All atomic nuclei of the chemical element indium are summarized under indium isotopes; these all consist of an atomic nucleus with 49 protons and, in the uncharged state, 49 electrons. The difference between each indium isotope is based on the number of neutrons in the nucleus.
In nature, the chemical element indium occurs in the form of an isotope mixture of the two primordial nuclides indium-113 and indium-115.
Atomic Mass ma | Quantity | Half-life | Spin | |
Indium Isotopic mixture | 114,818 u | 100 % | ||
Isotope 113In | 112,904062(6) u | 4,281(52) % | stable | 9/2+ |
Isotope 115In | 114,903878773(12) u | 95,719(52) % | 4.41(25) × 1014 a | 9/2+ |
In addition to the natural isotopes of indium, more than 35 other radionuclides and a large number of nuclear isomers are known. Some of the indium radioisotopes have applications in nuclear medicine: indium-111, indium-113m.
Isotope Nuclide | E | N | Atomic Mass [Nuclear Mass] {Mass Excess} | Spin I (h/2π) | Parent |
---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 |
Indium-96 | 9649In | 47 | 95.95932(54) u [95.9324411 u] {-37.89318 MeV} | ||
Indium-97 | 9749In | 48 | 96.94913(43) u [96.9222511 u] {-47.3851 MeV} | (9/2+) | |
Indium-98 | 9849In | 49 | 97.94214(32) u [97.9152611 u] {-53.89624 MeV} | ||
Indium-99 | 9949In | 50 | 98.93411(32) u [98.9072311 u] {-61.37614 MeV} | ||
Indium-100 | 10049In | 51 | 99.93096(20) u [99.9040811 u] {-64.31035 MeV} | (6+) | 100Sn |
Indium-101 | 10149In | 52 | 100.92634(21) u [100.8994611 u] {-68.61385 MeV} | (9/2+) | |
Indium-102 | 10249In | 53 | 101.924106(5) u [101.8972271 u] {-70.69481 MeV} | (6+) | |
Indium-103 | 10349In | 54 | 102.919879(10) u [102.8930001 u] {-74.63223 MeV} | (9/2)+ | |
Indium-103m | 103m49In | 54 | 102.919879(10) u [102.8930001 u] {-74.63223 MeV} | (1/2-) | |
Indium-104 | 10449In | 55 | 103.918215(6) u [103.8913361 u] {-76.18224 MeV} | (6+) | 104Sn |
Indium-104m | 104m49In | 55 | 103.918215(6) u [103.8913361 u] {-76.18224 MeV} | (3+) | |
Indium-105 | 10549In | 56 | 104.914502(11) u [104.8876231 u] {-79.64087 MeV} | 9/2+ | 105Sn |
Indium-105m | 105m49In | 56 | 104.914502(11) u [104.8876231 u] {-79.64087 MeV} | (1/2-) | |
Indium-106 | 10649In | 57 | 105.913464(13) u [105.8865851 u] {-80.60776 MeV} | 7+ | 106Sn |
Indium-106m | 106m49In | 57 | 105.913464(13) u [105.8865851 u] {-80.60776 MeV} | (2)+ | |
Indium-107 | 10749In | 58 | 106.910290(12) u [106.8834111 u] {-83.56433 MeV} | 9/2+ | 107Sn |
Indium-107m | 107m49In | 58 | 106.910290(12) u [106.8834111 u] {-83.56433 MeV} | 1/2- | |
Indium-108 | 10849In | 59 | 107.909694(9) u [107.8828151 u] {-84.1195 MeV} | 7+ | 108Sn |
Indium-108m | 108m49In | 59 | 107.909694(9) u [107.8828151 u] {-84.1195 MeV} | 2+ | |
Indium-109 | 10949In | 60 | 108.907150(4) u [108.8802711 u] {-86.48922 MeV} | 9/2+ | 109Sn |
