Isotop besi
Daftar isotop

| Nuklida | Z> Energi eksitasi | N> Energi eksitasi | Massa isotop (Da) > Energi eksitasi | Waktu paruh | Modepeluruhan | Isotopanak | Spin dan paritas | Kelimpahan alami (fraksi mol)> Proporsi normal | Kelimpahan alami (fraksi mol)> Rentang variasi |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 45Fe | 26 | 19 | 45,01458(24)# | 1,89(49) mdtk | β+ (30%) | 45Mn | 3/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 45Fe | 26 | 19 | 45,01458(24)# | 1,89(49) mdtk | 2p (70%) | 43Cr | 3/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 46Fe | 26 | 20 | 46,00081(38)# | 9(4) mdtk [12(+4-3) mdtk] | β+ (>99,9%) | 46Mn | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 46Fe | 26 | 20 | 46,00081(38)# | 9(4) mdtk [12(+4-3) mdtk] | β+, p (<0,1%) | 45Cr | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 47Fe | 26 | 21 | 46,99289(28)# | 21,8(7) mdtk | β+ (>99,9%) | 47Mn | 7/2−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 47Fe | 26 | 21 | 46,99289(28)# | 21,8(7) mdtk | β+, p (<0,1%) | 46Cr | 7/2−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 48Fe | 26 | 22 | 47,98050(8)# | 44(7) mdtk | β+ (96,41%) | 48Mn | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 48Fe | 26 | 22 | 47,98050(8)# | 44(7) mdtk | β+, p (3,59%) | 47Cr | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 49Fe | 26 | 23 | 48,97361(16)# | 70(3) mdtk | β+, p (52%) | 48Cr | (7/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 49Fe | 26 | 23 | 48,97361(16)# | 70(3) mdtk | β+ (48%) | 49Mn | (7/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 50Fe | 26 | 24 | 49,96299(6) | 155(11) mdtk | β+ (>99,9%) | 50Mn | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 50Fe | 26 | 24 | 49,96299(6) | 155(11) mdtk | β+, p (<0,1%) | 49Cr | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 51Fe | 26 | 25 | 50,956820(16) | 305(5) mdtk | β+ | 51Mn | 5/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 52Fe | 26 | 26 | 51,948114(7) | 8,275(8) jam | β+ | 52mMn | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 52mFe | 6,81(13) MeV | 6,81(13) MeV | 6,81(13) MeV | 45,9(6) dtk | β+ | 52Mn | (12+)# |  |  |  |  |  |  |  |  |  |  |  |  |
| 53Fe | 26 | 27 | 52,9453079(19) | 8,51(2) mnt | β+ | 53Mn | 7/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 53mFe | 3040,4(3) keV | 3040,4(3) keV | 3040,4(3) keV | 2,526(24) mnt | IT | 53Fe | 19/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 54Fe | 26 | 28 | 53,9396090(5) | Stabil Secara Pengamatan | Stabil Secara Pengamatan | Stabil Secara Pengamatan | 0+ | 0,05845(35) | 0,05837–0,05861 |  |  |  |  |  |  |  |  |  |  |
| 54mFe | 6526,9(6) keV | 6526,9(6) keV | 6526,9(6) keV | 364(7) ndtk |  |  | 10+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 55Fe | 26 | 29 | 54,9382934(7) | 2,737(11) thn | EC | 55Mn | 3/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 56Fe | 26 | 30 | 55,9349363(5) | Stabil | Stabil | Stabil | 0+ | 0,91754(36) | 0,91742–0,91760 |  |  |  |  |  |  |  |  |  |  |
| 57Fe | 26 | 31 | 56,9353928(5) | Stabil | Stabil | Stabil | 1/2− | 0,02119(10) | 0,02116–0,02121 |  |  |  |  |  |  |  |  |  |  |
| 58Fe | 26 | 32 | 57,9332744(5) | Stabil | Stabil | Stabil | 0+ | 0,00282(4) | 0,00281–0,00282 |  |  |  |  |  |  |  |  |  |  |
| 59Fe | 26 | 33 | 58,9348755(8) | 44,495(9) hri | β− | 59Co | 3/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 60Fe | 26 | 34 | 59,934072(4) | 2,6×106 thn | β− | 60Co | 0+ | renik |  |  |  |  |  |  |  |  |  |  |  |
