鋯的同位素

鋯（原子量：91.224(2)）共有39個同位素，其中有4個同位素是穩定的。

主要的鋯同位素

同位素 衰變 豐度 半衰期 (t1/2) 方式 能量 （MeV） 產物 88Zr 人造 83.4 天 ε 0.670 88Y 89Zr 人造 78.360 小時 β+ 1.811 89Y 90Zr 51.45% 穩定，帶50粒中子 91Zr 11.22% 穩定，帶51粒中子 92Zr 17.15% 穩定，帶52粒中子 93Zr 痕量 1.61×106 年 β− 0.060 93mNb β− 0.091 93Nb 94Zr 17.38% 穩定，帶54粒中子 95Zr 人造 64.032 天 β− 1.126 95Nb 96Zr 2.80% 2.34×1019 年 β−β− 3.356 96Mo
標準原子質量（英語：Standard atomic weight） (Ar, 標準)	91.224(2)[1]
←Y（39） Nb（41）→
檢視 討論 編輯

圖表

符號	Z	N	同位素質量（u） [n 1][n 2]	半衰期 [n 1][n 2][n 3]	衰變 方式[2]	衰變 產物 [n 4]	原子核 自旋[n 1]	相對豐度 （莫耳分率）[n 2]	相對豐度 的變化量 （莫耳分率）
	激發能量[n 2]
78Zr	40	38	77.95523(54)#	50# ms [>170 ns]			0+
79Zr	40	39	78.94916(43)#	56(30) ms	β+, p	78Sr	5/2+#
					β+	79Y
80Zr	40	40	79.9404(16)	4.6(6) s	β+	80Y	0+
81Zr	40	41	80.93721(18)	5.5(4) s	β+ (>99.9%)	81Y	(3/2-)#
					β+, p (<.1%)	80Sr
82Zr	40	42	81.93109(24)#	32(5) s	β+	82Y	0+
83Zr	40	43	82.92865(10)	41.6(24) s	β+ (>99.9%)	83Y	(1/2-)#
					β+, p (<.1%)	82Sr
84Zr	40	44	83.92325(21)#	25.9(7) min	β+	84Y	0+
85Zr	40	45	84.92147(11)	7.86(4) min	β+	85Y	7/2+
85mZr	292.2(3) keV			10.9(3) s	IT (92%)	85Zr	(1/2-)
					β+ (8%)	85Y
86Zr	40	46	85.91647(3)	16.5(1) h	β+	86Y	0+
87Zr	40	47	86.914816(9)	1.68(1) h	β+	87Y	(9/2)+
87mZr	335.84(19) keV			14.0(2) s	IT	87Zr	(1/2)-
88Zr	40	48	87.910227(11)	83.4(3) d	ε	88Y	0+
89Zr	40	49	88.908890(4)	78.41(12) h	β+	89Y	9/2+
89mZr	587.82(10) keV			4.161(17) min	IT (93.77%)	89Zr	1/2-
					β+ (6.23%)	89Y
90 Zr [n 5]	40	50	89.9047044(25)	穩定			0+	0.5145(40)
90m1Zr	2319.000(10) keV			809.2(20) ms	IT	90Zr	5-
90m2Zr	3589.419(16) keV			131(4) ns			8+
91Zr[n 5]	40	51	90.9056458(25)	穩定			5/2+	0.1122(5)
91mZr	3167.3(4) keV			4.35(14) µs			(21/2+)
92Zr[n 5]	40	52	91.9050408(25)	穩定			0+	0.1715(8)
93Zr[n 6]	40	53	92.9064760(25)	1.53(10)×106 y	β−	93Nb	5/2+
94Zr[n 5]	40	54	93.9063152(26)	觀測上穩定[n 7]			0+	0.1738(28)
95Zr[n 5]	40	55	94.9080426(26)	64.032(6) d	β−	95Nb	5/2+
96Zr[n 8][n 5]	40	56	95.9082734(30)	20(4)×1018 y	β−β−[n 9]	96Mo	0+	0.0280(9)
97Zr	40	57	96.9109531(30)	16.744(11) h	β−	97mNb	1/2+
98Zr	40	58	97.912735(21)	30.7(4) s	β−	98Nb	0+
99Zr	40	59	98.916512(22)	2.1(1) s	β−	99mNb	1/2+
100Zr	40	60	99.91776(4)	7.1(4) s	β−	100Nb	0+
101Zr	40	61	100.92114(3)	2.3(1) s	β−	101Nb	3/2+
102Zr	40	62	101.92298(5)	2.9(2) s	β−	102Nb	0+
103Zr	40	63	102.92660(12)	1.3(1) s	β−	103Nb	(5/2-)
104Zr	40	64	103.92878(43)#	1.2(3) s	β−	104Nb	0+
105Zr	40	65	104.93305(43)#	0.6(1) s	β− (>99.9%)	105Nb
					β−, n (<.1%)	104Nb
106Zr	40	66	105.93591(54)#	200# ms [>300 ns]	β−	106Nb	0+
107Zr	40	67	106.94075(32)#	150# ms [>300 ns]	β−	107Nb
108Zr	40	68	107.94396(64)#	80# ms [>300 ns]	β−	108Nb	0+
109Zr	40	69	108.94924(54)#	60# ms [>300 ns]
110Zr	40	70	109.95287(86)#	30# ms [>300 ns]			0+
111Zr[3]	40	71
112Zr[3]	40	72					0+
113Zr[4]	40	73
114Zr[5]	40	74					0+

1. 畫上#號的數據代表沒有經過實驗的証明，僅為理論推測。
2. 用括號括起來的數據代表不確定性。
3. 半衰期超過5億年的同位素以粗體表示。
4. 穩定的衰變產物以粗體表示。
5. Fission product
6. Long-lived fission product
7. Believed to decay by β⁻β⁻ to ⁹⁴Mo with a half-life over 1.1×10¹⁷ years
8. Primordial radionuclide
9. Theorized to also undergo β⁻ decay to ⁹⁶Nb

←	同位素列表	→
釔的同位素	鋯的同位素	鈮的同位素

參考文獻

1. Meija, Juris; et al. Atomic weights of the elements 2013 (IUPAC Technical Report). Pure and Applied Chemistry. 2016, 88 (3): 265–91. doi:10.1515/pac-2015-0305.
2. 存档副本. [2015-09-14]. （原始內容存檔於2017-02-19）.
3. Ohnishi, Tetsuya; Kubo, Toshiyuki; Kusaka, Kensuke; et al. Identification of 45 New Neutron-Rich Isotopes Produced by In-Flight Fission of a ²³⁸U Beam at 345 MeV/nucleon. J. Phys. Soc. Jpn. (Physical Society of Japan). 2010, 79 (7): 073201. Bibcode:2010JPSJ...79g3201T. arXiv:1006.0305 . doi:10.1143/JPSJ.79.073201 .
4. Shimizu, Yohei; et al. Observation of New Neutron-rich Isotopes among Fission Fragments from In-flight Fission of 345MeV=nucleon 238U: Search for New Isotopes Conducted Concurrently with Decay Measurement Campaigns. Journal of the Physical Society of Japan. 2018, 87 (1): 014203. Bibcode:2018JPSJ...87a4203S. doi:10.7566/JPSJ.87.014203 .
5. Sumikama, T.; et al. Observation of new neutron-rich isotopes in the vicinity of Zr110. Physical Review C. 2021, 103 (1): 014614. Bibcode:2021PhRvC.103a4614S. S2CID 234019083. doi:10.1103/PhysRevC.103.014614. hdl:10261/260248 .

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