Indium-109m1 | 109m149In | 60 | 108.907150(4) u [108.8802711 u] {-86.48922 MeV} | 1/2- | |
Indium-109m2 | 109m249In | 60 | 108.907150(4) u [108.8802711 u] {-86.48922 MeV} | 19/2+ | |
Indium-110 | 11049In | 61 | 109.907171(12) u [109.8802921 u] {-86.46966 MeV} | 7+ | 110Sn |
Indium-110m | 110m49In | 61 | 109.907171(12) u [109.8802921 u] {-86.46966 MeV} | 2+ | |
Indium-111 | 11149In | 62 | 110.905107(4) u [110.8782281 u] {-88.39226 MeV} | 9/2+ | 111Sn |
Indium-111m | 111m49In | 62 | 110.905107(4) u [110.8782281 u] {-88.39226 MeV} | 1/2- | |
Indium-112 | 11249In | 63 | 111.905539(5) u [111.8786601 u] {-87.98985 MeV} | 1+ | |
Indium-112m | 112m49In | 63 | 111.905539(5) u [111.8786601 u] {-87.98985 MeV} | 4+ | |
Indium-112m2 | 112m249In | 63 | 111.905539(5) u [111.8786601 u] {-87.98985 MeV} | (7)+ | |
Indium-112m3 | 112m349In | 63 | 111.905539(5) u [111.8786601 u] {-87.98985 MeV} | (8)- | |
Indium-113 | 11349In | 64 | 112.904062(6) u [112.8771831 u] {-89.36567 MeV} | 9/2+ | 113Cd 113Sn |
Indium-113m | 113m49In | 64 | 112.904062(6) u [112.8771831 u] {-89.36567 MeV} | 1/2- | |
Indium-114 | 11449In | 65 | 113.9049164(3) u [113.8780375 u] {-88.5698 MeV} | 1+ | |
Indium-114m1 | 114m149In | 65 | 113.9049164(3) u [113.8780375 u] {-88.5698 MeV} | 5+ | |
Indium-114m2 | 114m249In | 65 | 113.9049164(3) u [113.8780375 u] {-88.5698 MeV} | 8- | |
Indium-115 | 11549In | 66 | 114.903878773(12) u [114.8769999 u] {-89.53635 MeV} | 9/2+ | 115Cd |
Indium-115m | 115m49In | 66 | 114.903878773(12) u [114.8769999 u] {-89.53635 MeV} | 1/2- | |
Indium-116 | 11649In | 67 | 115.90525999(24) u [115.8783811 u] {-88.24975 MeV} | 1+ | |
Indium-116m1 | 116m149In | 67 | 115.90525999(24) u [115.8783811 u] {-88.24975 MeV} | 5+ | |
Indium-116m2 | 116m249In | 67 | 115.90525999(24) u [115.8783811 u] {-88.24975 MeV} | 8- | |
Indium-117 | 11749In | 68 | 116.904516(5) u [116.8776371 u] {-88.94277 MeV} | 9/2+ | 117Cd |
Indium-117m | 117m49In | 68 | 116.904516(5) u [116.8776371 u] {-88.94277 MeV} | 1/2- | |
Indium-118 | 11849In | 69 | 117.906357(8) u [117.8794781 u] {-87.22789 MeV} | 1+ | 118Cd |
Indium-118m1 | 118m149In | 69 | 117.906357(8) u [117.8794781 u] {-87.22789 MeV} | 5+ | |
Indium-118m2 | 118m249In | 69 | 117.906357(8) u [117.8794781 u] {-87.22789 MeV} | 8- | |
Indium-119 | 11949In | 70 | 118.905851(8) u [118.8789721 u] {-87.69923 MeV} | 9/2+ | 119Cd |
Indium-119m | 119m49In | 70 | 118.905851(8) u [118.8789721 u] {-87.69923 MeV} | 1/2- | |
Indium-119m2 | 119m249In | 70 | 118.905851(8) u [118.8789721 u] {-87.69923 MeV} | (3/2)+ | |
Indium-119m3 | 119m349In | 70 | 118.905851(8) u [118.8789721 u] {-87.69923 MeV} | (25/2+) | |
Indium-120 | 12049In | 71 | 119.90797(4) u [119.8810911 u] {-85.72539 MeV} | 1+ | 120Cd |