| 61Fe | 26 | 35 | 60,936745(21) | 5,98(6) mnt | β− | 61Co | 3/2−,5/2− |  |  |  |  |  |  |  |  |  |  |  |  |
| 61mFe | 861(3) keV | 861(3) keV | 861(3) keV | 250(10) ndtk |  |  | 9/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 62Fe | 26 | 36 | 61,936767(16) | 68(2) dtk | β− | 62Co | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 63Fe | 26 | 37 | 62,94037(18) | 6,1(6) dtk | β− | 63Co | (5/2)− |  |  |  |  |  |  |  |  |  |  |  |  |
| 64Fe | 26 | 38 | 63,9412(3) | 2,0(2) dtk | β− | 64Co | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 65Fe | 26 | 39 | 64,94538(26) | 1,3(3) dtk | β− | 65Co | 1/2−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 65mFe | 364(3) keV | 364(3) keV | 364(3) keV | 430(130) ndtk |  |  | (5/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 66Fe | 26 | 40 | 65,94678(32) | 440(40) mdtk | β− (>99,9%) | 66Co | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 66Fe | 26 | 40 | 65,94678(32) | 440(40) mdtk | β−, n (<0,1%) | 65Co | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 67Fe | 26 | 41 | 66,95095(45) | 394(9) mdtk | β− (>99,9%) | 67Co | 1/2−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 67Fe | 26 | 41 | 66,95095(45) | 394(9) mdtk | β−, n (<0,1%) | 66Co | 1/2−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 67mFe | 367(3) keV | 367(3) keV | 367(3) keV | 64(17) µdtk |  |  | (5/2−) |  |  |  |  |  |  |  |  |  |  |  |  |
| 68Fe | 26 | 42 | 67,95370(75) | 187(6) mdtk | β− (>99,9%) | 68Co | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 68Fe | 26 | 42 | 67,95370(75) | 187(6) mdtk | β−, n | 67Co | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 69Fe | 26 | 43 | 68,95878(54)# | 109(9) mdtk | β− (>99,9%) | 69Co | 1/2−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 69Fe | 26 | 43 | 68,95878(54)# | 109(9) mdtk | β−, n (<0,1%) | 68Co | 1/2−# |  |  |  |  |  |  |  |  |  |  |  |  |
| 70Fe | 26 | 44 | 69,96146(64)# | 94(17) mdtk |  |  | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
| 71Fe | 26 | 45 | 70,96672(86)# | 30# mdtk [>300 ndtk] |  |  | 7/2+# |  |  |  |  |  |  |  |  |  |  |  |  |
| 72Fe | 26 | 46 | 71,96962(86)# | 10# mdtk [>300 ndtk] |  |  | 0+ |  |  |  |  |  |  |  |  |  |  |  |  |
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↑  mFe –  Isomer nuklir tereksitasi.
↑  ( ) –  Ketidakpastian (1σ) diberikan dalam bentuk ringkas dalam tanda kurung setelah digit terakhir yang sesuai.
↑  # –  Massa atom bertanda #: nilai dan ketidakpastian yang diperoleh bukan dari data eksperimen murni, tetapi setidaknya sebagian dari tren dari Permukaan Massa (trends from the Mass Surface, TMS).
1 2  # –  Nilai yang ditandai # tidak murni berasal dari data eksperimen, tetapi setidaknya sebagian dari tren nuklida tetangga (trends of neighboring nuclides, TNN).
↑  
Mode peluruhan:


EC:Penangkapan elektron

IT:Transisi isomerik

n:Emisi neutron

p:Emisi proton
↑  Simbol tebal sebagai anak –  Produk anak stabil.
↑  ( ) nilai spin –  Menunjukkan spin dengan argumen penempatan yang lemah.
↑  Diyakini meluruh melalui β+β+ menjadi 54Cr dengan waktu paruh lebih dari 4,4×1020 a
↑  Massa per nukleon terendah dari semua nuklida; Produk akhir nukleosintesis bintang
Massa atom nuklida stabil (54Fe, 56Fe, 57Fe, dan 58Fe) diberikan oleh evaluasi massa atom AME2012. Satu kesalahan standar deviasi diberikan dalam tanda kurung setelah digit terakhir yang sesuai.