鉿（原子量：17849 2）的同位素，有 5 個是穩定的，以及 1 個天然放射性同位素。 圖表 153Hf styletextalignright 72 styletextalignright 81 15297069 54 400 ms 200 ns 12 styletextindent1em 153mHf colspan3 styletextindent2em 750 100 keV 500 ms 112 rowspan2154Hf rowspan2 styletextalignright 72 rowspan2 styletextalignright 82 rowspan215396486 54 rowspan22 1 s 154Lu rowspan20 rowspan2 rowspan2 （不常見） 150Yb rowspan2155Hf rowspan2 styletextalignright 72 rowspan2 styletextalignright 83 rowspan215496339 43 rowspan2890 120 ms 155Lu rowspan272 rowspan2 rowspan2 （不常見） 151Yb rowspan2156Hf rowspan2 styletextalignright 72 rowspan2 styletextalignright 84 rowspan215595936 22 rowspan223 1 ms 97 152Yb rowspan20 rowspan2 rowspan2 3 156Lu styletextindent1em 156mHf colspan3 styletextindent2em 19590 10 keV 480 40 µs 8 rowspan2157Hf rowspan2 styletextalignright 72 rowspan2 styletextalignright 85 rowspan215695840 21 rowspan2115 1 ms 86 153Yb rowspan272 rowspan2 rowspan2 14 157Lu rowspan2158Hf rowspan2 styletextalignright 72 rowspan2 styletextalignright 86 rowspan2157954799 19 rowspan2284 7 s 55 158Lu rowspan20 rowspan2 rowspan2 45 154Yb rowspan2159Hf rowspan2 styletextalignright 72 rowspan2 styletextalignright 87 rowspan2158953995 18 rowspan2520 10 s 59 159Lu rowspan272 rowspan2 rowspan2 41 155Yb rowspan2160Hf rowspan2 styletextalignright 72 rowspan2 styletextalignright 88 rowspan2159950684 12 rowspan2136 2 s 993 160Lu rowspan20 rowspan2 rowspan2 7 156Yb rowspan2161Hf rowspan2 styletextalignright 72 rowspan2 styletextalignright 89 rowspan2160950275 24 rowspan2182 5 s 997 161Lu rowspan232 rowspan2 rowspan2 3 157Yb rowspan2162Hf rowspan2 styletextalignright 72 rowspan2 styletextalignright 90 rowspan216194721 1 rowspan2394 9 s 9999 162Lu rowspan20 rowspan2 rowspan2 008 158Yb rowspan2163Hf rowspan2 styletextalignright 72 rowspan2 styletextalignright 91 rowspan216294709 3 rowspan2400 6 s 163Lu rowspan232 rowspan2 rowspan2 104 159Yb 164Hf styletextalignright 72 styletextalignright 92 163944367 22 111 8 s 164Lu 0 165Hf styletextalignright 72 styletextalignright 93 16494457 3 76 4 s 165Lu 52 166Hf styletextalignright 72 styletextalignright 94 16594218 3 677 30 min 166Lu 0 167Hf styletextalignright 72 styletextalignright 95 16694260 3 205 5 min 167Lu 52 168Hf styletextalignright 72 styletextalignright 96 16794057 3 2595 20 min 168Lu 0 169Hf styletextalignright 72 styletextalignright 97 16894126 3 324 4 min 169Lu 52 170Hf styletextalignright 72 styletextalignright 98 16993961 3 1601 13 h 170Lu 0 171Hf styletextalignright 72 styletextalignright 99 17094049 3 121 4 h 171Lu 72 styletextindent1em 171mHf colspan3 styletextindent2em 2193 9 keV 295 9 s IT 171Hf 12 172Hf styletextalignright 72 styletextalignright 100 171939448 26 187 3 y 172Lu 0 styletextindent1em 172mHf colspan3 styletextindent2em 200558 11 keV 163 3 ns 8 173Hf styletextalignright 72 styletextalignright 101 17294051 3 236 1 h 173Lu 12 174Hf 放射性同位素 styletextalignright 72 styletextalignright 102 173940046 3 170Yb 0 00016 1 00016190001621 styletextindent1em 174m1Hf colspan3 styletextindent2em 15493 keV 138 4 ns 6 styletextindent1em 174m2Hf colspan3 styletextindent2em 17975 20 keV 239 4 µs 8 styletextindent1em 174m3Hf colspan3 styletextindent2em 17975 keV 239 4 µs 8 styletextindent1em 174m4Hf colspan3 styletextindent2em 33117 keV 37 2 µs 14 175Hf styletextalignright 72 styletextalignright 103 174941509 3 70 2 d 175Lu 52 176Hf 用於鎦鉿測年法 styletextalignright 72 styletextalignright 104 1759414086 24 colspan3 aligncenter 觀測上穩定理論上可以 α 衰變成 172Yb 0 00526 7 005206005271 177Hf styletextalignright 72 styletextalignright 