Indium-120m1 | 120m149In | 71 | 119.90797(4) u [119.8810911 u] {-85.72539 MeV} | (8-) | |
Indium-120m2 | 120m249In | 71 | 119.90797(4) u [119.8810911 u] {-85.72539 MeV} | (5)+ | |
Indium-121 | 12149In | 72 | 120.907851(29) u [120.8809721 u] {-85.83624 MeV} | 9/2+ | 121Cd |
Indium-121m | 121m49In | 72 | 120.907851(29) u [120.8809721 u] {-85.83624 MeV} | 1/2- | |
Indium-122 | 12249In | 73 | 121.91028(5) u [121.8834011 u] {-83.57364 MeV} | 1+ | 122Cd |
Indium-122m1 | 122m149In | 73 | 121.91028(5) u [121.8834011 u] {-83.57364 MeV} | 5+ | |
Indium-122m2 | 122m249In | 73 | 121.91028(5) u [121.8834011 u] {-83.57364 MeV} | (8-) | |
Indium-123 | 12349In | 74 | 122.910434(21) u [122.8835551 u] {-83.43019 MeV} | (9/2)+ | 123Cd |
Indium-123m | 123m49In | 74 | 122.910434(21) u [122.8835551 u] {-83.43019 MeV} | (1/2)- | |
Indium-124 | 12449In | 75 | 123.91318(3) u [123.8863011 u] {-80.87231 MeV} | (1)+ | 124Cd |
Indium-124m | 124m49In | 75 | 123.91318(3) u [123.8863011 u] {-80.87231 MeV} | (8-) | |
Indium-125 | 12549In | 76 | 124.913605(29) u [124.8867261 u] {-80.47642 MeV} | 9/2+ | 125Cd |
Indium-125m | 125m49In | 76 | 124.913605(29) u [124.8867261 u] {-80.47642 MeV} | 1/2(-) | |
Indium-125m2 | 125m249In | 76 | 124.913605(29) u [124.8867261 u] {-80.47642 MeV} | (19/2+) | |
Indium-125m3 | 125m349In | 76 | 124.913605(29) u [124.8867261 u] {-80.47642 MeV} | (23/2-) | |
Indium-126 | 12649In | 77 | 125.916507(29) u [125.8896281 u] {-77.77323 MeV} | 3(+) | 126Cd |
Indium-126m | 126m49In | 77 | 125.916507(29) u [125.8896281 u] {-77.77323 MeV} | (8-) | |
Indium-127 | 12749In | 78 | 126.917449(23) u [126.8905701 u] {-76.89576 MeV} | (9/2+) | 127Cd |
Indium-127m1 | 127m149In | 78 | 126.917449(23) u [126.8905701 u] {-76.89576 MeV} | (1/2-) | |
Indium-127m2 | 127m249In | 78 | 126.917449(23) u [126.8905701 u] {-76.89576 MeV} | (21/2-) | |
Indium-128 | 12849In | 79 | 127.92040(16) u [127.8935211 u] {-74.14692 MeV} | (3)+ | 128Cd |
Indium-128m | 128m49In | 79 | 127.92040(16) u [127.8935211 u] {-74.14692 MeV} | (8-) | |
Indium-129 | 12949In | 80 | 128.9218055(29) u [128.8949266 u] {-72.83771 MeV} | (9/2+) | 129Cd |
Indium-129m | 129m49In | 80 | 128.9218055(29) u [128.8949266 u] {-72.83771 MeV} | (1/2-) | |
Indium-129m2 | 129m249In | 80 | 128.9218055(29) u [128.8949266 u] {-72.83771 MeV} | (23/2-) | |
Indium-129m3 | 129m349In | 80 | 128.9218055(29) u [128.8949266 u] {-72.83771 MeV} | (17/2-) | |
Indium-129m4 | 129m449In | 80 | 128.9218055(29) u [128.8949266 u] {-72.83771 MeV} | (29/2+) | |
Indium-130 | 13049In | 81 | 129.92498(4) u [129.8981011 u] {-69.88068 MeV} | 1(-) | 130Cd 131Cd |
Indium-130m1 | 130m149In | 81 | 129.92498(4) u [129.8981011 u] {-69.88068 MeV} | (10-) | |
Indium-130m3 | 130m349In | 81 | 129.924971876(41915) u [129.898093 u] {-69.88825 MeV} | (5+) | |
