鍶嘅同位素

鍶有39個同位素，其中4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
⁷³Sr	38	35	72.96597(64)#	>25 ms	1/2-#
⁷⁴Sr	38	36	73.95631(54)#	50# ms [>1.5 µs]	0+
⁷⁵Sr	38	37	74.94995(24)	88(3) ms	(3/2-)
⁷⁶Sr	38	38	75.94177(4)	7.89(7) s	0+
⁷⁷Sr	38	39	76.937945(10)	9.0(2) s	5/2+
⁷⁸Sr	38	40	77.932180(8)	159(8) s	0+
⁷⁹Sr	38	41	78.929708(9)	2.25(10) min	3/2(-)
⁸⁰Sr	38	42	79.924521(7)	106.3(15) min	0+
⁸¹Sr	38	43	80.923212(7)	22.3(4) min	1/2-
⁸²Sr	38	44	81.918402(6)	25.36(3) d	0+
⁸³Sr	38	45	82.917557(11)	32.41(3) h	7/2+
^83mSr	259.15(9) keV			4.95(12) s	1/2-
⁸⁴Sr	38	46	83.913425(3)	穩定	0+	0.0056(1)	0.0055-0.0058
⁸⁵Sr	38	47	84.912933(3)	64.853(8) d	9/2+
^85mSr	238.66(6) keV			67.63(4) min	1/2-
⁸⁶Sr	38	48	85.9092602(12)	穩定	0+	0.0986(1)	0.0975-0.0999
^86mSr	2955.68(21) keV			455(7) ns	8+
⁸⁷Sr	38	49	86.9088771(12)	穩定	9/2+	0.0700(1)	0.0694-0.0714
^87mSr	388.533(3) keV			2.815(12) h	1/2-
⁸⁸Sr	38	50	87.9056121(12)	穩定	0+	0.8258(1)	0.8229-0.8275
⁸⁹Sr	38	51	88.9074507(12)	50.57(3) d	5/2+
⁹⁰Sr	38	52	89.907738(3)	28.90(3) a	0+
⁹¹Sr	38	53	90.910203(5)	9.63(5) h	5/2+
⁹²Sr	38	54	91.911038(4)	2.66(4) h	0+
⁹³Sr	38	55	92.914026(8)	7.423(24) min	5/2+
⁹⁴Sr	38	56	93.915361(8)	75.3(2) s	0+
⁹⁵Sr	38	57	94.919359(8)	23.90(14) s	1/2+
⁹⁶Sr	38	58	95.921697(29)	1.07(1) s	0+
⁹⁷Sr	38	59	96.926153(21)	429(5) ms	1/2+
^97m1Sr	308.13(11) keV			170(10) ns	(7/2)+
^97m2Sr	830.8(2) keV			255(10) ns	(11/2-)#
⁹⁸Sr	38	60	97.928453(28)	0.653(2) s	0+
⁹⁹Sr	38	61	98.93324(9)	0.269(1) s	3/2+
¹⁰⁰Sr	38	62	99.93535(14)	202(3) ms	0+
¹⁰¹Sr	38	63	100.94052(13)	118(3) ms	(5/2-)
¹⁰²Sr	38	64	101.94302(12)	69(6) ms	0+
¹⁰³Sr	38	65	102.94895(54)#	50# ms [>300 ns]
¹⁰⁴Sr	38	66	103.95233(75)#	30# ms [>300 ns]	0+
¹⁰⁵Sr	38	67	104.95858(75)#	20# ms [>300 ns]

備註：有#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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