銦（原子量：114.818）在自然界中由两种同位素组成，其中比较多的是有放射性，但半衰期长达4.41年的115In，占了天然铟的95.7%，而稳定的113In只占了4.3%。在所有有稳定同位素的元素中，只有碲和铼同样有丰度比稳定同位素还高的放射性同位素。
除了115In以外，铟最长寿的放射性同位素是111In，半衰期为2.8047天。铟还有47种同核异构体，其中最长寿的是半衰期49.51天的114m1In。
可用作的放射性示踪剂，也用于，检测是否有隐藏的感染。
圖表
|-
| 97In
| style="text-align:right" | 49
| style="text-align:right" | 48
| 96.94954(64)#
| 5# ms
|
|
| 9/2+#
|
|
|-
| 98In
| style="text-align:right" | 49
| style="text-align:right" | 49
| 97.94214(21)#
| 45(23) ms
[32(+32-11) ms]
|
| 98Cd
| 0+#
|
|
|-
| style="text-indent:1em" | 98mIn
| colspan="3" style="text-indent:2em" | 0(500)# keV
| 1.7(8) s
[1.2(+12-4) s]
|
|
|
|
|
|-
| 99In
| style="text-align:right" | 49
| style="text-align:right" | 50
| 98.93422(43)#
| 3.1(8) s
[3.0(+8-7) s]
|
| 99Cd
| 9/2+#
|
|
|-
| style="text-indent:1em" | 99mIn
| colspan="3" style="text-indent:2em" | 400(150)# keV
| 1# s
|
|
| 1/2-#
|
|
|-
| rowspan=2|100In
| rowspan=2 style="text-align:right" | 49
| rowspan=2 style="text-align:right" | 51
| rowspan=2|99.93111(27)
| rowspan=2|5.9(2) s
| (96.1%)
| 100Cd
| rowspan=2|(6,7)+
| rowspan=2|
| rowspan=2|
|-
| , (3.9%)
| 99Ag
|-
| rowspan=2|101In
| rowspan=2 style="text-align:right" | 49
| rowspan=2 style="text-align:right" | 52
| rowspan=2|100.92634(32)#
| rowspan=2|15.1(3) s
|
| 100Cd
| rowspan=2|9/2+#
| rowspan=2|
| rowspan=2|
|-
| ,
| 100Ag
|-
| style="text-indent:1em" | 101mIn
| colspan="3" style="text-indent:2em" | 550(100)# keV
| 10# s
|
|
| 1/2-#
|
|
|-
| rowspan=2|102In
| rowspan=2 style="text-align:right" | 49
| rowspan=2 style="text-align:right" | 53
| rowspan=2|101.92409(12)
| rowspan=2|23.3(1) s
| (99.99%)
| 102Cd
| rowspan=2|(6+)
| rowspan=2|
| rowspan=2|
|-
| , (.00929%)
| 101Ag
|-
| 103In
| style="text-align:right" | 49
| style="text-align:right" | 54
| 102.919914(27)
| 60(1) s
|
| 103Cd
| 9/2+#
|
|
|-
| style="text-indent:1em" | 103mIn
| colspan="3" style="text-indent:2em" | 631.7(1) keV
| 34(2) s
|
|
| (1/2-)#
|
|
|-
| 104In
| style="text-align:right" | 49
| style="text-align:right" | 55
| 103.91830(9)
| 1.80(3) min
|
| 104Cd
| 5,6(+)
|
|
|-
| rowspan=2 style="text-indent:1em" | 104mIn
| rowspan=2 colspan="3" style="text-indent:2em" | 93.48(10) keV
| rowspan=2|15.7(5) s
| IT (80%)
| 104In
| rowspan=2|(3+)
| rowspan=2|
| rowspan=2|
|-
| (20%)
| 104Cd
|-
| 105In
| style="text-align:right" | 49
| style="text-align:right" | 56
| 104.914674(19)
| 5.07(7) min
|
| 105Cd
| 9/2+
|
|
|-
| style="text-indent:1em" | 105mIn
| colspan="3" style="text-indent:2em" | 674.1(3) keV
| 48(6) s
| IT
| 105In
| (1/2)-
|
|
|-
| 106In
| style="text-align:right" | 49
| style="text-align:right" | 57
| 105.913465(13)
| 6.2(1) min
|
| 106Cd
| 7+
|
|
|-
| style="text-indent:1em" | 106mIn
| colspan="3" style="text-indent:2em" | 28.6(3) keV
| 5.2(1) min
|
| 106Cd
| (3+)
|
|
|-
| 107In
| style="text-align:right" | 49
| style="text-align:right" | 58