Indium-131 | 13149In | 82 | 130.9269721(29) u [130.9000932 u] {-68.02505 MeV} | (9/2+) | 131Cd 132Cd |
Indium-131m1 | 131m149In | 82 | 130.9269721(29) u [130.9000932 u] {-68.02505 MeV} | (1/2-) | |
Indium-131m2 | 131m249In | 82 | 130.9269721(29) u [130.9000932 u] {-68.02505 MeV} | (21/2+) | |
Indium-132 | 13249In | 83 | 131.93300(6) u [131.9061211 u] {-62.4101 MeV} | (7-) | 132Cd |
Indium-133 | 13349In | 84 | 132.938070(220) u [132.9111911 u] {-57.68742 MeV} | (9/2+) | |
Indium-133m | 133m49In | 84 | 132.938070(220) u [132.9111911 u] {-57.68742 MeV} | (1/2-) | |
Indium-134 | 13449In | 85 | 133.94454(32) u [133.9176611 u] {-51.66066 MeV} | (4-7)- | |
Indium-135 | 13549In | 86 | 134.95005(43) u [134.9231711 u] {-46.52813 MeV} | ||
Indium-136 | 13649In | 87 | 135.95651(43) u [135.9296311 u] {-40.51067 MeV} | ||
Indium-137 | 13749In | 88 | 136.96238(54) u [136.9355011 u] {-35.0428 MeV} |
Isotope | Radioactive Decay | Extern | |||
---|---|---|---|---|---|
Half-life | Decay Mode | Probability | Energy | ||
7 | 8 | 9 | 10 | 11 | 12 |
In-96 | p → 95Cd EC, p → 95Ag EC/β+ → 96Cd | ? ? | |||
In-97 | 36(6) ms | β+ → 97Cd β+, p → 96Ag | 98.3 % 1.7 % | 13.344(581) MeV | AL |
In-98 | 32 ms | EC/β+ → 98Cd | ? | 13.74(30) MeV | AL |
In-99 | 3.1(2) s | EC/β+ → 99Cd | ? | 8.56(30) MeV | AL |
In-100 | 5.8(2) s | EC/β+ → 100Cd ε, p → 99Ag | 98.3 % 1.7(4) % | 9.88(18) MeV | AL |
In-101 | 15.1(3) s | EC/β+ → 101Cd ε, p → 100Ag | ca. 100 % ? | 7.22(20) MeV | AL |
In-102 | 23.3(1) s | EC/β+ → 102Cd β+, p → 101Ag | ca. 100 % 0.0093 % | 8.965(5) MeV | AL |
In-103 | 65(7) s | EC/β+ → 103Cd | 100 % | 6.019(10) MeV | AL |
In-103m | 34(2) s | EC/β+ → 103Cd Iso → 103In | 67 % 33 % | ||
In-104 | 1.80(3) min | EC/β+ → 104Cd | 100 % | 7.786(6) MeV | AL |
In-104m | 15.7(5) s | EC/β+ → 104Cd Iso → 104In | 20 % 80 % | ||
In-105 | 5.07(7) min | EC/β+ → 105Cd | 100 % | 4.693(10) MeV | AL |
In-105m | 48(6) s | Iso → 105In | 100 % | ||
In-106 | 6.2(1) min | EC/β+ → 106Cd | 100 % | 6.524(12) MeV | AL |
In-106m | 5.2(1) min | EC/β+ → 106Cd | 100 % | ||
In-107 | 32.4(3) min | EC/β+ → 107Cd | 100 % | 3.426(11) MeV | AL |
In-107m | 50.4(6) s | Iso → 107In | 100 % | ||
In-108 | 58.0(12) min | EC/β+ → 108Cd | 100 % | 5.133(9) MeV | AL |
In-108m | 39.6(7) min | EC/β+ → 108Cd | 100 % | ||
In-109 | 4.159(10) h | EC/β+ → 109Cd | 100 % | 2.015(4) MeV | AL |
In-109m1 | 1.34(7) min | Iso → 109In | 100 % | ||
In-109m2 | 210.0(9) ms | Iso → 109In | 100 % | ||
In-110 | 4.92(8) h | EC/β+ → 110Cd | 100 % | 3.878(11) MeV | AL |
In-110m | 69.1(5) min | EC/β+ → 110Cd | 100 % | ||
In-111 | 2.8047(4) d | EC → 111Cd | 100 % | 0.85763(17) MeV | AL |
In-111m | 7.7(2) min | Iso → 111In | 100 % | ||
In-112 | 14.88(15) min | EC/β+ → 112Cd β- → 112Sn | 62(4) % 38(4) % | 2.585(4) MeV 0.665(4) MeV | AL |
In-112m | 20.67(8) min | Iso → 112In | 100 % | ||
