鐵個同位素

铁有34種同位素，裏向有3種是穩定個。

 圖表 
符號 Z（p） N（n） 質量（u） 半衰期 原子核自旋 相對豐度 相對豐度嘅變化率 激發能量 45Fe 26 19 45.01458(24)# 4.9(15) ms [3.8(+20-8) ms] 3/2+# 46Fe 26 20 46.00081(38)# 9(4) ms [12(+4-3) ms] 0+ 47Fe 26 21 46.99289(28)# 21.8(7) ms 7/2-# 48Fe 26 22 47.98050(8)# 44(7) ms 0+ 49Fe 26 23 48.97361(16)# 70(3) ms (7/2-) 50Fe 26 24 49.96299(6) 155(11) ms 0+ 51Fe 26 25 50.956820(16) 305(5) ms 5/2- 52Fe 26 26 51.948114(7) 8.275(8) h 0+  52mFe 6.81(13) MeV 45.9(6) s (12+)# 53Fe 26 27 52.9453079(19) 8.51(2) min 7/2-  53mFe 3040.4(3) keV 2.526(24) min 19/2- 54Fe 26 28 53.9396105(7) 穩定 [>3.1E+22 a] 0+ 0.05845(35) 0.05837-0.05861 54mFe 6526.9(6) keV 364(7) ns 10+ 55Fe 26 29 54.9382934(7) 2.737(11) a 3/2- 56Fe 26 30 55.9349375(7) 穩定 0+ 0.91754(36) 0.91742-0.91760 57Fe 26 31 56.9353940(7) 穩定 1/2- 0.02119(10) 0.02116-0.02121 58Fe 26 32 57.9332756(8) 穩定 0+ 0.00282(4) 0.00281-0.00282 59Fe 26 33 58.9348755(8) 44.495(9) d 3/2- 60Fe 26 34 59.934072(4) 1.5(3)E+6 a 0+ 61Fe 26 35 60.936745(21) 5.98(6) min 3/2-,5/2- 61mFe 861(3) keV 250(10) ns 9/2+# 62Fe 26 36 61.936767(16) 68(2) s 0+ 63Fe 26 37 62.94037(18) 6.1(6) s (5/2)- 64Fe 26 38 63.9412(3) 2.0(2) s 0+ 65Fe 26 39 64.94538(26) 1.3(3) s 1/2-# 65mFe 364(3) keV 430(130) ns (5/2-) 66Fe 26 40 65.94678(32) 440(40) ms 0+ 67Fe 26 41 66.95095(45) 394(9) ms 1/2-# 67mFe 367(3) keV 64(17) µs (5/2-) 68Fe 26 42 67.95370(75) 187(6) ms 0+ 69Fe 26 43 68.95878(54)# 109(9) ms 1/2-# 70Fe 26 44 69.96146(64)# 94(17) ms 0+ 71Fe 26 45 70.96672(86)# 30# ms [>300 ns] 7/2+# 72Fe 26 46 71.96962(86)# 10# ms [>300 ns] 0+

備註：有#個數據代表朆經過實驗個證明，只必過是理論推測，用括號括起來個代表數據弗確定。

 參攷 
 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).
 Isotopic compositions and standard atomic masses from Atomic weights of the elements. Review 2000 (IUPAC Technical Report). Pure Appl. Chem. Vol. 75, No. 6, pp. 683-800, (2003) and 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. 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 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.

Category:同位素
Category:鐵