| 106.910295(12)
| 32.4(3) min
|
| 107Cd
| 9/2+
|
|
|-
| style="text-indent:1em" | 107mIn
| colspan="3" style="text-indent:2em" | 678.5(3) keV
| 50.4(6) s
| IT
| 107In
| 1/2-
|
|
|-
| 108In
| style="text-align:right" | 49
| style="text-align:right" | 59
| 107.909698(10)
| 58.0(12) min
|
| 108Cd
| 7+
|
|
|-
| style="text-indent:1em" | 108mIn
| colspan="3" style="text-indent:2em" | 29.75(5) keV
| 39.6(7) min
|
| 108Cd
| 2+
|
|
|-
| 109In
| style="text-align:right" | 49
| style="text-align:right" | 60
| 108.907151(6)
| 4.2(1) h
|
| 109Cd
| 9/2+
|
|
|-
| style="text-indent:1em" | 109m1In
| colspan="3" style="text-indent:2em" | 650.1(3) keV
| 1.34(7) min
| IT
| 109In
| 1/2-
|
|
|-
| style="text-indent:1em" | 109m2In
| colspan="3" style="text-indent:2em" | 2101.8(2) keV
| 209(6) ms
|
|
| (19/2+)
|
|
|-
| 110In
| style="text-align:right" | 49
| style="text-align:right" | 61
| 109.907165(13)
| 4.9(1) h
|
| 110Cd
| 7+
|
|
|-
| style="text-indent:1em" | 110mIn
| colspan="3" style="text-indent:2em" | 62.1(5) keV
| 69.1(5) min
|
| 110Cd
| 2+
|
|
|-
| 111In
| style="text-align:right" | 49
| style="text-align:right" | 62
| 110.905103(5)
| 2.8047(5) d
|
| 111Cd
| 9/2+
|
|
|-
| style="text-indent:1em" | 111mIn
| colspan="3" style="text-indent:2em" | 536.95(6) keV
| 7.7(2) min
| IT
| 111In
| 1/2-
|
|
|-
| rowspan=2|112In
| rowspan=2 style="text-align:right" | 49
| rowspan=2 style="text-align:right" | 63
| rowspan=2|111.905532(6)
| rowspan=2|14.97(10) min
| (56%)
| 112Cd
| rowspan=2|1+
| rowspan=2|
| rowspan=2|
|-
| (44%)
| 112Sn
|-
| style="text-indent:1em" | 112m1In
| colspan="3" style="text-indent:2em" | 156.59(5) keV
| 20.56(6) min
|
| 112Cd
| 4+
|
|
|-
| style="text-indent:1em" | 112m2In
| colspan="3" style="text-indent:2em" | 350.76(9) keV
| 690(50) ns
|
|
| 7+
|
|
|-
| style="text-indent:1em" | 112m3In
| colspan="3" style="text-indent:2em" | 613.69(14) keV
| 2.81(3) µs
|
|
| 8-
|
|
|-
| 113In
| style="text-align:right" | 49
| style="text-align:right" | 64
| 112.904058(3)
| colspan=3 align=center|**'
| 9/2+
| 0.0429(5)
|
|-
| style="text-indent:1em" | 113mIn
| colspan="3" style="text-indent:2em" | 391.699(3) keV
| 1.6579(4) h
| IT
| 113In
| 1/2-
|
|
|-
| rowspan=2|114In
| rowspan=2 style="text-align:right" | 49
| rowspan=2 style="text-align:right" | 65
| rowspan=2|113.904914(3)
| rowspan=2|71.9(1) s
| (99.5%)
| 114Cd
| rowspan=2|1+
| rowspan=2|
| rowspan=2|
|-
| (0.5%)
| 114Sn
|-
| rowspan=2 style="text-indent:1em" | 114m1In
| rowspan=2 colspan="3" style="text-indent:2em" | 190.29(3) keV
| rowspan=2|49.51(1) d
| IT (96.75%)
| 114In
| rowspan=2|5+
| rowspan=2|
| rowspan=2|
|-
| (3.25%)
| 114Cd
|-
| rowspan=2 style="text-indent:1em" | 114m2In
| rowspan=2 colspan="3" style="text-indent:2em" | 501.94(3) keV
| rowspan=2|43.1(6) ms
| IT (96.75%)
| 114In
| rowspan=2|(8-)
| rowspan=2|