In-112m2 | 0.69(5) μs | Iso → 112In | 100 % | ||
In-112m3 | 2.81(3) μs | Iso → 112In | 100 % | ||
In-113 | stable | AL | |||
In-113m | 99.476(23) min | Iso → 113In | 100 % | ||
In-114 | 71.9(1) s | EC/β+ → 114Cd β- → 114Sn | 0.50(15) % 99.50(15) % | 1.4451(4) MeV 1.9899(3) MeV | AL |
In-114m1 | 49.51(1) d | EC/β+ → 114Cd Iso → 114In | 3.25(24) % 96.75(24) % | ||
In-114m2 | 43.1(5) ms | Iso → 114In | 100 % | ||
In-115 | 4.41(25) × 1014 a | β- → 115Sn | 100 % | 0.497489(10) MeV | AL |
In-115m | 4.486(4) h | β- → 115Sn Iso → 115In | 5.0(7) % 95.0(7) % | ||
In-116 | 14.10(3) s | β- → 116Sn EC → 116Cd | 99.977(6) % 0.023(6) % | 3.27622(24) MeV 0.46273(27) MeV | AL |
In-116m1 | 54.29(17) min | β- → 116Sn | 100 % | ||
In-116m2 | 2.18(4) s | Iso → 116In | 100 % | ||
In-117 | 43.2(3) min | β- → 117Sn | 100 % | 1.1.455(5) MeV | AL |
In-117m | 116.2(3) min | β- → 117Sn Iso → 117In | 52.9(15) % 47.1(15) % | ||
In-118 | 5.0(5) s | β- → 118Sn | 100 % | 4.425(8) MeV | AL |
In-118m1 | 4.45(5) min | β- → 118Sn | 100 % | ||
In-118m2 | 8.5(3) s | β- → 118Sn Iso → 118In | 1.4(4) % 98.6(3) % | ||
In-119 | 2.4(1) min | β- → 119Sn | 100 % | 2.366(7) MeV | AL |
In-119m | 18.0(3) min | β- → 119Sn Iso → 119In | 95.6 % 4.4 % | ||
In-119m2 | 130(15) ns | ||||
In-119m3 | 240(25) ns | ||||
In-120 | 3.08(8) s | β- → 120Sn | 100 % | 5.370(40) MeV | AL |
In-120m1 | 47.3(5) s | β- → 120Sn | 100 % | ||
In-120m2 | 46.2(8) s | β- → 120Sn | 100 % | ||
In-121 | 23.1(6) s | β- → 121Sn | 100 % | 3.361(27) MeV | AL |
In-121m | 3.88(10) min | β- → 121Sn Iso → 121In | 98.8(2) % 1.2(2) % | ||
In-122 | 1.5(3) s | β- → 122Sn | 100 % | 6.37(5) MeV | AL |
In-122m1 | 10.3(6) s | β- → 122Sn | 100 % | ||
In-122m2 | 10.8(4) s | β- → 122Sn | 100 % | ||
In-123 | 6.17(5) s | β- → 123Sn | 100 % | 4.386(20) MeV | AL |
In-123m | 47.4(4) s | β- → 123Sn | 100 % | ||
In-124 | 3.12(9) s | β- → 124Sn | 100 % | 7.36(3) MeV | AL |
In-124m | 3.7(2) s | β- → 124Sn | 100 % | ||
In-125 | 2.36(4) s | β- → 125Sn | 100 % | 5.420(27) MeV | AL |
In-125m | 12.2(2) s | β- → 125Sn | 100 % | ||
In-125m2 | 9.4(6) μs | ||||
In-125m3 | 5.0(15) ms | Iso → 125In | 100 % | ||
In-126 | 1.53(1) s | β- → 126Sn | 100 % | 8.242(27) MeV | AL |
In-126m | 1.64(5) s | β- → 126Sn | 100 % | ||
In-127 | 1.09(1) s | β- → 127Sn β-, n → 126Sn | ≥ 99.97 % ≤ 0.03 % | 6.575(19) MeV 1.048(24) MeV | AL |
In-127m1 | 3.67(4) s | β- → 127Sn β-, n → 126Sn | 99.31 % 0.69(4) % | ||
In-127m2 | 1.04(10) s | β- → 127Sn | 100 % | ||
In-128 | 0.84(6) s | β- → 128Sn β-, n → 127Sn | > 99.954 % < 0.046 % | 9.22(15) MeV 1.125(15) MeV | AL |
In-128m | 0.72(10) s | β- → 128Sn β-, n → 127Sn | > 99.954 % < 0.046 % | AL | |
In-129 | 611(5) ms | β- → 129Sn β-, n → 128Sn | 99.75(5) %7 0.23(7) % | 7.753(17) MeV 2.453(18) MeV | AL |
