탈륨 동위 원소
표

| 핵종 기호 | 과거 명칭 | Z(p)> 들뜬 에너지 | N(n)> 들뜬 에너지 |   동위 원소 질량 (u)  > 들뜬 에너지 | 반감기 | 붕괴 방식 | 붕괴 생성물 | 핵 스핀 | 전형적 동위 원소 구성비 (몰 분율) | 자연적 구성비 변동 범위 (몰 분율) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 176Tl |  | 81 | 95 | 176.00059(21)# | 5.2(+30-14) ms |  |  | (3-,4-,5-) |  |  |
| 177Tl |  | 81 | 96 | 176.996427(27) | 18(5) ms | p | 176Hg | (1/2+) |  |  |
| 177Tl |  | 81 | 96 | 176.996427(27) | 18(5) ms | α (드묾) | 173Au | (1/2+) |  |  |
| 177mTl |  | 807(18) keV | 807(18) keV | 807(18) keV | 230(40) µs | p | 176Hg | (11/2-) |  |  |
| 177mTl |  | 807(18) keV | 807(18) keV | 807(18) keV | 230(40) µs | α | 173Au | (11/2-) |  |  |
| 178Tl |  | 81 | 97 | 177.99490(12)# | 255(10) ms | α | 174Au |  |  |  |
| 178Tl |  | 81 | 97 | 177.99490(12)# | 255(10) ms | p (드묾) | 177Hg |  |  |  |
| 179Tl |  | 81 | 98 | 178.99109(5) | 270(30) ms | α | 175Au | (1/2+) |  |  |
| 179Tl |  | 81 | 98 | 178.99109(5) | 270(30) ms | p (드묾) | 178Hg | (1/2+) |  |  |
| 179mTl |  | 860(30)# keV | 860(30)# keV | 860(30)# keV | 1.60(16) ms | α | 175Au | (9/2-) |  |  |
| 179mTl |  | 860(30)# keV | 860(30)# keV | 860(30)# keV | 1.60(16) ms | IT (드묾) | 179Tl | (9/2-) |  |  |
| 180Tl |  | 81 | 99 | 179.98991(13)# | 1.5(2) s | α (75%) | 176Au |  |  |  |
| 180Tl |  | 81 | 99 | 179.98991(13)# | 1.5(2) s | β+ (25%) | 180Hg |  |  |  |
| 180Tl |  | 81 | 99 | 179.98991(13)# | 1.5(2) s | SF (10−4%) | 100Ru, 80Kr |  |  |  |
| 181Tl |  | 81 | 100 | 180.986257(10) | 3.2(3) s | α | 177Au | 1/2+# |  |  |
| 181Tl |  | 81 | 100 | 180.986257(10) | 3.2(3) s | β+ | 181Hg | 1/2+# |  |  |
| 181mTl |  | 857(29) keV | 857(29) keV | 857(29) keV | 1.7(4) ms | α | 177Au | 9/2-# |  |  |
| 181mTl |  | 857(29) keV | 857(29) keV | 857(29) keV | 1.7(4) ms | β+ | 181Hg | 9/2-# |  |  |
| 182Tl |  | 81 | 101 | 181.98567(8) | 2.0(3) s | β+ (96%) | 182Hg | 2-# |  |  |
| 182Tl |  | 81 | 101 | 181.98567(8) | 2.0(3) s | α (4%) | 178Au | 2-# |  |  |
| 182m1Tl |  | 100(100)# keV | 100(100)# keV | 100(100)# keV | 2.9(5) s | α | 178Au | (7+) |  |  |
| 182m1Tl |  | 100(100)# keV | 100(100)# keV | 100(100)# keV | 2.9(5) s | β+ (드묾) | 182Hg | (7+) |  |  |
| 182m2Tl |  | 600(140)# keV | 600(140)# keV | 600(140)# keV |  |  |  | 10- |  |  |
| 183Tl |  | 81 | 102 | 182.982193(10) | 6.9(7) s | β+ (98%) | 183Hg | 1/2+# |  |  |
| 183Tl |  | 81 | 102 | 182.982193(10) | 6.9(7) s | α (2%) | 179Au | 1/2+# |  |  |
| 183m1Tl |  | 630(17) keV | 630(17) keV | 630(17) keV | 53.3(3) ms | IT (99.99%) | 183Tl | 9/2-# |  |  |