| rowspan=2|
|-
| (3.25%)
| 114Cd
|-
| style="text-indent:1em" | 114m3In
| colspan="3" style="text-indent:2em" | 641.72(3) keV
| 4.3(4) µs
|
|
| (7+)
|
|
|-
|
| style="text-align:right" | 49
| style="text-align:right" | 66
| 114.903878(5)
| 4.41(25)×1014 a
|
| 115Sn
| 9/2+
| 0.9571(5)
|
|-
| rowspan=2 style="text-indent:1em" | 115mIn
| rowspan=2 colspan="3" style="text-indent:2em" | 336.244(17) keV
| rowspan=2|4.486(4) h
| IT (95%)
| 115In
| rowspan=2|1/2-
| rowspan=2|
| rowspan=2|
|-
| (5%)
| 115Sn
|-
| rowspan=2|116In
| rowspan=2 style="text-align:right" | 49
| rowspan=2 style="text-align:right" | 67
| rowspan=2|115.905260(5)
| rowspan=2|14.10(3) s
|
| 116Sn
| rowspan=2|1+
| rowspan=2|
| rowspan=2|
|-
|
| 116Cd
|-
| style="text-indent:1em" | 116m1In
| colspan="3" style="text-indent:2em" | 127.267(6) keV
| 54.29(17) min
|
|
| 5+
|
|
|-
| style="text-indent:1em" | 116m2In
| colspan="3" style="text-indent:2em" | 289.660(6) keV
| 2.18(4) s
|
|
| 8-
|
|
|-
| 117In
| style="text-align:right" | 49
| style="text-align:right" | 68
| 116.904514(6)
| 43.2(3) min
|
| 117Sn
| 9/2+
|
|
|-
| rowspan=2 style="text-indent:1em" | 117mIn
| rowspan=2 colspan="3" style="text-indent:2em" | 315.302(12) keV
| rowspan=2|116.2(3) min
| (52.91%)
| 117Sn
| rowspan=2|1/2-
| rowspan=2|
| rowspan=2|
|-
| IT (47.09%)
| 117In
|-
| 118In
| style="text-align:right" | 49
| style="text-align:right" | 69
| 117.906354(9)
| 5.0(5) s
|
| 118Sn
| 1+
|
|
|-
| style="text-indent:1em" | 118m1In
| colspan="3" style="text-indent:2em" | 100(50)# keV
| 4.364(7) min
|
| 118Sn
| 5+
|
|
|-
| style="text-indent:1em" | 118m2In
| colspan="3" style="text-indent:2em" | 240(50)# keV
| 8.5(3) s
|
|
| 8-
|
|
|-
| 119In
| style="text-align:right" | 49
| style="text-align:right" | 70
| 118.905845(8)
| 2.4(1) min
|
| 119Sn
| 9/2+
|
|
|-
| rowspan=2 style="text-indent:1em" | 119m1In
| rowspan=2 colspan="3" style="text-indent:2em" | 311.37(3) keV
| rowspan=2|18.0(3) min
| (94.4%)
| 119Sn
| rowspan=2|1/2-
| rowspan=2|
| rowspan=2|
|-
| IT (5.6%)
| 119In
|-
| style="text-indent:1em" | 119m2In
| colspan="3" style="text-indent:2em" | 654.27(7) keV
| 130(15) ns
|
|
| 1/2+,3/2+
|
|
|-
| 120In
| style="text-align:right" | 49
| style="text-align:right" | 71
| 119.90796(4)
| 3.08(8) s
|
| 120Sn
| 1+
|
|
|-
| style="text-indent:1em" | 120m1In
| colspan="3" style="text-indent:2em" | 50(60)# keV
| 46.2(8) s
|
|
| 5+
|
|
|-
| style="text-indent:1em" | 120m2In
| colspan="3" style="text-indent:2em" | 300(200)# keV
| 47.3(5) s
|
| 120Sn
| 8(-)
|
|
|-
| 121In
| style="text-align:right" | 49
| style="text-align:right" | 72
| 120.907846(29)
| 23.1(6) s
|
| 121Sn
| 9/2+
|
|
|-
| rowspan=2 style="text-indent:1em" | 121mIn
| rowspan=2 colspan="3" style="text-indent:2em" | 312.98(8) keV
| rowspan=2|3.88(10) min
| (98.8%)
| 121Sn
| rowspan=2|1/2-
| rowspan=2|
| rowspan=2|