In-129m | 1.23(3) s | β- → 129Sn β-, n → 128Sn Iso → 129In | 96.37 % 3.6(4) % < 0.3 % | ||
In-129m2 | 0.67(10) s | β- → 129Sn Iso → 129In | ca. 100 % ? | ||
In-129m3 | 8.7(7) μs | Iso → 129In | 100 % | ||
In-129m4 | 110(15) ms | Iso → 129In β- → 129Sn | ca. 100 % ? | ||
In-130 | 0.29(2) s | β- → 130Sn β-, n → 129Sn | 99.07 % 0.93(13) % | 10.25(4) MeV 2.64(4) MeV | AL |
In-130m1 | 0.54(1) s | β- → 130Sn β-, n → 129Sn | 98.35 % 1.65 % | ||
In-130m3 | 0.54(1) s | β- → 130Sn β-, n → 129Sn | 98.35 % 1.65 % | AL | |
In-131 | 0.28(3) s | β- → 131Sn β-, n → 130Sn | 98.0(3) % 2.0(3) % | 9.24(5) MeV 4.036(3) MeV | AL |
In-131m1 | 0.35(5) s | β- → 131Sn β-, n → 130Sn Iso → 131In | ≥ 99.982 % ≤ 2.0(3) % ≤ 0.018 % | ||
In-131m2 | 0.32(6) s | β- → 131Sn β-, n → 130Sn Iso → 131In | > 99 % ca. 0.03 % < 1 % | ||
In-132 | 200(2) ms | β- → 132Sn β-, n → 131Sn | 93.7(9) % 6.3(9) % | 14.13(6) MeV 6.78(6) MeV | AL |
In-133 | 165(3) ms | β- → 133Sn β-, n → 132Sn | 15(10) % 85(10) % | 13.180(200) MeV 10.785(200) MeV | AL |
In-133m | 180(15) ms | β- ? β-, n ? Iso ? | |||
In-134 | 140(4) ms | β- → 134Sb β-, n → 133Sn | 25 % 65 % | AL | |
In-135 | 101(5) ms | β- → 135Sn β-, n → 134Sn β-, 2n → 133Sn | < 100 % > 0 % ? | 14.1(4) MeV 11.83(40) MeV | AL |
In-136 | 85 ms | β- → 136Sn β-, n → 135Sn β-, 2n → 134Sn | 100 % ? ? | 15.39(50) MeV 12.05(40) MeV | |
In-137 | 65 ms | β- → 137Sn β-, n → 136Sn β-, 2n → 135Sn | 100 % ? ? | 14.75(64) MeV 12.79(58) MeV |
Notes (related to the columns):
1 - name of the nuclide, isotope.
2 - E: isotope symbol with mass number (superscript; number of nucleons) and Atomic number (subscript; number of protons).
3 - N: number of neutrons.
4 - relative atomic mass of the Indium isotope (isotopic mass including electrons) and the mass of the atomic nucleus in square brackets (nuclear mass, nuclide mass without electrons), each related to 12C = 12.00000 [2]. In addition, the mass excess is given in MeV.
5 - nuclear spin I, unit: h/2π.
6 - source nuclides: Possible, assumed or actual source nuclides (mother nuclides, parent nuclides). If applicable, the corresponding decay modes can be found in the data for the respective starting nuclide.
7 - isotope notation in short form.
8 - decay: half-live of the Indium isotope (a = years; ; d = days; h = hours; min = minutes; s = seconds).
9 - decay mode: type of decay into the respective daughter nuclides with n = neutron emission; p = proton emission; α = alpha decay; β- = beta minus decay with electron emission; EC = electron capture; β+ = positron emission; ε = β+ and/or EC; Iso = isomeric transition; CD = cluster decay; SF = spontaneous decay.
10 - decay probability in percent (%).
11 - decay energy; Particle energy related to decay type.
12 - other information and notes: AL = Adopted Levels (link to external data [1]).
