釔的同位素

**主要的釔同位素**
標準原子質量（英语：Standard atomic weight） (Ar, 標準)	88.905838(2);
←Sr（38）	Zr（40）→
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釔（Y，原子量：88.90585(2)）共有61個同位素，其中有1個同位素是稳定的。

圖表编辑

符號	Z（ p ）	N（ n ）	同位素質量（u）	半衰期	衰變方式^[2]^{[n 1]}	衰變產物^{[n 2]}	原子核自旋	相對豐度（莫耳分率）
符號	激發能量			半衰期	衰變方式^[2]^{[n 1]}	衰變產物^{[n 2]}	原子核自旋	相對豐度（莫耳分率）
76 Y	39	37	75.95845(54)#	500# ns [>170 ns]
⁷⁷Y	39	38	76.94965(7)#	63(17) ms	p (>99.9%)	⁷⁶Sr	5/2+#
⁷⁷Y	39	38	76.94965(7)#	63(17) ms	β⁺ (<.1%)	⁷⁷Sr	5/2+#
⁷⁸Y	39	39	77.94361(43)#	54(5) ms	β⁺	⁷⁸Sr	(0+)
^78mY	0(500)# keV			5.8(5) s			5+#
⁷⁹Y	39	40	78.93735(48)	14.8(6) s	β⁺ (>99.9%)	⁷⁹Sr	(5/2+)#
⁷⁹Y	39	40	78.93735(48)	14.8(6) s	β⁺, p (<.1%)	⁷⁸Rb	(5/2+)#
⁸⁰Y	39	41	79.93428(19)	30.1(5) s	β⁺	⁸⁰Sr	4-
^80m1Y	228.5(1) keV			4.8(3) s			(1-)
^80m2Y	312.6(9) keV			4.7(3) µs			(2+)
⁸¹Y	39	42	80.92913(7)	70.4(10) s	β⁺	⁸¹Sr	(5/2+)
⁸²Y	39	43	81.92679(11)	8.30(20) s	β⁺	⁸²Sr	1+
^82m1Y	402.63(14) keV			268(25) ns			4-
^82m2Y	507.50(13) keV			147(7) ns			6+
⁸³Y	39	44	82.92235(5)	7.08(6) min	β⁺	⁸³Sr	9/2+
^83mY	61.98(11) keV			2.85(2) min	β⁺ (60%)	⁸³Sr	(3/2-)
^83mY	61.98(11) keV			2.85(2) min	IT (40%)	⁸³Y	(3/2-)
⁸⁴Y	39	45	83.92039(10)	4.6(2) s	β⁺	⁸⁴Sr	1+
^84mY	-80(190) keV			39.5(8) min	β⁺	⁸⁴Sr	(5-)
⁸⁵Y	39	46	84.916433(20)	2.68(5) h	β⁺	⁸⁵Sr	(1/2)-
^85m1Y	19.8(5) keV			4.86(13) h	β⁺ (99.998%)	⁸⁵Sr	9/2+
^85m1Y	19.8(5) keV			4.86(13) h	IT (.002%)	⁸⁵Y	9/2+
^85m2Y	266.30(20) keV			178(6) ns			5/2-
⁸⁶Y	39	47	85.914886(15)	14.74(2) h	β⁺	⁸⁶Sr	4-
^86m1Y	218.30(20) keV			48(1) min	IT (99.31%)	⁸⁶Y	(8+)
^86m1Y	218.30(20) keV			48(1) min	β⁺ (.69%)	⁸⁶Sr	(8+)
^86m2Y	302.2(5) keV			125(6) ns			(7-)
⁸⁷Y	39	48	86.9108757(17)	79.8(3) h	β⁺	⁸⁷Sr	1/2-
^87mY	380.82(7) keV			13.37(3) h	IT (98.43%)	⁸⁷Y	9/2+
^87mY	380.82(7) keV			13.37(3) h	β⁺ (1.56%)	⁸⁷Sr	9/2+
⁸⁸Y	39	49	87.9095011(20)	106.616(13) d	β⁺	⁸⁸Sr	4-
^88m1Y	674.55(4) keV			13.9(2) ms	IT	⁸⁸Y	(8)+
^88m2Y	392.86(9) keV			300(3) µs			1+
89 Y ^{[n 3]}	39	50	88.9058483(27)	稳定			1/2-	1.0000
^89mY	908.97(3) keV			15.663(5) s	IT	⁸⁹Y	9/2+
⁹⁰Y^{[n 3]}	39	51	89.9071519(27)	64.053(20) h	β⁻	⁹⁰Zr	2-
^90mY	681.67(10) keV			3.19(6) h	IT (99.99%)	⁹⁰Y	7+
^90mY	681.67(10) keV			3.19(6) h	β⁻ (.0018%)	⁹⁰Zr	7+
⁹¹Y^{[n 3]}	39	52	90.907305(3)	58.51(6) d	β⁻	⁹¹Zr	1/2-
^91mY	555.58(5) keV			49.71(4) min	IT (98.5%)	⁹¹Y	9/2+
^91mY	555.58(5) keV			49.71(4) min	β⁻ (1.5%)	⁹¹Zr	9/2+
⁹²Y	39	53	91.908949(10)	3.54(1) h	β⁻	⁹²Zr	2-
⁹³Y	39	54	92.909583(11)	10.18(8) h	β⁻	⁹³Zr	1/2-
^93mY	758.719(21) keV			820(40) ms	IT	⁹³Y	7/2+
⁹⁴Y	39	55	93.911595(8)	18.7(1) min	β⁻	⁹⁴Zr	2-
⁹⁵Y	39	56	94.912821(8)	10.3(1) min	β⁻	⁹⁵Zr	1/2-
⁹⁶Y	39	57	95.915891(25)	5.34(5) s	β⁻	⁹⁶Zr	0-
^96mY	1140(30) keV			9.6(2) s	β⁻	⁹⁶Zr	(8)+
⁹⁷Y	39	58	96.918134(13)	3.75(3) s	β⁻ (99.942%)	⁹⁷Zr	(1/2-)
⁹⁷Y	39	58	96.918134(13)	3.75(3) s	β⁻, n (.058%)	⁹⁶Zr	(1/2-)
