鍺（，原子量：72630 8）共有 45 個同位素，其中有 4 個同位素是穩定的。 圖表 58Ge styletextalignright 32 styletextalignright 26 5799101 34 2 56Zn 0 59Ge styletextalignright 32 styletextalignright 27 5898175 30 2 57Zn 72 rowspan260Ge rowspan2 styletextalignright 32 rowspan2 styletextalignright 28 rowspan25997019 25 rowspan230 ms 60Ga rowspan20 rowspan2 2 58Zn rowspan261Ge rowspan2 styletextalignright 32 rowspan2 styletextalignright 29 rowspan26096379 32 rowspan239 12 ms 80 60Zn rowspan232 rowspan2 20 61Ga 62Ge styletextalignright 32 styletextalignright 30 6195465 15 129 35 ms 62Ga 0 63Ge styletextalignright 32 styletextalignright 31 6294964 21 142 8 ms 63Ga 32 64Ge styletextalignright 32 styletextalignright 32 6394165 3 637 25 s 64Ga 0 rowspan265Ge rowspan2 styletextalignright 32 rowspan2 styletextalignright 33 rowspan26493944 11 rowspan2309 5 s 9999 65Ga rowspan232 rowspan2 01 64Zn 66Ge styletextalignright 32 styletextalignright 34 6593384 3 226 5 h 66Ga 0 67Ge styletextalignright 32 styletextalignright 35 66932734 5 189 3 min 67Ga 12 styletextindent1em 67m1Ge colspan3 styletextindent2em 1820 5 keV 137 9 µs 52 styletextindent1em 67m2Ge colspan3 styletextindent2em 75170 6 keV 1109 14 ns 92 68GeUsed to generate 68Ga styletextalignright 32 styletextalignright 36 67928094 7 27095 16 d 68Ga 0 69Ge styletextalignright 32 styletextalignright 37 689279645 14 3905 10 h 69Ga 52 styletextindent1em 69m1Ge colspan3 styletextindent2em 86765 14 keV 51 2 µs 12 styletextindent1em 69m2Ge colspan3 styletextindent2em 397944 18 keV 281 5 µs 92 70Ge styletextalignright 32 styletextalignright 38 699242474 11 colspan3 aligncenter 0 02052 19 71Ge styletextalignright 32 styletextalignright 39 709249510 11 1143 3 d 71Ga 12 styletextindent1em 71mGe colspan3 styletextindent2em 198367 10 keV 2040 17 ms IT 71Ge 92 72Ge styletextalignright 32 styletextalignright 40 719220758 18 colspan3 aligncenter 0 02745 15 styletextindent1em 72mGe colspan3 styletextindent2em 69143 4 keV 4442 8 ns 0 73Ge styletextalignright 32 styletextalignright 41 729234589 18 colspan3 aligncenter 92 00776 8 styletextindent1em 73m1Ge colspan3 styletextindent2em 132845 15 keV 292 3 µs 52 styletextindent1em 73m2Ge colspan3 styletextindent2em 66726 9 keV 499 11 ms 12 styletextalignright 32 styletextalignright 42 739211778 18 colspan3 aligncenter 0 03652 12 75Ge styletextalignright 32 styletextalignright 43 749228589 18 8278 4 min 75As 12 rowspan2 styletextindent1em 75m1Ge rowspan2 colspan3 styletextindent2em 13969 3 keV rowspan2477 5 s IT 9997 75Ge rowspan272 rowspan2 75As styletextindent1em 75m2Ge colspan3 styletextindent2em 19218 7 keV 216 5 ns 52 76GePrimordial radionuclide styletextalignright 32 styletextalignright 44 759214026 18 178 81021 y 76Se 0 00775 12 77Ge styletextalignright 32 styletextalignright 45 769235486 18 1130 1 h 77As 72 rowspan2 styletextindent1em 77mGe rowspan2 colspan3 styletextindent2em 15970 10 keV rowspan2529 6 s 79 77As rowspan212 rowspan2 IT 21 77Ge 78Ge styletextalignright 32 styletextalignright 46 77922853 4 88 1 min 78As 0 79Ge styletextalignright 32 styletextalignright 47 789254 1 1898 3 s 79As 12 rowspan2 styletextindent1em 79mGe rowspan2 colspan3 styletextindent2em 18595 4 keV rowspan2390 10 s 96 79As rowspan272 rowspan2 IT 4 79Ge 80Ge styletextalignright 32 styletextalignright 48 7992537 3 295 4 s 80As 0 81Ge styletextalignright 32 styletextalignright 49 8092882 13 76 6 s 81As 92 rowspan2 styletextindent1em 81mGe rowspan2 colspan3 styletextindent2em 67913 4 keV rowspan276 6 s 99 81As rowspan212 rowspan2 IT 1 81Ge 82Ge styletextalignright 32 styletextalignright 50 8192955 26 455 5 s 82As 0 83Ge styletextalignright 32 styletextalignright 51 8293462 21 185 6 s 83As 52 rowspan284Ge rowspan2 styletextalignright 32 rowspan2 styletextalignright 52 rowspan28393747 32 rowspan20947 11 s 892 84As rowspan20 rowspan2 108 83As rowspan285Ge rowspan2 styletextalignright 32 rowspan2 styletextalignright 53 rowspan28494303 43 rowspan2535 47 ms 86 85As rowspan252 rowspan2 14 84As rowspan286Ge rowspan2 styletextalignright 32 rowspan2 styletextalignright 54 rowspan28594649 54 rowspan2150 ns 85As rowspan20 rowspan2 86As 87Ge styletextalignright 32 styletextalignright 55 8695251 54 014 s 52 88Ge styletextalignright 32 styletextalignright 56 8795691 75 300 ns 0 89Ge styletextalignright 32 styletextalignright 57 8896383 97 150 ns 32 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 Ge Category 鍺