Miscellaneous:
()- Numbers in brackets: uncertainty to represent the spread of the reported value.
~ - Theoretical values or systematic trends.
- unlisted-: Nuclides that have already been mentioned in the literature but for some reason can no longer be found in the current nuclide tables because their discovery e.g. has not confirmed.
Nuclide quantity 1) spin | Nuclear magnetic moment μ/μN | Gyromagnetic ratio {Quadrupole moment} | Resonant frequency v0 bei 1 T | Relative sensitivity H0 = const. v0 = const. 3) |
---|---|---|---|---|
113In 4,281(52) % 9/2+ | + 5,5208(4) | 5,8845 {+ 0,761(5)} | 9,3655 | 0,35121 7,2589 |
115In 95,719(52) % 9/2+ | +5,5326(4) | 5,8971 {+ 0,772(5)} | 9,3856 | 0,35348 7,2745 |
1) Quantity Percentage of natural occurrence.
2) Gyromagnetic ratio: 107 rad T-1 s-1
Quadrupole moment: Q [barn] = [100 fm2]
3) Related to 1H = 1,000.
According to the Radiation Protection Ordinance (StrlSchV 2018, Germany), the following values (columns 1 to 7) apply to the handling of Indium radionuclides:
Nuclide | Limit Value | HASS limit | SC | Daughter Nuclides | Half-life | |
---|---|---|---|---|---|---|
In-109 | 106 Bq | 10 Bq/g | 4.2 h | |||
In-110m | 105 Bq | 10 Bg/g | 69.1 min | |||
In-111+ | 106 Bq | 10 Bq/g | 0,2 TBq | 10 Bq cm-2 | 2.8 d | |
In-112 | 106 Bq | 100 Bq/g | 14.7 min | |||
In-113m | 106 Bq | 100 Bq/g | 0,3 TBq | 10 Bq cm-2 | 99.5 min | |
In-114 | 105 Bq | 1000 Bq/g | 0,8 TBq | 1.2 min | ||
In-114m+ | 106 Bq | 10 Bq/g | 0,8 TBq | 10 Bq cm-2 | In-114 | 50.0 d |
In-115 | 106 Bq | 10 Bq/g | 4.4 × 1014 a | |||
In-115m | 106 Bq | 100 Bq/g | 0,4 TBq | 10 Bq cm-2 | 4.5 h | |
In-116m | 105 Bq | 10 Bq/g | 54.6 min | |||
In-117 | 106 Bq | 10 Bq/g | 43.2 min | |||
In-117m+ | 106 Bq | 100 Bq/g | 1.9 h | |||
In-119m+ | 105 Bq | 100 Bq/g | 18.0 min |
(HASS = High-Activity Sealed Radioactive Sources; SC = surface contamination)
Properties of the Indium nucleides
[1] - NuDat: National Nuclear Data Center, Brookhaven National Laboratory, based on ENSDF and the Nuclear Wallet Cards.
[2] - G. Audi et. al.: The NUBASE evaluation of nuclear and decay properties. Nuclear Physics, (2003), DOI 10.1016/j.nuclphysa.2003.11.001.
[3] - Live Chart of Nuclides. Nuclear structure and decay data.
Indium: NMR properties - 113In-NMR, 115In-NMR
[4] - N. J. Stone: Table of nuclear magnetic dipole and electric quadrupole moments. Atomic Data and Nuclear Data Tables, (2005), DOI 10.1016/j.adt.2005.04.001.
[5] - Pekka Pyykkö: Year-2008 nuclear quadrupole moments. Molecular Physics, (2008), DOI 10.1080/00268970802018367.
[6] - Pekka Pyykkö: Year-2017 nuclear quadrupole moments. Molecular Physics, (2018), DOI 10.1080/00268976.2018.1426131.
[7] - N. J. Stone: Table of recommended nuclear magnetic dipole moments. IAEA, (2019).
More sources:
[8] - Isotopic abundances, atomic weights and isotopic masses: see respective keyword.
[9] - S. Amos, J. L.Gross, M. Thoennessen:
Discovery of the calcium, indium, tin, and platinum isotopes.
In: Atomic Data and Nuclear Data Tables, (2011), DOI 10.1016/j.adt.2011.03.001.
Last update: 2022-12-12
Perma link: https://www.chemlin.org/chemical-elements/indium-isotopes.php
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