105 1769432207 23 colspan3 aligncenter 觀測上穩定理論上可以 α 衰變成 173Yb 72 01860 9 018593018606 styletextindent1em 177m1Hf colspan3 styletextindent2em 13154504 8 keV 109 5 s 232 styletextindent1em 177m2Hf colspan3 styletextindent2em 134238 20 keV 559 12 µs 192 styletextindent1em 177m3Hf colspan3 styletextindent2em 274002 15 keV 514 5 min 372 178Hf styletextalignright 72 styletextalignright 106 1779436988 23 colspan3 aligncenter 觀測上穩定理論上可以 α 衰變成 174Yb 0 02728 7 027278027297 styletextindent1em 178m1Hf colspan3 styletextindent2em 1147423 5 keV 40 2 s 8 styletextindent1em 178m2Hf colspan3 styletextindent2em 244569 11 keV 31 1 y 16 styletextindent1em 178m3Hf colspan3 styletextindent2em 25735 5 keV 68 2 µs 14 179Hf styletextalignright 72 styletextalignright 107 1789458161 23 colspan3 aligncenter 觀測上穩定理論上可以 α 衰變成 175Yb 92 01362 2 01361901363 styletextindent1em 179m1Hf colspan3 styletextindent2em 3750367 25 keV 1867 4 s 12 styletextindent1em 179m2Hf colspan3 styletextindent2em 110584 19 keV 2505 25 d 252 180Hf styletextalignright 72 styletextalignright 108 1799465500 23 colspan3 aligncenter 觀測上穩定理論上可以 α 衰變成 176Yb 0 03508 16 0350760351 styletextindent1em 180m1Hf colspan3 styletextindent2em 114148 4 keV 547 4 h 8 styletextindent1em 180m2Hf colspan3 styletextindent2em 137415 4 keV 057 2 µs 4 styletextindent1em 180m3Hf colspan3 styletextindent2em 24258 10 keV 15 5 µs 10 styletextindent1em 180m4Hf colspan3 styletextindent2em 24863 9 keV 10 1 µs 12 styletextindent1em 180m5Hf colspan3 styletextindent2em 25383 12 keV 10 µs 14 styletextindent1em 180m6Hf colspan3 styletextindent2em 35993 18 keV 90 10 µs 18 181Hf styletextalignright 72 styletextalignright 109 1809491012 23 4239 6 d 181Ta 12 styletextindent1em 181m1Hf colspan3 styletextindent2em 595 3 keV 80 5 µs 92 styletextindent1em 181m2Hf colspan3 styletextindent2em 1040 10 keV 100 µs 172 styletextindent1em 181m3Hf colspan3 styletextindent2em 1738 10 keV 15 5 ms 272 182Hf styletextalignright 72 styletextalignright 110 181950554 7 890 9106 y 182Ta 0 rowspan2 styletextindent1em 182mHf rowspan2 colspan3 styletextindent2em 117288 18 keV rowspan2615 15 min 58 182Ta rowspan28 rowspan2 rowspan2 IT 42 182Hf 183Hf styletextalignright 72 styletextalignright 111 18295353 3 1067 17 h 183Ta 32 184Hf styletextalignright 72 styletextalignright 112 18395545 4 412 5 h 184Ta 0 styletextindent1em 184mHf colspan3 styletextindent2em 12724 4 keV 48 10 s 184Ta 8 185Hf styletextalignright 72 styletextalignright 113 18495882 21 35 6 min 185Ta 32 186Hf styletextalignright 72 styletextalignright 114 18596089 32 26 12 min 186Ta 0 187Hf styletextalignright 72 styletextalignright 115 18696459 43 30 s 300 ns 188Hf styletextalignright 72 styletextalignright 116 18796685 54 20 s 300 ns 0 189Hf styletextalignright 72 styletextalignright 117 18897085 32 400 ms 300 ns 32 190Hf styletextalignright 72 styletextalignright 118 18997338 43 600 ms 300 ns 0 191Hf styletextalignright 72 styletextalignright 119 192Hf styletextalignright 72 styletextalignright 120 0 參考文獻 Isotope masses from Ame2003 Atomic Mass Evaluation by G Audi AH 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 683800 2003 and Atomic Weights Revised 2005 Halflife spin and isomer data selected from these sources Editing notes on this articles talk page Audi Bersillon Blachot Wapstra The Nubase2003 evaluation of nuclear and decay properties Nuc Phys A 729 pp 3128 2003 National Nuclear Data Center Brookhaven National Laboratory Information extracted from the NuDat 21 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 Hf Category 鉿