鈮（原子量：9290637 1）共有 58 個同位素，其中有 1 個同位素是穩定的。 圖表 rowspan3 rowspan3 styletextalignright 41 rowspan3 styletextalignright 40 rowspan38094903 161 rowspan344 ns 80Y rowspan332 rowspan3 80Zr 81Zr 82Nb styletextalignright 41 styletextalignright 41 8194313 32 51 5 ms 82Zr 0 83Nb styletextalignright 41 styletextalignright 42 8293671 34 41 3 s 83Zr 52 rowspan284Nb rowspan2 styletextalignright 41 rowspan2 styletextalignright 43 rowspan28393357 32 rowspan298 9 s 999 84Zr rowspan23 rowspan2 1 83Y styletextindent1em 84mNb colspan3 styletextindent2em 338 10 keV 103 19 ns 5 85Nb styletextalignright 41 styletextalignright 44 8492791 24 209 7 s 85Zr 92 styletextindent1em 85mNb colspan3 styletextindent2em 7590 10 keV 12 5 s 12 86Nb styletextalignright 41 styletextalignright 45 8592504 9 88 1 s 86Zr 6 styletextindent1em 86mNb colspan3 styletextindent2em 250 160 keV 56 8 s 86Zr high 87Nb styletextalignright 41 styletextalignright 46 8692036 7 375 9 min 87Zr 12 styletextindent1em 87mNb colspan3 styletextindent2em 384 14 keV 26 1 min 87Zr 92 88Nb styletextalignright 41 styletextalignright 47 8791833 11 1455 6 min 88Zr 8 styletextindent1em 88mNb colspan3 styletextindent2em 40 140 keV 78 1 min 88Zr 4 89Nb styletextalignright 41 styletextalignright 48 88913418 29 203 7 h 89Zr 92 styletextindent1em 89mNb colspan3 styletextindent2em 0 30 keV 110 3 h 89Zr 12 90Nb styletextalignright 41 styletextalignright 49 89911265 5 1460 5 h 90Zr 8 styletextindent1em 90m1Nb colspan3 styletextindent2em 122370 22 keV 63 2 µs 6 styletextindent1em 90m2Nb colspan3 styletextindent2em 12467 25 keV 1881 6 s IT 90Nb 4 styletextindent1em 90m3Nb colspan3 styletextindent2em 17110 10 keV 1 µs 7 styletextindent1em 90m4Nb colspan3 styletextindent2em 38201 25 keV 619 8 ms 1 styletextindent1em 90m5Nb colspan3 styletextindent2em 188021 20 keV 472 13 ns 11 rowspan291Nb rowspan2 styletextalignright 41 rowspan2 styletextalignright 50 rowspan290906996 4 rowspan2680 130 a 9998 91Zr rowspan292 rowspan2 013 91Zr rowspan3 styletextindent1em 91m1Nb rowspan3 colspan3 styletextindent2em 10460 5 keV rowspan36086 22 d IT 93 91Nb rowspan312 rowspan3 7 91Zr 0028 91Zr styletextindent1em 91m2Nb colspan3 styletextindent2em 203435 19 keV 376 12 µs 172 rowspan292Nb rowspan2 styletextalignright 41 rowspan2 styletextalignright 51 rowspan291907194 3 rowspan2347 24107 a 9995 92Zr rowspan27 rowspan2 05 92Mo styletextindent1em 92m1Nb colspan3 styletextindent2em 1355 4 keV 1015 2 d 92Zr 2 styletextindent1em 92m2Nb colspan3 styletextindent2em 2257 4 keV 59 2 µs 2 styletextindent1em 92m3Nb colspan3 styletextindent2em 22033 4 keV 167 4 ns 11 styletextalignright 41 styletextalignright 52 929063781 26 colspan3 aligncenter 穩定 92 10000 styletextindent1em 93mNb colspan3 styletextindent2em 3077 2 keV 1613 14 a IT 93Nb 12 94Nb styletextalignright 41 styletextalignright 53 939072839 26 203 16104 a 94Mo 6 rowspan2 styletextindent1em 94mNb rowspan2 colspan3 styletextindent2em 40902 12 keV rowspan26263 4 min IT 995 94Nb rowspan23 rowspan2 5 94Mo 95Nb styletextalignright 41 styletextalignright 54 949068358 21 34991 6 d 95Mo 92 