|-
| IT (1.2%)
| 121In
|-
| 122In
| style="text-align:right" | 49
| style="text-align:right" | 73
| 121.91028(5)
| 1.5(3) s
|
| 122Sn
| 1+
|
|
|-
| style="text-indent:1em" | 122m1In
| colspan="3" style="text-indent:2em" | 40(60)# keV
| 10.3(6) s
|
|
| 5+
|
|
|-
| style="text-indent:1em" | 122m2In
| colspan="3" style="text-indent:2em" | 290(140) keV
| 10.8(4) s
|
| 122Sn
| 8-
|
|
|-
| 123In
| style="text-align:right" | 49
| style="text-align:right" | 74
| 122.910438(26)
| 6.17(5) s
|
| 123mSn
| (9/2)+
|
|
|-
| style="text-indent:1em" | 123mIn
| colspan="3" style="text-indent:2em" | 327.21(4) keV
| 47.4(4) s
|
| 123mSn
| (1/2)-
|
|
|-
| 124In
| style="text-align:right" | 49
| style="text-align:right" | 75
| 123.91318(5)
| 3.11(10) s
|
| 124Sn
| 3+
|
|
|-
| rowspan=2 style="text-indent:1em" | 124mIn
| rowspan=2 colspan="3" style="text-indent:2em" | -20(70) keV
| rowspan=2|3.7(2) s
|
| 124Sn
| rowspan=2|(8)(-#)
| rowspan=2|
| rowspan=2|
|-
| IT
| 124In
|-
| 125In
| style="text-align:right" | 49
| style="text-align:right" | 76
| 124.91360(3)
| 2.36(4) s
|
| 125mSn
| 9/2+
|
|
|-
| style="text-indent:1em" | 125mIn
| colspan="3" style="text-indent:2em" | 360.12(9) keV
| 12.2(2) s
|
| 125Sn
| 1/2(-)
|
|
|-
| 126In
| style="text-align:right" | 49
| style="text-align:right" | 77
| 125.91646(4)
| 1.53(1) s
|
| 126Sn
| 3(+#)
|
|
|-
| style="text-indent:1em" | 126mIn
| colspan="3" style="text-indent:2em" | 100(60) keV
| 1.64(5) s
|
| 126Sn
| 8(-#)
|
|
|-
| rowspan=2|127In
| rowspan=2 style="text-align:right" | 49
| rowspan=2 style="text-align:right" | 78
| rowspan=2|126.91735(4)
| rowspan=2|1.09(1) s
| (99.97%)
| 127mSn
| rowspan=2|9/2(+)
| rowspan=2|
| rowspan=2|
|-
| , (.03%)
| 126Sn
|-
| rowspan=2 style="text-indent:1em" | 127mIn
| rowspan=2 colspan="3" style="text-indent:2em" | 460(70) keV
| rowspan=2|3.67(4) s
| (99.31%)
| 127mSn
| rowspan=2|(1/2-)
| rowspan=2|
| rowspan=2|
|-
| , (.69%)
| 126Sn
|-
| rowspan=2|128In
| rowspan=2 style="text-align:right" | 49
| rowspan=2 style="text-align:right" | 79
| rowspan=2|127.92017(5)
| rowspan=2|0.84(6) s
| (99.96%)
| 128Sn
| rowspan=2|(3)+
| rowspan=2|
| rowspan=2|
|-
| , (.038%)
| 127Sn
|-
| style="text-indent:1em" | 128m1In
| colspan="3" style="text-indent:2em" | 247.87(10) keV
| 10(7) ms
|
|
| (1)-
|
|
|-
| style="text-indent:1em" | 128m2In
| colspan="3" style="text-indent:2em" | 320(60) keV
| 720(100) ms
|
| 128Sn
| (8-)
|
|
|-
| rowspan=2|129In
| rowspan=2 style="text-align:right" | 49
| rowspan=2 style="text-align:right" | 80
| rowspan=2|128.92170(5)
| rowspan=2|611(4) ms
| (99.75%)
| 129Sn
| rowspan=2|9/2+#
| rowspan=2|
| rowspan=2|
|-
| , (.25%)
| 128Sn
|-
| rowspan=3 style="text-indent:1em" | 129m1In
| rowspan=3 colspan="3" style="text-indent:2em" | 380(70) keV
| rowspan=3|1.23(3) s
| (97.2%)
| 129Sn
| rowspan=3|(1/2-)#
| rowspan=3|