| 183m1Tl |  | 630(17) keV | 630(17) keV | 630(17) keV | 53.3(3) ms | α (0.01%) | 179Au | 9/2-# |  |  |
| 183m2Tl |  | 976.8(3) keV | 976.8(3) keV | 976.8(3) keV | 1.48(10) µs |  |  | (13/2+) |  |  |
| 184Tl |  | 81 | 103 | 183.98187(5) | 9.7(6) s | β+ | 184Hg | 2-# |  |  |
| 184m1Tl |  | 100(100)# keV | 100(100)# keV | 100(100)# keV | 10# s | β+ (97.9%) | 184Hg | 7+# |  |  |
| 184m1Tl |  | 100(100)# keV | 100(100)# keV | 100(100)# keV | 10# s | α (2.1%) | 180Au | 7+# |  |  |
| 184m2Tl |  | 500(140)# keV | 500(140)# keV | 500(140)# keV | >20 ns |  |  | (10-) |  |  |
| 185Tl |  | 81 | 104 | 184.97879(6) | 19.5(5) s | α | 181Au | 1/2+# |  |  |
| 185Tl |  | 81 | 104 | 184.97879(6) | 19.5(5) s | β+ | 185Hg | 1/2+# |  |  |
| 185mTl |  | 452.8(20) keV | 452.8(20) keV | 452.8(20) keV | 1.93(8) s | IT (99.99%) | 185Tl | 9/2-# |  |  |
| 185mTl |  | 452.8(20) keV | 452.8(20) keV | 452.8(20) keV | 1.93(8) s | α (0.01%) | 181Au | 9/2-# |  |  |
| 185mTl |  | 452.8(20) keV | 452.8(20) keV | 452.8(20) keV | 1.93(8) s | β+ | 185Hg | 9/2-# |  |  |
| 186Tl |  | 81 | 105 | 185.97833(20) | 40# s | β+ | 186Hg | (2-) |  |  |
| 186Tl |  | 81 | 105 | 185.97833(20) | 40# s | α (0.006%) | 182Au | (2-) |  |  |
| 186m1Tl |  | 320(180) keV | 320(180) keV | 320(180) keV | 27.5(10) s | β+ | 186Hg | (7+) |  |  |
| 186m2Tl |  | 690(180) keV | 690(180) keV | 690(180) keV | 2.9(2) s |  |  | (10-) |  |  |
| 187Tl |  | 81 | 106 | 186.975906(9) | ~51 s | β+ | 187Hg | (1/2+) |  |  |
| 187Tl |  | 81 | 106 | 186.975906(9) | ~51 s | α (드묾) | 183Au | (1/2+) |  |  |
| 187mTl |  | 335(3) keV | 335(3) keV | 335(3) keV | 15.60(12) s | α | 183Au | (9/2-) |  |  |
| 187mTl |  | 335(3) keV | 335(3) keV | 335(3) keV | 15.60(12) s | IT | 187Tl | (9/2-) |  |  |
| 187mTl |  | 335(3) keV | 335(3) keV | 335(3) keV | 15.60(12) s | β+ | 187Hg | (9/2-) |  |  |
| 188Tl |  | 81 | 107 | 187.97601(4) | 71(2) s | β+ | 188Hg | (2-) |  |  |
| 188m1Tl |  | 40(30) keV | 40(30) keV | 40(30) keV | 71(1) s | β+ | 188Hg | (7+) |  |  |
| 188m2Tl |  | 310(30) keV | 310(30) keV | 310(30) keV | 41(4) ms |  |  | (9-) |  |  |
| 189Tl |  | 81 | 108 | 188.973588(12) | 2.3(2) min | β+ | 189Hg | (1/2+) |  |  |
| 189mTl |  | 257.6(13) keV | 257.6(13) keV | 257.6(13) keV | 1.4(1) min | β+ (96%) | 189Hg | (9/2-) |  |  |
| 189mTl |  | 257.6(13) keV | 257.6(13) keV | 257.6(13) keV | 1.4(1) min | IT (4%) | 189Tl | (9/2-) |  |  |
| 190Tl |  | 81 | 109 | 189.97388(5) | 2.6(3) min | β+ | 190Hg | 2(-) |  |  |
| 190m1Tl |  | 130(90)# keV | 130(90)# keV | 130(90)# keV | 3.7(3) min | β+ | 190Hg | 7(+#) |  |  |
