Cobalt: Properties: Isotopes

Cobalt: Properties

Isotopes

Natural
Abun. (%) Atomic
Mass Half-
life Decay Mode
/Energy (/MeV) Part. En.
/Intensity
(MeV/%) Cross-sect.
Ther. Neut.
(b) Spin
(h/2 pi) Magnetic
Dipl.Mom.
(nm) Electric
Quad. Mom.
(b) Gamma En.
/Intensity
(MeV/%)
⁵⁰Co 49.9807 ß⁺/ 16.5
⁵¹Co 50.97056 ß⁺/ 12.8
⁵²Co 51.96319 ß⁺/ 14.04
^53mCo 0.25s ß⁺,p 19/2^- rad. an.
⁵³Co 52.954225 0.26s ß⁺/ 8.3 7/2^- rad. an.
^54mCo 1.46m ß⁺/ 8.44 4.25/ 100 7⁺ rad. an.
0.411/ 99
1.13/ 100
1.408/ 100
⁵⁴Co 53.94846 0.1932s ß⁺/ 8.242 7.34/ 100 0⁺ rad. an.
⁵⁵Co 54.942001 17.53h ß⁺/ 3.452
E.C. 0.53
1.03
1.5 rad. an.
0.9312/ 75
0.4772/ 20
0.092 - 3.11
⁵⁶Co 55.939841 77.3d ß⁺/ 4.566
E.C. 1.459/ 18 4⁺ 3.85 nm 0.25 b rad. an.
0.84678/ 99.9
1.3283/ 68
0.26 - 3.61
⁵⁷Co 56.936294 271.8d E.C./ 0.836 7/2^- 4.72 nm 0.5 b 0.12206/ 85.6
0.014 - 0.706
^58mCo 9.1h I.T. 1.4x10⁵ b 5⁺ 0.02489/ 0.035
⁵⁸Co 57.935755 70.88d ß⁺/ 2.3
E.C. 1.9x10⁵ b 2⁺ 4.04 nm 0.22 b rad. an.
0.81076/ 99
⁵⁹Co 100 % 58.933198 37.2 b 7/2^- 4.63 nm 0.41 b
^60mCo 10.47m I.T./ 0.059
ß^-/ 1.56 58 b 2⁺ 4.4 nm 0.3 b 0.0586/ 2
⁶⁰Co 59.933819 5.271y ß^-/ 2.824 0.315/ 99.7 2 b 5⁺ 3.799 nm 0.44 b 1.17321/ 100
1.33247/ 100
⁶¹Co 60.932478 1.65h ß^-/ 1.322 1.22/ 95 7/2^- 0.06741/ 86
0.8417 - 0.9092
^62mCo 13.9m ß^- 0.88/ 25
2.88/ 75 5⁺ 1.1635/ 70
1.173/ 98
2.0039/ 19
⁶²Co 61.93406 1.5m ß^-/ 5.32 1.03/ 10
2.9/ 20
4.05/ 60 2⁺ 1.1292/ 13
1.173/ 83
1.9851/ 3
2.302/ 19
⁶³Co 62.933614 27.5s ß^-/ 3.67 3.6 7/2^- 0.08713/ 49
0.9817/ 2.6
0.156 - 2.17
⁶⁴Co 63.935812 0.3s ß^-/ 8.12 7 1⁺
⁶⁵Co 64.93649 1.25s ß^-/ 6
⁶⁶Co 0.23s ß^-/ 9.7
⁶⁷Co
⁶⁸Co 0.18s
⁶⁹Co 0.25s
⁷⁰Co

	Natural Abun. (%)	Atomic Mass	Half- life	Decay Mode /Energy (/MeV)	Part. En. /Intensity (MeV/%)	Cross-sect. Ther. Neut. (b)	Spin (h/2 pi)	Magnetic Dipl.Mom. (nm)	Electric Quad. Mom. (b)	Gamma En. /Intensity (MeV/%)
⁵⁰Co		49.9807		ß⁺/ 16.5
⁵¹Co		50.97056		ß⁺/ 12.8
⁵²Co		51.96319		ß⁺/ 14.04
^53mCo			0.25s	ß⁺,p			19/2^-			rad. an.
⁵³Co		52.954225	0.26s	ß⁺/ 8.3			7/2^-			rad. an.
^54mCo			1.46m	ß⁺/ 8.44	4.25/ 100		7⁺			rad. an. 0.411/ 99 1.13/ 100 1.408/ 100
⁵⁴Co		53.94846	0.1932s	ß⁺/ 8.242	7.34/ 100		0⁺			rad. an.
⁵⁵Co		54.942001	17.53h	ß⁺/ 3.452 E.C.	0.53 1.03 1.5					rad. an. 0.9312/ 75 0.4772/ 20 0.092 - 3.11
⁵⁶Co		55.939841	77.3d	ß⁺/ 4.566 E.C.	1.459/ 18		4⁺	3.85 nm	0.25 b	rad. an. 0.84678/ 99.9 1.3283/ 68 0.26 - 3.61
⁵⁷Co		56.936294	271.8d	E.C./ 0.836			7/2^-	4.72 nm	0.5 b	0.12206/ 85.6 0.014 - 0.706
^58mCo			9.1h	I.T.		1.4x10⁵ b	5⁺			0.02489/ 0.035
⁵⁸Co		57.935755	70.88d	ß⁺/ 2.3 E.C.		1.9x10⁵ b	2⁺	4.04 nm	0.22 b	rad. an. 0.81076/ 99
⁵⁹Co	100 %	58.933198				37.2 b	7/2^-	4.63 nm	0.41 b
^60mCo			10.47m	I.T./ 0.059 ß^-/ 1.56		58 b	2⁺	4.4 nm	0.3 b	0.0586/ 2
⁶⁰Co		59.933819	5.271y	ß^-/ 2.824	0.315/ 99.7	2 b	5⁺	3.799 nm	0.44 b	1.17321/ 100 1.33247/ 100
⁶¹Co		60.932478	1.65h	ß^-/ 1.322	1.22/ 95		7/2^-			0.06741/ 86 0.8417 - 0.9092
^62mCo			13.9m	ß^-	0.88/ 25 2.88/ 75		5⁺			1.1635/ 70 1.173/ 98 2.0039/ 19
⁶²Co		61.93406	1.5m	ß^-/ 5.32	1.03/ 10 2.9/ 20 4.05/ 60		2⁺			1.1292/ 13 1.173/ 83 1.9851/ 3 2.302/ 19
⁶³Co		62.933614	27.5s	ß^-/ 3.67	3.6		7/2^-			0.08713/ 49 0.9817/ 2.6 0.156 - 2.17
⁶⁴Co		63.935812	0.3s	ß^-/ 8.12	7		1⁺
⁶⁵Co		64.93649	1.25s	ß^-/ 6
⁶⁶Co			0.23s	ß^-/ 9.7
⁶⁷Co
⁶⁸Co			0.18s
⁶⁹Co			0.25s
⁷⁰Co