鉈（原子量：2043833 2）的同位素，其中有 2 個是穩定的。 圖表 rowspan2176Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 95 rowspan217600059 21 rowspan2 （63） 175Hg rowspan23 4 5 rowspan2 rowspan2 （37） 172Au rowspan2 styletextindent1em 176mTl rowspan2 rowspan2 colspan3 styletextindent2em 671 keV rowspan2 （50） 175Hg rowspan2 rowspan2 rowspan2 （50） 172mAu rowspan2177Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 96 rowspan2176996427 27 rowspan218 5 ms 176Hg rowspan212 rowspan2 rowspan2 （不常見） 173Au rowspan2 styletextindent1em 177mTl rowspan2 rowspan2 colspan3 styletextindent2em 807 18 keV rowspan2230 40 µs 176Hg rowspan2112 rowspan2 rowspan2 173Au rowspan2178Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 97 rowspan217799490 12 rowspan2255 10 ms 174Au rowspan2 rowspan2 rowspan2 （不常見） 177Hg rowspan2179Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 98 rowspan217899109 5 rowspan2270 30 ms 175Au rowspan212 rowspan2 rowspan2 （不常見） 178Hg rowspan2 styletextindent1em 179mTl rowspan2 rowspan2 colspan3 styletextindent2em 860 30 keV rowspan2160 16 ms 175Au rowspan292 rowspan2 rowspan2 IT （不常見） 179Tl rowspan3180Tl rowspan3 rowspan3 styletextalignright 81 rowspan3 styletextalignright 99 rowspan317998991 13 rowspan315 2 s 75 176Au rowspan3 rowspan3 rowspan3 25 180Hg EC， 104 100Ru 80Kr rowspan2181Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 100 rowspan2180986257 10 rowspan232 3 s 177Au rowspan212 rowspan2 rowspan2 181Hg rowspan2 styletextindent1em 181mTl rowspan2 rowspan2 colspan3 styletextindent2em 857 29 keV rowspan217 4 ms 177Au rowspan292 rowspan2 rowspan2 181Hg rowspan2182Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 101 rowspan218198567 8 rowspan220 3 s 96 182Hg rowspan22 rowspan2 rowspan2 4 178Au rowspan2 styletextindent1em 182m1Tl rowspan2 rowspan2 colspan3 styletextindent2em 100 100 keV rowspan229 5 s 178Au rowspan27 rowspan2 rowspan2 （不常見） 182Hg styletextindent1em 182m2Tl colspan3 styletextindent2em 600 140 keV 10 rowspan2183Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 102 rowspan2182982193 10 rowspan269 7 s 98 183Hg rowspan212 rowspan2 rowspan2 2 179Au rowspan2 styletextindent1em 183m1Tl rowspan2 rowspan2 colspan3 styletextindent2em 630 17 keV rowspan2533 3 ms IT 9999 183Tl rowspan292 rowspan2 rowspan2 01 179Au styletextindent1em 183m2Tl colspan3 styletextindent2em 9768 3 keV 148 10 µs 132 184Tl styletextalignright 81 styletextalignright 103 18398187 5 97 6 s 184Hg 2 rowspan2 styletextindent1em 184m1Tl rowspan2 rowspan2 colspan3 styletextindent2em 100 100 keV rowspan210 s 979 184Hg rowspan27 rowspan2 rowspan2 21 180Au styletextindent1em 184m2Tl colspan3 styletextindent2em 500 140 keV 20 ns 10 rowspan2185Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 104 rowspan218497879 6 rowspan2195 5 s 181Au rowspan212 rowspan2 rowspan2 185Hg rowspan3 styletextindent1em 185mTl rowspan3 rowspan3 colspan3 styletextindent2em 4528 20 keV rowspan3193 8 s IT 9999 185Tl rowspan392 rowspan3 rowspan3 01 181Au 185Hg rowspan2186Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 105 rowspan218597833 20 rowspan240 s 186Hg rowspan22 rowspan2 rowspan2 006 182Au styletextindent1em 186m1Tl colspan3 styletextindent2em 320 180 keV 275 10 s 186Hg 7 styletextindent1em 186m2Tl colspan3 styletextindent2em 690 180 