鎵 (原子量 :69.723(1))共有34個同位素 ,其中有2個是穩定 的。
圖表
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 [ 3]
衰變 產物 [ n 3] [ n 4]
原子核 自旋 [ n 1]
相對豐度 (莫耳 分率)[ 4] [ n 2]
激發能量[ n 2]
56 Ga
31
25
55.99491(28)#
p
55 Zn
3+#
57 Ga
31
26
56.98293(28)#
p
56 Zn
1/2−#
58 Ga
31
27
57.97425(23)#
p
57 Zn
2+#
59 Ga
31
28
58.96337(18)#
p
58 Zn
3/2−#
60 Ga
31
29
59.95706(12)#
70(10) ms
β+
60 Zn
(2+)
61 Ga
31
30
60.94945(6)
168(3) ms
β+
61 Zn
3/2−
62 Ga
31
31
61.944175(30)
116.18(4) ms
β+
62 Zn
0+
63 Ga
31
32
62.9392942(14)
32.4(5) s
β+
63 Zn
(3/2−)
64 Ga
31
33
63.9368387(22)
2.627(12) min
β+
64 Zn
0(+#)
64m Ga
42.85(8) keV
21.9(7) µs
2+
65 Ga
31
34
64.9327348(9)
15.2(2) min
β+
65 Zn
3/2−
66 Ga
31
35
65.931589(3)
9.49(7) h
β+
66 Zn
0+
67 Ga[ n 5]
31
36
66.9282017(14)
3.2612(6) d
ε
67 Zn
3/2−
68 Ga[ n 6]
31
37
67.9279801(16)
67.783(27) min[ 1]
β+
68 Zn
1+
69 Ga
31
38
68.9255736(13)
稳定
3/2−
0.60108(50)
70 Ga
31
39
69.9260220(13)
21.14(3) min
β− (99.59)
70 Ge
1+
ε (0.41%)
70 Zn
71 Ga
31
40
70.9247013(11)
稳定
3/2−
0.39892(50)
72 Ga
31
41
71.9263663(11)
14.095(3) h
β−
72 Ge
3-
72m Ga
119.66(5) keV
39.68(13) ms
IT
72 Ga
(0+)
73 Ga
31
42
72.9251747(18)
4.86(3) h
β−
73 Ge
3/2−
74 Ga
31
43
73.926946(4)
8.12(12) min
β−
74 Ge
(3-)
74m Ga
59.571(14) keV
9.5(10) s
(0)
75 Ga
31
44
74.9265002(26)
126(2) s
β−
75 Ge
(3/2)−
76 Ga
31
45
75.9288276(21)
32.6(6) s
β−
76 Ge
(2+,3+)
77 Ga
31
46
76.9291543(26)
13.2(2) s
β−
77 Ge
(3/2−)
78 Ga
31
47
77.9316082(26)
5.09(5) s
β−
78 Ge
(3+)
79 Ga
31
48
78.93289(11)
2.847(3) s
β− (99.911%)
79m Ge
(3/2−)#
β− , n (.089%)
78 Ge
80 Ga
31
49
79.93652(13)
1.697(11) s
β− (99.11%)
80 Ge
(3)
β− , n (.89%)
79 Ge
81 Ga
31
50
80.93775(21)
1.217(5) s
β− (88.11%)
81m Ge
(5/2−)
β− , n (11.89%)
80 Ge
82 Ga
31
51
81.94299(32)#
0.599(2) s
β− (78.5%)
82 Ge
(1,2,3)
β− , n (21.5%)
81 Ge
83 Ga
31
52
82.94698(32)#
308(1) ms
β− (60%)
83 Ge
3/2−#
β− , n (40%)
82 Ge
84 Ga
31
53
83.95265(43)#
0.085(10) s
β− , n (70%)
83 Ge
β− (30%)
84 Ge
85 Ga
31
54
84.95700(54)#
50# ms [>300 ns]
3/2−#
86 Ga
31
55
85.96312(86)#
30# ms [>300 ns]
参考文獻
^ 1.0 1.1 Ramirez, N.C.; Collins, S.M. A new determination of the 68 Ga half-life and evaluation of literature data. Applied Radiation and Isotopes (Elsevier BV). 2023: 111103. ISSN 0969-8043 . doi:10.1016/j.apradiso.2023.111103 .
^ 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. [2015-09-13 ] . (原始内容 存档于2017-02-19).
^ Standard Atomic Weights: Gallium . CIAAW . [2024-05-28 ] . (原始内容存档 于2024-08-21).
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.
穩定9個
穩定6個
穩定5個
穩定4個
穩定3個
穩定2個
穩定1個
1億年〜
1万年〜
10年〜
100日〜
1日〜
1時〜
10分〜
1分〜
10秒〜
1秒〜
不到1秒
幻數
穩定9個
穩定6個
穩定5個
穩定4個
穩定3個
穩定2個
穩定1個
1億年〜
1万年〜
10年〜
100日〜
1日〜
1時〜
10分〜
1分〜
10秒〜
1秒〜
不到1秒
幻數