鋯（原子量：91224 2）共有 39 個同位素，其中有 4 個同位素是穩定的。 圖表 78Zr styletextalignright 40 styletextalignright 38 7795523 54 50 ms 170 ns 0 rowspan279Zr rowspan2 styletextalignright 40 rowspan2 styletextalignright 39 rowspan27894916 43 rowspan256 30 ms 78Sr rowspan252 rowspan2 rowspan2 79Y 80Zr styletextalignright 40 styletextalignright 40 799404 16 46 6 s 80Y 0 rowspan281Zr rowspan2 styletextalignright 40 rowspan2 styletextalignright 41 rowspan28093721 18 rowspan255 4 s 999 81Y rowspan232 rowspan2 rowspan2 1 80Sr 82Zr styletextalignright 40 styletextalignright 42 8193109 24 32 5 s 82Y 0 rowspan283Zr rowspan2 styletextalignright 40 rowspan2 styletextalignright 43 rowspan28292865 10 rowspan2416 24 s 999 83Y rowspan212 rowspan2 rowspan2 1 82Sr 84Zr styletextalignright 40 styletextalignright 44 8392325 21 259 7 min 84Y 0 85Zr styletextalignright 40 styletextalignright 45 8492147 11 786 4 min 85Y 72 rowspan2 styletextindent1em 85mZr rowspan2 colspan3 styletextindent2em 2922 3 keV rowspan2109 3 s IT 92 85Zr rowspan212 rowspan2 rowspan2 8 85Y 86Zr styletextalignright 40 styletextalignright 46 8591647 3 165 1 h 86Y 0 87Zr styletextalignright 40 styletextalignright 47 86914816 9 168 1 h 87Y 92 styletextindent1em 87mZr colspan3 styletextindent2em 33584 19 keV 140 2 s IT 87Zr 12 88Zr styletextalignright 40 styletextalignright 48 87910227 11 834 3 d 88Y 0 89Zr styletextalignright 40 styletextalignright 49 88908890 4 7841 12 h 89Y 92 rowspan2 styletextindent1em 89mZr rowspan2 colspan3 styletextindent2em 58782 10 keV rowspan24161 17 min IT 9377 89Zr rowspan212 rowspan2 rowspan2 623 89Y Fission product styletextalignright 40 styletextalignright 50 899047044 25 colspan3 aligncenter 0 05145 40 styletextindent1em 90m1Zr colspan3 styletextindent2em 2319000 10 keV 8092 20 ms IT 90Zr 5 styletextindent1em 90m2Zr colspan3 styletextindent2em 3589419 16 keV 131 4 ns 8 91Zr styletextalignright 40 styletextalignright 51 909056458 25 colspan3 aligncenter 52 01122 5 styletextindent1em 91mZr colspan3 styletextindent2em 31673 4 keV 435 14 µs 212 92Zr styletextalignright 40 styletextalignright 52 919050408 25 colspan3 aligncenter 0 01715 8 93ZrLonglived fission product styletextalignright 40 styletextalignright 53 929064760 25 153 10106 y 93Nb 52 94Zr styletextalignright 40 styletextalignright 54 939063152 26 colspan3 aligncenter 觀測上穩定 Believed to decay by to 94Mo with a halflife over 111017 years 0 01738 28 95Zr styletextalignright 40 styletextalignright 55 949080426 26 64032 6 d 95Nb 52 96ZrPrimordial radionuclide styletextalignright 40 styletextalignright 56 959082734 30 20 41018 y Theorized to also undergo decay to 96Nb 96Mo 0 00280 9 97Zr styletextalignright 40 styletextalignright 57 969109531 30 16744 11 h 97mNb 12 98Zr styletextalignright 40 styletextalignright 58 97912735 21 307 4 s 98Nb 0 99Zr styletextalignright 40 styletextalignright 59 98916512 22 21 1 s 99mNb 12 100Zr styletextalignright 40 styletextalignright 60 9991776 4 71 4 s 100Nb 0 101Zr styletextalignright 40 styletextalignright 61 10092114 3 23 1 s 101Nb 32 102Zr styletextalignright 40 styletextalignright 62 10192298 5 29 2 s 102Nb 0 103Zr styletextalignright 40 styletextalignright 63 10292660 12 13 1 s 103Nb 52 104Zr styletextalignright 40 styletextalignright 64 10392878 43 12 3 s 104Nb 0 rowspan2105Zr rowspan2 styletextalignright 40 rowspan2 styletextalignright 65 rowspan210493305 43 rowspan206 1 s 999 105Nb rowspan2 rowspan2 rowspan2 1 104Nb 106Zr styletextalignright 40 styletextalignright 66 10593591 54 200 ms 300 ns 106Nb 0 107Zr styletextalignright 40 styletextalignright 67 10694075 32 150 ms 300 ns 107Nb 108Zr styletextalignright 40 styletextalignright 68 10794396 64 80 ms 300 ns 108Nb 0 109Zr styletextalignright 40 styletextalignright 69 10894924 54 60 ms 300 ns 110Zr styletextalignright 40 styletextalignright 70 10995287 86 30 ms 300 ns 0 111Zr styletextalignright 40 styletextalignright 71 112Zr styletextalignright 40 styletextalignright 72 0 113Zr styletextalignright 40 styletextalignright 73 114Zr styletextalignright 40 styletextalignright 74 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 Zr Category 鋯