鎘（原子量：112411 8）共有 50 個同位素，其中有 6 個同位素是穩定的。 圖表 95CdG Audi O Bersillon J Blachot AH Wapstra The Nubase2003 evaluation of nuclear and decay properties Nuc Phys A 729 p 3128 2003National Nuclear Data Center Brookhaven National Laboratory information extracted from the NuDat 21 database Retrieved Sept 2005 from the code of the popup boxes styletextalignright 48 styletextalignright 47 9494987 64 5 ms 92 96Cd styletextalignright 48 styletextalignright 48 9593977 54 1 s 96Ag 0 rowspan297CdDavid 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 rowspan2 styletextalignright 48 rowspan2 styletextalignright 49 rowspan29693494 43 rowspan228 6 s 999 97Ag rowspan292 rowspan2 rowspan2 1 96Pd rowspan298Cd rowspan2 styletextalignright 48 rowspan2 styletextalignright 50 rowspan29792740 8 rowspan292 3 s 99975 98Ag rowspan20 rowspan2 rowspan2 025 97Ag styletextindent1em 98mCd colspan3 styletextindent2em 24275 6 keV 190 20 ns 8 rowspan399Cd rowspan3 styletextalignright 48 rowspan3 styletextalignright 51 rowspan39892501 22 rowspan316 3 s 9978 99Ag rowspan352 rowspan3 rowspan3 21 98Pd α 104 94Rh 100Cd styletextalignright 48 styletextalignright 52 9992029 10 491 5 s 100Ag 0 101Cd styletextalignright 48 styletextalignright 53 10091868 16 136 5 min 101Ag 52 102Cd styletextalignright 48 styletextalignright 54 10191446 3 55 5 min 102Ag 0 103Cd styletextalignright 48 styletextalignright 55 102913419 17 73 1 min 103Ag 52 104Cd styletextalignright 48 styletextalignright 56 103909849 10 577 10 min 104Ag 0 105Cd styletextalignright 48 styletextalignright 57 104909468 12 555 4 min 105Ag 52 106Cd styletextalignright 48 styletextalignright 58 105906459 6 colspan3 aligncenter 觀測上穩定被認為會雙 β 衰變成 106Pd，半衰期超過 411020 年 0 00125 6 107Cd styletextalignright 48 styletextalignright 59 106906618 6 650 2 h 107mAg 52 108Cd styletextalignright 48 styletextalignright 60 107904184 6 colspan3 aligncenter 觀測上穩定被認為會雙 β 衰變成 108Pd，半衰期超過 411017 年 0 00089 3 109Cd styletextalignright 48 styletextalignright 61 108904982 4 4614 12 d 109Ag 52 styletextindent1em 109m1Cd colspan3 styletextindent2em 596 4 keV 12 2 µs 12 styletextindent1em 109m2Cd colspan3 styletextindent2em 4630 5 keV 109 5 µs 112 110Cd styletextalignright 48 styletextalignright 62 1099030021 29 colspan3 aligncenter 0 01249 18 111Cd 裂變產物 styletextalignright 48 styletextalignright 63 1109041781 29 colspan3 aligncenter 12 01280 12 styletextindent1em 111mCd colspan3 styletextindent2em 396214 21 keV 4850 9 min IT 111Cd 112 112Cd styletextalignright 48 styletextalignright 64 1119027578 29 colspan3 aligncenter 0 02413 21 113Cd 放射性同位素 styletextalignright 48 styletextalignright 65 1129044017 29 804 51015 a 113In 12 01222 12 rowspan2 styletextindent1em 113mCd rowspan2 colspan3 styletextindent2em 26354 3 keV rowspan2141 5 a 9986 113In rowspan2112 rowspan2 rowspan2 IT 139 113Cd styletextalignright 48 styletextalignright 66 1139033585 29 colspan3 aligncenter 觀測上穩定被認為會雙 β 衰變成 114Sn，半衰期超過 641018 年 0 02873 42 115Cd styletextalignright 48 styletextalignright 67 1149054310 29 5346 5 h 115mIn 12 styletextindent1em 115mCd colspan3 styletextindent2em 1810 5 keV 4456 24 d 115mIn 112 116Cd styletextalignright 48 styletextalignright 68 115904756 3 31 41019 a 116Sn 0 00749 18 117Cd styletextalignright 48 styletextalignright 69 116907219 4 249 4 h 117mIn 12 styletextindent1em 117mCd colspan3 styletextindent2em 1364 2 keV 336 5 h 117mIn 112 118Cd styletextalignright 48 styletextalignright 70 117906915 22 503 2 min 118In 0 119Cd styletextalignright 48 styletextalignright 71 11890992 9 269 2 min 119mIn 32 styletextindent1em 119mCd colspan3 styletextindent2em 14654 11 keV 220 2 min 119mIn 112 120Cd styletextalignright 48 styletextalignright 72 11990985 2 5080 21 s 120In 0 121Cd styletextalignright 48 styletextalignright 73 12091298 9 135 3 s 121mIn 32 styletextindent1em 121mCd colspan3 styletextindent2em 21486 15 keV 83 8 s 121mIn 112 122Cd styletextalignright 48 styletextalignright 74 12191333 5 524 3 s 122In 0 123Cd styletextalignright 48 styletextalignright 75 12291700 4 210 2 s 123mIn 32 rowspan2 styletextindent1em 123mCd rowspan2 colspan3 styletextindent2em 31652 23 keV rowspan2182 3 s 123In rowspan2112 rowspan2 rowspan2 IT 23Cd 124Cd styletextalignright 48 styletextalignright 76 12391765 7 125 2 s 124In 0 125Cd styletextalignright 48 styletextalignright 77 12492125 7 065 2 s 125mIn 32 styletextindent1em 125mCd colspan3 styletextindent2em 50 70 keV 570 90 ms 125In 112 126Cd styletextalignright 48 styletextalignright 78 12592235 6 0515 17 s 126In 0 127Cd styletextalignright 48 styletextalignright 79 12692644 8 037 7 s 127mIn 32 128Cd styletextalignright 48 styletextalignright 80 12792776 32 028 4 s 128In 0 rowspan2129Cd rowspan2 styletextalignright 48 rowspan2 styletextalignright 81 rowspan212893215 32 rowspan2242 8 ms 999 129In rowspan232 rowspan2 rowspan2 IT 1 129Cd styletextindent1em 129mCd colspan3 styletextindent2em 0 200 keV 104 6 ms 112 rowspan2130Cd rowspan2 styletextalignright 48 rowspan2 styletextalignright 82 rowspan21299339 3 rowspan2162 7 ms 96 130In rowspan20 rowspan2 rowspan2 4 129In 131Cd styletextalignright 48 styletextalignright 83 13094067 32 68 3 ms 72 132Cd styletextalignright 48 styletextalignright 84 13194555 54 97 10 ms 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 Cd