| 190m2Tl |  | 290(70)# keV | 290(70)# keV | 290(70)# keV | 750(40) µs |  |  | (8-) |  |  |
| 190m3Tl |  | 410(70)# keV | 410(70)# keV | 410(70)# keV | >1 µs |  |  | 9- |  |  |
| 191Tl |  | 81 | 110 | 190.971786(8) | 20# min | β+ | 191Hg | (1/2+) |  |  |
| 191mTl |  | 297(7) keV | 297(7) keV | 297(7) keV | 5.22(16) min | β+ | 191Hg | 9/2(-) |  |  |
| 192Tl |  | 81 | 111 | 191.97223(3) | 9.6(4) min | β+ | 192Hg | (2-) |  |  |
| 192m1Tl |  | 160(50) keV | 160(50) keV | 160(50) keV | 10.8(2) min | β+ | 192Hg | (7+) |  |  |
| 192m2Tl |  | 407(54) keV | 407(54) keV | 407(54) keV | 296(5) ns |  |  | (8-) |  |  |
| 193Tl |  | 81 | 112 | 192.97067(12) | 21.6(8) min | β+ | 193Hg | 1/2(+#) |  |  |
| 193mTl |  | 369(4) keV | 369(4) keV | 369(4) keV | 2.11(15) min | IT (75%) | 193Tl | 9/2- |  |  |
| 193mTl |  | 369(4) keV | 369(4) keV | 369(4) keV | 2.11(15) min | β+ (25%) | 193Hg | 9/2- |  |  |
| 194Tl |  | 81 | 113 | 193.97120(15) | 33.0(5) min | β+ | 194Hg | 2- |  |  |
| 194Tl |  | 81 | 113 | 193.97120(15) | 33.0(5) min | α (10−7%) | 190Au | 2- |  |  |
| 194mTl |  | 300(200)# keV | 300(200)# keV | 300(200)# keV | 32.8(2) min | β+ | 194Hg | (7+) |  |  |
| 195Tl |  | 81 | 114 | 194.969774(15) | 1.16(5) h | β+ | 195Hg | 1/2+ |  |  |
| 195mTl |  | 482.63(17) keV | 482.63(17) keV | 482.63(17) keV | 3.6(4) s | IT | 195Tl | 9/2- |  |  |
| 196Tl |  | 81 | 115 | 195.970481(13) | 1.84(3) h | β+ | 196Hg | 2- |  |  |
| 196mTl |  | 394.2(5) keV | 394.2(5) keV | 394.2(5) keV | 1.41(2) h | β+ (95.5%) | 196Hg | (7+) |  |  |
| 196mTl |  | 394.2(5) keV | 394.2(5) keV | 394.2(5) keV | 1.41(2) h | IT (4.5%) | 196Tl | (7+) |  |  |
| 197Tl |  | 81 | 116 | 196.969575(18) | 2.84(4) h | β+ | 197Hg | 1/2+ |  |  |
| 197mTl |  | 608.22(8) keV | 608.22(8) keV | 608.22(8) keV | 540(10) ms | IT | 197Tl | 9/2- |  |  |
| 198Tl |  | 81 | 117 | 197.97048(9) | 5.3(5) h | β+ | 198Hg | 2- |  |  |
| 198m1Tl |  | 543.5(4) keV | 543.5(4) keV | 543.5(4) keV | 1.87(3) h | β+ (54%) | 198Hg | 7+ |  |  |
| 198m1Tl |  | 543.5(4) keV | 543.5(4) keV | 543.5(4) keV | 1.87(3) h | IT (46%) | 198Tl | 7+ |  |  |
| 198m2Tl |  | 687.2(5) keV | 687.2(5) keV | 687.2(5) keV | 150(40) ns |  |  | (5+) |  |  |
| 198m3Tl |  | 742.3(4) keV | 742.3(4) keV | 742.3(4) keV | 32.1(10) ms |  |  | (10-)# |  |  |
| 199Tl |  | 81 | 118 | 198.96988(3) | 7.42(8) h | β+ | 199Hg | 1/2+ |  |  |
| 199mTl |  | 749.7(3) keV | 749.7(3) keV | 749.7(3) keV | 28.4(2) ms | IT | 199Tl | 9/2- |  |  |
| 200Tl |  | 81 | 119 | 199.970963(6) | 26.1(1) h | β+ | 200Hg | 2- |  |  |
