鈷嘅同位素

鈷有40個同位素，得⁵⁹Co（鈷-59）一個係穩定嘅。

圖表

符號	Z（p）	N（n）	質量（u）	半衰期	原子核自旋	相對豐度	相對豐度嘅變化率
符號	激發能量			半衰期	原子核自旋	相對豐度	相對豐度嘅變化率
⁴⁷Co	27	20	47.01149(54)#		7/2-#
⁴⁸Co	27	21	48.00176(43)#		6+#
⁴⁹Co	27	22	48.98972(28)#	<35 ns	7/2-#
⁵⁰Co	27	23	49.98154(18)#	44(4) ms	(6+)
⁵¹Co	27	24	50.97072(16)#	60# ms [>200 ns]	7/2-#
⁵²Co	27	25	51.96359(7)#	115(23) ms	(6+)
^52mCo	380(100)# keV			104(11)# ms	2+#
⁵³Co	27	26	52.954219(19)	242(8) ms	7/2-#
^53mCo	3197(29) keV			247(12) ms	(19/2-)
⁵⁴Co	27	27	53.9484596(8)	193.28(7) ms	0+
^54mCo	197.4(5) keV			1.48(2) min	(7)+
⁵⁵Co	27	28	54.9419990(8)	17.53(3) h	7/2-
⁵⁶Co	27	29	55.9398393(23)	77.233(27) d	4+
⁵⁷Co	27	30	56.9362914(8)	271.74(6) d	7/2-
⁵⁸Co	27	31	57.9357528(13)	70.86(6) d	2+
^58m1Co	24.95(6) keV			9.04(11) h	5+
^58m2Co	53.15(7) keV			10.4(3) µs	4+
⁵⁹Co	27	32	58.9331950(7)	穩定	7/2-	1.0000
⁶⁰Co	27	33	59.9338171(7)	5.2713(8) a	5+
^60mCo	58.59(1) keV			10.467(6) min	2+
⁶¹Co	27	34	60.9324758(10)	1.650(5) h	7/2-
⁶²Co	27	35	61.934051(21)	1.50(4) min	2+
^62mCo	22(5) keV			13.91(5) min	5+
⁶³Co	27	36	62.933612(21)	26.9(4) s	7/2-
⁶⁴Co	27	37	63.935810(21)	0.30(3) s	1+
⁶⁵Co	27	38	64.936478(14)	1.20(6) s	(7/2)-
⁶⁶Co	27	39	65.93976(27)	0.18(1) s	(3+)
^66m1Co	175(3) keV			1.21(1) µs	(5+)
^66m2Co	642(5) keV			>100 µs	(8-)
⁶⁷Co	27	40	66.94089(34)	0.425(20) s	(7/2-)#
⁶⁸Co	27	41	67.94487(34)	0.199(21) s	(7-)
^68mCo	150(150)# keV			1.6(3) s	(3+)
⁶⁹Co	27	42	68.94632(36)	227(13) ms	7/2-#
⁷⁰Co	27	43	69.9510(9)	119(6) ms	(6-)
^70mCo	200(200)# keV			500(180) ms	(3+)
⁷¹Co	27	44	70.9529(9)	97(2) ms	7/2-#
⁷²Co	27	45	71.95781(64)#	62(3) ms	(6-,7-)
⁷³Co	27	46	72.96024(75)#	41(4) ms	7/2-#
⁷⁴Co	27	47	73.96538(86)#	50# ms [>300 ns]	0+
⁷⁵Co	27	48	74.96833(86)#	40# ms [>300 ns]	7/2-#

備註：有#號嘅數據代表冇經過實驗嘅證明，只係理論推測，而用咗括號括係代表數據唔確定。

參攷

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). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and Atomic Weights Revised (2005).
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, Nuc. Phys. A 729, pp. 3-128 (2003).
- National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the NuDat 2.1 database (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.

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