keV 29 2 s 10 rowspan2187Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 106 rowspan2186975906 9 rowspan251 s 187Hg rowspan212 rowspan2 rowspan2 （不常見） 183Au rowspan3 styletextindent1em 187mTl rowspan3 rowspan3 colspan3 styletextindent2em 335 3 keV rowspan31560 12 s 183Au rowspan392 rowspan3 rowspan3 IT 187Tl 187Hg 188Tl styletextalignright 81 styletextalignright 107 18797601 4 71 2 s 188Hg 2 styletextindent1em 188m1Tl colspan3 styletextindent2em 40 30 keV 71 1 s 188Hg 7 styletextindent1em 188m2Tl colspan3 styletextindent2em 310 30 keV 41 4 ms 9 189Tl styletextalignright 81 styletextalignright 108 188973588 12 23 2 min 189Hg 12 rowspan2 styletextindent1em 189mTl rowspan2 rowspan2 colspan3 styletextindent2em 2576 13 keV rowspan214 1 min 96 189Hg rowspan292 rowspan2 rowspan2 IT 4 189Tl 190Tl styletextalignright 81 styletextalignright 109 18997388 5 26 3 min 190Hg 2 styletextindent1em 190m1Tl colspan3 styletextindent2em 130 90 keV 37 3 min 190Hg 7 styletextindent1em 190m2Tl colspan3 styletextindent2em 290 70 keV 750 40 µs 8 styletextindent1em 190m3Tl colspan3 styletextindent2em 410 70 keV 1 µs 9 191Tl styletextalignright 81 styletextalignright 110 190971786 8 20 min 191Hg 12 styletextindent1em 191mTl colspan3 styletextindent2em 297 7 keV 522 16 min 191Hg 92 192Tl styletextalignright 81 styletextalignright 111 19197223 3 96 4 min 192Hg 2 styletextindent1em 192m1Tl colspan3 styletextindent2em 160 50 keV 108 2 min 192Hg 7 styletextindent1em 192m2Tl colspan3 styletextindent2em 407 54 keV 296 5 ns 8 193Tl styletextalignright 81 styletextalignright 112 19297067 12 216 8 min 193Hg 12 rowspan2 styletextindent1em 193mTl rowspan2 rowspan2 colspan3 styletextindent2em 369 4 keV rowspan2211 15 min IT 75 193Tl rowspan292 rowspan2 rowspan2 25 193Hg rowspan2194Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 113 rowspan219397120 15 rowspan2330 5 min 194Hg rowspan22 rowspan2 rowspan2 107 190Au styletextindent1em 194mTl colspan3 styletextindent2em 300 200 keV 328 2 min 194Hg 7 195Tl styletextalignright 81 styletextalignright 114 194969774 15 116 5 h 195Hg 12 styletextindent1em 195mTl colspan3 styletextindent2em 48263 17 keV 36 4 s IT 195Tl 92 196Tl styletextalignright 81 styletextalignright 115 195970481 13 184 3 h 196Hg 2 rowspan2 styletextindent1em 196mTl rowspan2 rowspan2 colspan3 styletextindent2em 3942 5 keV rowspan2141 2 h 955 196Hg rowspan27 rowspan2 rowspan2 IT 45 196Tl 197Tl styletextalignright 81 styletextalignright 116 196969575 18 284 4 h 197Hg 12 styletextindent1em 197mTl colspan3 styletextindent2em 60822 8 keV 540 10 ms IT 197Tl 92 198Tl styletextalignright 81 styletextalignright 117 19797048 9 53 5 h 198Hg 2 rowspan2 styletextindent1em 198m1Tl rowspan2 rowspan2 colspan3 styletextindent2em 5435 4 keV rowspan2187 3 h 54 198Hg rowspan27 rowspan2 rowspan2 IT 46 198Tl styletextindent1em 198m2Tl colspan3 styletextindent2em 6872 5 keV 150 40 ns 5 styletextindent1em 198m3Tl colspan3 styletextindent2em 7423 4 keV 321 10 ms 10 199Tl styletextalignright 81 styletextalignright 118 19896988 3 742 8 h 199Hg 12 styletextindent1em 199mTl colspan3 styletextindent2em 7497 3 keV 284 2 ms IT 199Tl 92 200Tl styletextalignright 81 styletextalignright 119 199970963 6 261 1 h 200Hg 2 styletextindent1em 200m1Tl colspan3 