| 200m1Tl |  | 753.6(2) keV | 753.6(2) keV | 753.6(2) keV | 34.3(10) ms | IT | 200Tl | 7+ |  |  |
| 200m2Tl |  | 762.0(2) keV | 762.0(2) keV | 762.0(2) keV | 0.33(5) µs |  |  | 5+ |  |  |
| 201Tl |  | 81 | 120 | 200.970819(16) | 72.912(17) h | ε | 201Hg | 1/2+ |  |  |
| 201mTl |  | 919.50(9) keV | 919.50(9) keV | 919.50(9) keV | 2.035(7) ms | IT | 201Tl | (9/2-) |  |  |
| 202Tl |  | 81 | 121 | 201.972106(16) | 12.23(2) d | β+ | 202Hg | 2- |  |  |
| 202mTl |  | 950.19(10) keV | 950.19(10) keV | 950.19(10) keV | 572(7) µs |  |  | 7+ |  |  |
| 203Tl |  | 81 | 122 | 202.9723442(14) | 관찰상 안정 | 관찰상 안정 | 관찰상 안정 | 1/2+ | 0.2952(1) | 0.29494-0.29528 |
| 203mTl |  | 3400(300) keV | 3400(300) keV | 3400(300) keV | 7.7(5) µs |  |  | (25/2+) |  |  |
| 204Tl |  | 81 | 123 | 203.9738635(13) | 3.78(2) y | β- (97.1%) | 204Pb | 2- |  |  |
| 204Tl |  | 81 | 123 | 203.9738635(13) | 3.78(2) y | ε (2.9%) | 204Hg | 2- |  |  |
| 204m1Tl |  | 1104.0(4) keV | 1104.0(4) keV | 1104.0(4) keV | 63(2) µs |  |  | (7)+ |  |  |
| 204m2Tl |  | 2500(500) keV | 2500(500) keV | 2500(500) keV | 2.6(2) µs |  |  | (12-) |  |  |
| 204m3Tl |  | 3500(500) keV | 3500(500) keV | 3500(500) keV | 1.6(2) µs |  |  | (20+) |  |  |
| 205Tl |  | 81 | 124 | 204.9744275(14) | 관찰상 안정 | 관찰상 안정 | 관찰상 안정 | 1/2+ | 0.7048(1) | 0.70472-0.70506 |
| 205m1Tl |  | 3290.63(17) keV | 3290.63(17) keV | 3290.63(17) keV | 2.6(2) µs |  |  | 25/2+ |  |  |
| 205m2Tl |  | 4835.6(15) keV | 4835.6(15) keV | 4835.6(15) keV | 235(10) ns |  |  | (35/2-) |  |  |
| 206Tl | 라듐 E | 81 | 125 | 205.9761103(15) | 4.200(17) min | β- | 206Pb | 0- | 미량 |  |
| 206mTl |  | 2643.11(19) keV | 2643.11(19) keV | 2643.11(19) keV | 3.74(3) min | IT | 206Tl | (12-) |  |  |
| 207Tl | 악티늄 C | 81 | 126 | 206.977419(6) | 4.77(2) min | β- | 207Pb | 1/2+ | 미량 |  |
| 207mTl |  | 1348.1(3) keV | 1348.1(3) keV | 1348.1(3) keV | 1.33(11) s | IT (99.9%) | 207Tl | 11/2- |  |  |
| 207mTl |  | 1348.1(3) keV | 1348.1(3) keV | 1348.1(3) keV | 1.33(11) s | β- (0.1%) | 207Pb | 11/2- |  |  |
| 208Tl | 토륨 C | 81 | 127 | 207.9820187(21) | 3.053(4) min | β- | 208Pb | 5(+) | 미량 |  |
| 209Tl |  | 81 | 128 | 208.985359(8) | 2.161(7) min | β- | 209Pb | (1/2+) |  |  |
| 210Tl | 라듐 C″ | 81 | 129 | 209.990074(12) | 1.30(3) min | β- (99.991%) | 210Pb | (5+)# | 미량 |  |
| 210Tl | 라듐 C″ | 81 | 129 | 209.990074(12) | 1.30(3) min | β-, n (0.009%) | 209Pb | (5+)# | 미량 |  |
| 211Tl |  | 81 | 130 | 210.99348(22)# | 1# min [>300 ns] |  |  | 1/2+# |  |  |
| 212Tl |  | 81 | 131 | 211.99823(32)# | 30# s [>300 ns] |  |  | 5+# |  |  |