鎵的同位素

**主要的鎵同位素**
標準原子質量（英语：Standard atomic weight） (Ar, 標準)	69.723(1);
←Zn（30）	Ge（32）→
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鎵（原子量：69.723(1)）共有34個同位素，其中有2個是穩定的。

圖表编辑

符號	Z（ p ）	N（ n ）	同位素質量（u）	半衰期	衰變方式^[3]^{[n 1]}	衰變產物^{[n 2]}	原子核自旋	相對豐度（莫耳分率）	相對豐度的變化量（莫耳分率）
符號	激發能量			半衰期	衰變方式^[3]^{[n 1]}	衰變產物^{[n 2]}	原子核自旋	相對豐度（莫耳分率）	相對豐度的變化量（莫耳分率）
⁵⁶Ga	31	25	55.99491(28)#		p	⁵⁵Zn	3+#
⁵⁷Ga	31	26	56.98293(28)#		p	⁵⁶Zn	1/2−#
⁵⁸Ga	31	27	57.97425(23)#		p	⁵⁷Zn	2+#
⁵⁹Ga	31	28	58.96337(18)#		p	⁵⁸Zn	3/2−#
⁶⁰Ga	31	29	59.95706(12)#	70(10) ms	β⁺	⁶⁰Zn	(2+)
⁶¹Ga	31	30	60.94945(6)	168(3) ms	β⁺	⁶¹Zn	3/2−
⁶²Ga	31	31	61.944175(30)	116.18(4) ms	β⁺	⁶²Zn	0+
⁶³Ga	31	32	62.9392942(14)	32.4(5) s	β⁺	⁶³Zn	(3/2−)
⁶⁴Ga	31	33	63.9368387(22)	2.627(12) min	β⁺	⁶⁴Zn	0(+#)
^64mGa	42.85(8) keV			21.9(7) µs			2+
⁶⁵Ga	31	34	64.9327348(9)	15.2(2) min	β⁺	⁶⁵Zn	3/2−
⁶⁶Ga	31	35	65.931589(3)	9.49(7) h	β⁺	⁶⁶Zn	0+
⁶⁷Ga^{[n 3]}	31	36	66.9282017(14)	3.2612(6) d	ε	⁶⁷Zn	3/2−
⁶⁸Ga^{[n 4]}	31	37	67.9279801(16)	67.783(27) min^[1]	β⁺	⁶⁸Zn	1+
69 Ga	31	38	68.9255736(13)	稳定			3/2−	0.60108(9)
⁷⁰Ga	31	39	69.9260220(13)	21.14(3) min	β⁻ (99.59)	⁷⁰Ge	1+
⁷⁰Ga	31	39	69.9260220(13)	21.14(3) min	ε (0.41%)	⁷⁰Zn	1+
⁷¹Ga	31	40	70.9247013(11)	稳定			3/2−	0.39892(9)
⁷²Ga	31	41	71.9263663(11)	14.095(3) h	β⁻	⁷²Ge	3-
^72mGa	119.66(5) keV			39.68(13) ms	IT	⁷²Ga	(0+)
⁷³Ga	31	42	72.9251747(18)	4.86(3) h	β⁻	⁷³Ge	3/2−
⁷⁴Ga	31	43	73.926946(4)	8.12(12) min	β⁻	⁷⁴Ge	(3-)
^74mGa	59.571(14) keV			9.5(10) s			(0)
⁷⁵Ga	31	44	74.9265002(26)	126(2) s	β⁻	⁷⁵Ge	(3/2)−
⁷⁶Ga	31	45	75.9288276(21)	32.6(6) s	β⁻	⁷⁶Ge	(2+,3+)
⁷⁷Ga	31	46	76.9291543(26)	13.2(2) s	β⁻	⁷⁷Ge	(3/2−)
⁷⁸Ga	31	47	77.9316082(26)	5.09(5) s	β⁻	⁷⁸Ge	(3+)
⁷⁹Ga	31	48	78.93289(11)	2.847(3) s	β⁻ (99.911%)	^79mGe	(3/2−)#
⁷⁹Ga	31	48	78.93289(11)	2.847(3) s	β⁻, n (.089%)	⁷⁸Ge	(3/2−)#
⁸⁰Ga	31	49	79.93652(13)	1.697(11) s	β⁻ (99.11%)	⁸⁰Ge	(3)
⁸⁰Ga	31	49	79.93652(13)	1.697(11) s	β⁻, n (.89%)	⁷⁹Ge	(3)
⁸¹Ga	31	50	80.93775(21)	1.217(5) s	β⁻ (88.11%)	^81mGe	(5/2−)
⁸¹Ga	31	50	80.93775(21)	1.217(5) s	β⁻, n (11.89%)	⁸⁰Ge	(5/2−)
⁸²Ga	31	51	81.94299(32)#	0.599(2) s	β⁻ (78.5%)	⁸²Ge	(1,2,3)
⁸²Ga	31	51	81.94299(32)#	0.599(2) s	β⁻, n (21.5%)	⁸¹Ge	(1,2,3)
⁸³Ga	31	52	82.94698(32)#	308(1) ms	β⁻ (60%)	⁸³Ge	3/2−#
⁸³Ga	31	52	82.94698(32)#	308(1) ms	β⁻, n (40%)	⁸²Ge	3/2−#
⁸⁴Ga	31	53	83.95265(43)#	0.085(10) s	β⁻, n (70%)	⁸³Ge
⁸⁴Ga	31	53	83.95265(43)#	0.085(10) s	β⁻ (30%)	⁸⁴Ge
⁸⁵Ga	31	54	84.95700(54)#	50# ms [>300 ns]			3/2−#
⁸⁶Ga	31	55	85.96312(86)#	30# ms [>300 ns]

備註:畫上#號的數據代表沒有經過實驗的証明，只是理論推測而已，而用括號括起來的代表數據不確定性。

←	同位素列表	→
鋅的同位素	鎵的同位素	鍺的同位素

註釋编辑

^ Abbreviations:
EC: Electron capture
IT: Isomeric transition
^ Bold for stable isotopes, bold italics for nearly stable isotopes (half-life longer than the age of the universe)
^ Deexcitation gamma used in medical imaging
^ Medically useful radioisotope

参考文獻编辑

^ ^1.0 ^1.1 Ramirez, N.C.; Collins, S.M. A new determination of the ⁶⁸Ga 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.
^ 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. [2015-09-13]. （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.

[4] Abbreviations:
EC: Electron capture
IT: Isomeric transition

[5] Bold for stable isotopes, bold italics for nearly stable isotopes (half-life longer than the age of the universe)

[6] Deexcitation gamma used in medical imaging

[7] Medically useful radioisotope

[68Ga-1] 1.0 ^1.1 Ramirez, N.C.; Collins, S.M. A new determination of the ⁶⁸Ga 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.

[CIAAW2013-2] 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.

[3] Universal Nuclide Chart. nucleonica. [2015-09-13]. （原始内容存档于2017-02-19）.

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