styletextindent2em 7536 2 keV 343 10 ms IT 200Tl 7 styletextindent1em 200m2Tl colspan3 styletextindent2em 7620 2 keV 033 5 µs 5 201Tl 用於中 styletextalignright 81 styletextalignright 120 200970819 16 72912 17 h 201Hg 12 styletextindent1em 201mTl colspan3 styletextindent2em 91950 9 keV 2035 7 ms IT 201Tl 92 202Tl styletextalignright 81 styletextalignright 121 201972106 16 1223 2 d 202Hg 2 styletextindent1em 202mTl colspan3 styletextindent2em 95019 10 keV 572 7 µs 7 203Tl styletextalignright 81 styletextalignright 122 2029723442 14 colspan3 aligncenter 觀測上穩定被認為會 α 衰變成 199Au 12 029515 44 02944 02959 styletextindent1em 203mTl colspan3 styletextindent2em 3400 300 keV 77 5 µs 252 rowspan2204Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 123 rowspan22039738635 13 rowspan2378 2 y 971 204Pb rowspan22 rowspan2 rowspan2 29 204Hg styletextindent1em 204m1Tl colspan3 styletextindent2em 11040 4 keV 63 2 µs 7 styletextindent1em 204m2Tl colspan3 styletextindent2em 2500 500 keV 26 2 µs 12 styletextindent1em 204m3Tl colspan3 styletextindent2em 3500 500 keV 16 2 µs 20 205Tl 錼衰變鏈的最終衰變產物 styletextalignright 81 styletextalignright 124 2049744275 14 colspan3 aligncenter 觀測上穩定被認為會 α 衰變成 201Au 12 070485 44 07041 07056 styletextindent1em 205m1Tl colspan3 styletextindent2em 329063 17 keV 26 2 µs 252 styletextindent1em 205m2Tl colspan3 styletextindent2em 48356 15 keV 235 10 ns 352 206Tl Radium E styletextalignright 81 styletextalignright 125 2059761103 15 4200 17 min 206Pb 0 痕量 238U 的衰變產物 styletextindent1em 206mTl colspan3 styletextindent2em 264311 19 keV 374 3 min IT 206Tl 12 207Tl Actinium C styletextalignright 81 styletextalignright 126 206977419 6 477 2 min 207Pb 12 痕量 235U 的衰變產物 rowspan2 styletextindent1em 207mTl rowspan2 rowspan2 colspan3 styletextindent2em 13481 3 keV rowspan2133 11 s IT 999 207Tl rowspan2112 rowspan2 rowspan2 1 207Pb 208Tl Thorium C styletextalignright 81 styletextalignright 127 2079820187 21 3053 4 min 208Pb 5 痕量 232Th 的衰變產物 209Tl styletextalignright 81 styletextalignright 128 208985359 8 2161 7 min 209Pb 12 rowspan2210Tl rowspan2Radium C rowspan2 styletextalignright 81 rowspan2 styletextalignright 129 rowspan2209990074 12 rowspan2130 3 min 99991 210Pb rowspan25 rowspan2 痕量 rowspan2 009 209Pb rowspan2211Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 130 rowspan2210993480 50 rowspan280 16 s β 978 211Pb rowspan212 rowspan2 rowspan2 β n 22 210Pb rowspan2212Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 131 rowspan2211998340 220 rowspan231 8 s β 982 212Pb rowspan25 rowspan2 rowspan2 β n 18 211Pb rowspan2213Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 132 rowspan2213001915 29 rowspan224 4 s β 924 213Pb rowspan212 rowspan2 rowspan2 β n 76 212Pb rowspan2214Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 133 rowspan2214006940 210 rowspan211 2 s β 66 214Pb rowspan25 rowspan2 rowspan2 β n 34 213Pb rowspan2215Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 134 rowspan2215010640 320 rowspan210 4 s β 954 215Pb rowspan212 rowspan2 rowspan2 β n 46 214Pb rowspan2216Tl rowspan2 rowspan2 styletextalignright 81 rowspan2 styletextalignright 135 rowspan2216015800 320 rowspan26 3 s β 216Pb rowspan25 rowspan2 rowspan2 β n 115 215Pb 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 Tl Category 鉈