^97m1Y	667.51(23) keV			1.17(3) s	β⁻ (99.3%)	⁹⁷Zr	(9/2)+
					IT (.7%)	⁹⁷Y
					β⁻, n (.08%)	⁹⁶Zr
^97m2Y	3523.3(4) keV			142(8) ms			(27/2-)
⁹⁸Y	39	59	97.922203(26)	0.548(2) s	β⁻ (99.669%)	⁹⁸Zr	(0)-
⁹⁸Y	39	59	97.922203(26)	0.548(2) s	β⁻, n (.331%)	⁹⁷Zr	(0)-
^98m1Y	170.74(6) keV			620(80) ns			(2)-
^98m2Y	410(30) keV			2.0(2) s	β⁻ (86.6%)	⁹⁸Zr	(5+,4-)
					IT (10%)	⁹⁸Y
					β⁻, n (3.4%)	⁹⁷Zr
^98m3Y	496.19(15) keV			7.6(4) µs			(2-)
^98m4Y	1181.1(4) keV			0.83(10) µs			(8-)
⁹⁹Y	39	60	98.924636(26)	1.470(7) s	β⁻ (98.1%)	⁹⁹Zr	(5/2+)
⁹⁹Y	39	60	98.924636(26)	1.470(7) s	β⁻, n (1.9%)	⁹⁸Zr	(5/2+)
^99mY	2141.65(19) keV			8.6(8) µs			(17/2+)
¹⁰⁰Y	39	61	99.92776(8)	735(7) ms	β⁻ (98.98%)	¹⁰⁰Zr	1-,2-
¹⁰⁰Y	39	61	99.92776(8)	735(7) ms	β⁻, n (1.02%)	⁹⁹Zr	1-,2-
^100mY	200(200)# keV			940(30) ms	β⁻	¹⁰⁰Zr	(3,4,5)(+#)
¹⁰¹Y	39	62	100.93031(10)	426(20) ms	β⁻ (98.06%)	¹⁰¹Zr	(5/2+)
¹⁰¹Y	39	62	100.93031(10)	426(20) ms	β⁻, n (1.94%)	¹⁰⁰Zr	(5/2+)
¹⁰²Y	39	63	101.93356(9)	0.30(1) s	β⁻ (95.1%)	¹⁰²Zr
¹⁰²Y	39	63	101.93356(9)	0.30(1) s	β⁻, n (4.9%)	¹⁰¹Zr
^102mY	200(200)# keV			360(40) ms	β⁻ (94%)	¹⁰²Zr	high
^102mY	200(200)# keV			360(40) ms	β⁻, n (6%)	¹⁰¹Zr	high
¹⁰³Y	39	64	102.93673(32)#	224(19) ms	β⁻ (91.7%)	¹⁰³Zr	5/2+#
¹⁰³Y	39	64	102.93673(32)#	224(19) ms	β⁻, n (8.3%)	¹⁰²Zr	5/2+#
¹⁰⁴Y	39	65	103.94105(43)#	180(60) ms	β⁻	¹⁰⁴Zr
¹⁰⁵Y	39	66	104.94487(54)#	60# ms [>300 ns]	β⁻	¹⁰⁵Zr	5/2+#
¹⁰⁶Y	39	67	105.94979(75)#	50# ms [>300 ns]	β⁻	¹⁰⁶Zr
¹⁰⁷Y	39	68	106.95414(54)#	30# ms [>300 ns]			5/2+#
¹⁰⁸Y	39	69	107.95948(86)#	20# 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	→
鍶的同位素	釔的同位素	鋯的同位素

註釋编辑

^ Abbreviations:
ε: Electron capture
IT: Isomeric transition
^ Bold for stable isotopes, bold italics for nearly-stable isotopes (half-life longer than the age of the universe)
^ ^3.0 ^3.1 ^3.2 Fission product

参考文獻编辑

^ Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. Standard atomic weights of the elements 2021 (IUPAC Technical Report). Pure and Applied Chemistry. 2022-05-04. ISSN 1365-3075. doi:10.1515/pac-2019-0603 （英语）.
^ 存档副本. [2015-09-14]. （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).
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.

[3] Abbreviations:
ε: Electron capture
IT: Isomeric transition

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

[FP-5] 3.0 ^3.1 ^3.2 Fission product

[CIAAW2021-1] Prohaska, Thomas; Irrgeher, Johanna; Benefield, Jacqueline; Böhlke, John K.; Chesson, Lesley A.; Coplen, Tyler B.; Ding, Tiping; Dunn, Philip J. H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. Standard atomic weights of the elements 2021 (IUPAC Technical Report). Pure and Applied Chemistry. 2022-05-04. ISSN 1365-3075. doi:10.1515/pac-2019-0603 （英语）.

[2] 存档副本. [2015-09-14]. （原始内容存档于2017-02-19）.

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