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Isotopes of Cobalt (Z=27)
Click on an isotope to get more information about its decay
Isotope	Half-life	Spin Parity	Decay Mode(s) or Abundance
⁴⁸Co
⁴⁹Co
⁵⁰Co	44 ms	(6+)	%EC+%B+=100, %ECP > 42
⁵¹Co		(7/2-)
⁵²Co	18 ms		%EC+%B+=100
⁵³Co	240 ms	(7/2-)	%EC+%B+=100
^53m1Co	247 ms	(19/2-)	%EC+%B+ ~ 98.5, %P ~ 1.5
⁵⁴Co	193.23 ms	0+	%EC+%B+=100
^54m1Co	1.48 m	(7)+	%EC+%B+=100
⁵⁵Co	17.53 h	7/2-	%EC+%B+=100
⁵⁶Co	77.27 d	4+	%EC+%B+=100
⁵⁷Co	271.79 d	7/2-	%EC=100
⁵⁸Co	70.86 d	2+	%EC+%B+=100
^58m1Co	9.04 h	5+	%IT=100
⁵⁹Co	stable	7/2-	%Abundance=100
⁶⁰Co	5.2714 y	5+	%B-=100
^60m1Co	10.467 m	2+	%IT=99.76 3, %B-=0.24 3
⁶¹Co	1.650 h	7/2-	%B-=100
⁶²Co	1.50 m	2+	%B-=100
^62m1Co	13.91 m	5+	%B- ~ 100, %IT < 1
⁶³Co	27.4 s	(7/2)-	%B-=100
⁶⁴Co	0.30 s	1+	%B-=100
⁶⁵Co	1.20 s	(7/2)-	%B-=100
⁶⁶Co	0.233 s	(3+)	%B-=100
⁶⁷Co	0.42 s	(7/2-)	%B-=100
⁶⁸Co	0.18 s		%B-=100
⁶⁹Co	0.27 s		%B-=100
⁷⁰Co	150 ms		%B-=100, %B-N=2.5 sys
⁷¹Co	210 ms	(7/2-)	%B-=100, %B-N=2.6 sys
⁷²Co	90 ms		%B-=100, %B-N=4.8 sys
⁷³Co		(7/2-)	%B-=?
⁷⁴Co			%B-=?
⁷⁵Co		(7/2-)	%B-=?

Isotopes of Cobalt (Z=27)