rowspan2 styletextindent1em 95mNb rowspan2 colspan3 styletextindent2em 235690 20 keV rowspan2361 3 d IT 944 95Nb rowspan212 rowspan2 56 95Mo 96Nb styletextalignright 41 styletextalignright 55 95908101 4 2335 5 h 96Mo 6 97Nb styletextalignright 41 styletextalignright 56 969080986 27 721 7 min 97Mo 92 styletextindent1em 97mNb colspan3 styletextindent2em 74335 3 keV 527 18 s IT 97Nb 12 98Nb styletextalignright 41 styletextalignright 57 97910328 6 286 6 s 98Mo 1 rowspan2 styletextindent1em 98mNb rowspan2 colspan3 styletextindent2em 84 4 keV rowspan2513 4 min 999 98Mo rowspan25 rowspan2 IT 1 98Nb 99Nb styletextalignright 41 styletextalignright 58 98911618 14 150 2 s 99Mo 92 rowspan2 styletextindent1em 99mNb rowspan2 colspan3 styletextindent2em 36529 14 keV rowspan226 2 min 962 99Mo rowspan212 rowspan2 IT 38 99Nb 100Nb styletextalignright 41 styletextalignright 59 99914182 28 15 2 s 100Mo 1 styletextindent1em 100mNb colspan3 styletextindent2em 470 40 keV 299 11 s 100Mo 45 101Nb styletextalignright 41 styletextalignright 60 100915252 20 71 3 s 101Mo 52 102Nb styletextalignright 41 styletextalignright 61 10191804 4 13 2 s 102Mo 1 styletextindent1em 102mNb colspan3 styletextindent2em 130 50 keV 43 4 s 102Mo high 103Nb styletextalignright 41 styletextalignright 62 10291914 7 15 2 s 103Mo 52 rowspan2104Nb rowspan2 styletextalignright 41 rowspan2 styletextalignright 63 rowspan210392246 11 rowspan249 3 s 9994 104Mo rowspan21 rowspan2 06 103Mo rowspan2 styletextindent1em 104mNb rowspan2 colspan3 styletextindent2em 220 120 keV rowspan2940 40 ms 9995 104Mo rowspan2high rowspan2 05 103Mo rowspan2105Nb rowspan2 styletextalignright 41 rowspan2 styletextalignright 64 rowspan210492394 11 rowspan2295 6 s 983 105Mo rowspan252 rowspan2 17 104Mo rowspan2106Nb rowspan2 styletextalignright 41 rowspan2 styletextalignright 65 rowspan210592797 21 rowspan2920 40 ms 955 106Mo rowspan22 rowspan2 45 105Mo rowspan2107Nb rowspan2 styletextalignright 41 rowspan2 styletextalignright 66 rowspan210693031 43 rowspan2300 9 ms 94 107Mo rowspan252 rowspan2 6 106Mo rowspan2108Nb rowspan2 styletextalignright 41 rowspan2 styletextalignright 67 rowspan210793484 32 rowspan20193 17 s 938 108Mo rowspan22 rowspan2 62 107Mo rowspan2109Nb rowspan2 styletextalignright 41 rowspan2 styletextalignright 68 rowspan210893763 54 rowspan2190 30 ms 69 109Mo rowspan252 rowspan2 69 108Mo rowspan2110Nb rowspan2 styletextalignright 41 rowspan2 styletextalignright 69 rowspan210994244 54 rowspan2170 20 ms 60 110Mo rowspan22 rowspan2 40 109Mo 111Nb styletextalignright 41 styletextalignright 70 11094565 54 80 ms 300 ns 52 112Nb styletextalignright 41 styletextalignright 71 11195083 75 60 ms 300 ns 2 113Nb styletextalignright 41 styletextalignright 72 11295470 86 30 ms 300 ns 52 114Nb styletextalignright 41 styletextalignright 73 115Nb styletextalignright 41 styletextalignright 74 116Nb styletextalignright 41 styletextalignright 75 117Nb styletextalignright 41 styletextalignright 76 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 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 Nb Category 鈮