[n 6]
|
0+
|
0.0061(10)
|
|
| 71Zn
|
30
|
41
|
70.927722(11)
|
2.45(10) min
|
β−
|
71Ga
|
1/2−
|
|
|
| 71mZn
|
157.7(13) keV
|
3.96(5) h
|
β− (99.95%)
|
71Ga
|
9/2+
|
|
|
| IT (.05%)
|
71Zn
|
| 72Zn
|
30
|
42
|
71.926858(7)
|
46.5(1) h
|
β−
|
72Ga
|
0+
|
|
|
| 73Zn
|
30
|
43
|
72.92978(4)
|
23.5(10) s
|
β−
|
73Ga
|
(1/2)−
|
|
|
| 73m1Zn
|
195.5(2) keV
|
13.0(2) ms
|
|
|
(5/2+)
|
|
|
| 73m2Zn
|
237.6(20) keV
|
5.8(8) s
|
β−
|
73Ga
|
(7/2+)
|
|
|
| IT
|
73Zn
|
| 74Zn
|
30
|
44
|
73.92946(5)
|
95.6(12) s
|
β−
|
74Ga
|
0+
|
|
|
| 75Zn
|
30
|
45
|
74.93294(8)
|
10.2(2) s
|
β−
|
75Ga
|
(7/2+)#
|
|
|
| 76Zn
|
30
|
46
|
75.93329(9)
|
5.7(3) s
|
β−
|
76Ga
|
0+
|
|
|
| 77Zn
|
30
|
47
|
76.93696(13)
|
2.08(5) s
|
β−
|
77Ga
|
(7/2+)#
|
|
|
| 77mZn
|
772.39(12) keV
|
1.05(10) s
|
IT (50%)
|
77Zn
|
1/2−#
|
|
|
| β− (50%)
|
77Ga
|
| 78Zn
|
30
|
48
|
77.93844(10)
|
1.47(15) s
|
β−
|
78Ga
|
0+
|
|
|
| 78mZn
|
2673(1) keV
|
319(9) ns
|
|
|
(8+)
|
|
|
| 79Zn
|
30
|
49
|
78.94265(28)#
|
0.995(19) s
|
β− (98.7%)
|
79Ga
|
(9/2+)
|
|
|
| β−, n (1.3%)
|
78Ga
|
| 80Zn
|
30
|
50
|
79.94434(18)
|
545(16) ms
|
β− (99%)
|
80Ga
|
0+
|
|
|
| β−, n (1%)
|
79Ga
|
| 81Zn
|
30
|
51
|
80.95048(32)#
|
290(50) ms
|
β− (92.5%)
|
81Ga
|
5/2+#
|
|
|
| β−, n (7.5%)
|
80Ga
|
| 82Zn
|
30
|
52
|
81.95442(54)#
|
100# ms [>300 ns]
|
β−
|
82Ga
|
0+
|
|
|
| 83Zn
|
30
|
53
|
82.96103(54)#
|
80# ms [>300 ns]
|
|
|
5/2+#
|
|
|
Close
畫上#號的數據代表沒有經過實驗的証明，僅為理論推測。
Final product of the silicon-burning process; its production is endothermic and accelerates the star's collapse
Believed to undergo β+β+ decay to 64Ni with a half-life over 2.3×1018 a Believed to undergo β−β− decay to 70Ge with a half-life over 1.3×1016 a
- 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.