| rowspan=3|
|-
| , (2.5%)
| 128Sn
|-
| IT (.3%)
| 129In
|-
| style="text-indent:1em" | 129m2In
| colspan="3" style="text-indent:2em" | 1688.0(5) keV
| 8.5(5) µs
|
|
| 17/2-
|
|
|-
| rowspan=2|130In
| rowspan=2 style="text-align:right" | 49
| rowspan=2 style="text-align:right" | 81
| rowspan=2|129.92497(4)
| rowspan=2|0.29(2) s
| (98.35%)
| 130Sn
| rowspan=2|1(-)
| rowspan=2|
| rowspan=2|
|-
| , (1.65%)
| 129Sn
|-
| style="text-indent:1em" | 130m1In
| colspan="3" style="text-indent:2em" | 50(50) keV
| 538(5) ms
|
|
| 10-#
|
|
|-
| style="text-indent:1em" | 130m2In
| colspan="3" style="text-indent:2em" | 400(60) keV
| 0.54(1) s
|
|
| (5+)
|
|
|-
| rowspan=2|131In
| rowspan=2 style="text-align:right" | 49
| rowspan=2 style="text-align:right" | 82
| rowspan=2|130.92685(3)
| rowspan=2|0.28(3) s
| (97.8%)
| 131Sn
| rowspan=2|(9/2+)
| rowspan=2|
| rowspan=2|
|-
| , (2.19%)
| 130Sn
|-
| style="text-indent:1em" | 131m1In
| colspan="3" style="text-indent:2em" | 363(37) keV
| 0.35(5) s
|
|
| (1/2-)
|
|
|-
| style="text-indent:1em" | 131m2In
| colspan="3" style="text-indent:2em" | 4.10(7) MeV
| 320(60) ms
|
|
| (19/2+ to 23/2+)
|
|
|-
| rowspan=2|132In
| rowspan=2 style="text-align:right" | 49
| rowspan=2 style="text-align:right" | 83
| rowspan=2|131.93299(7)
| rowspan=2|206(4) ms
| (94.8%)
| 132Sn
| rowspan=2|(7-)
| rowspan=2|
| rowspan=2|
|-
| , (5.2%)
| 131Sn
|-
| rowspan=2|133In
| rowspan=2 style="text-align:right" | 49
| rowspan=2 style="text-align:right" | 84
| rowspan=2|132.93781(32)#
| rowspan=2|165(3) ms
| , (85%)
| 132Sn
| rowspan=2|(9/2+)
| rowspan=2|
| rowspan=2|
|-
| (15%)
| 133Sn
|-
| style="text-indent:1em" | 133mIn
| colspan="3" style="text-indent:2em" | 330(40)# keV
| 180# ms
| IT
| 133In
| (1/2-)
|
|
|-
| rowspan=3|134In
| rowspan=3 style="text-align:right" | 49
| rowspan=3 style="text-align:right" | 85
| rowspan=3|133.94415(43)#
| rowspan=3|140(4) ms
| (79%)
| 134Sn
| rowspan=3|
| rowspan=3|
| rowspan=3|
|-
| , (17%)
| 133Sn
|-
| , 2n (4%)
| 132Sn
|-
| 135In
| style="text-align:right" | 49
| style="text-align:right" | 86
| 134.94933(54)#
| 92(10) ms
|
|
| 9/2+#
|
|
|}
参考文獻
- Isotope masses from [https://web.archive.org/web/20080923134436/http://www.nndc.bnl.gov/amdc/index.html 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 [http://www.iupac.org/publications/pac/2003/7506/7506x0683.html Atomic weights of the elements. Review 2000 (IUPAC Technical Report)] . Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and [http://www.iupac.org/news/archives/2005/atomic-weights_revised05.html 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. [http://amdc.in2p3.fr/web/nubase_en.html 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 [http://www.nndc.bnl.gov/nudat2/ 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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