鉛の同位体
一覧

| 同位体核種 | Z(p)> 励起エネルギー | N(n)> 励起エネルギー | 同位体質量 (u)> 励起エネルギー | 半減期 | 核スピン数 | 天然存在比 | 天然存在比 (範囲) |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 178Pb | 82 | 96 | 178.003830(26) | 0.23(15) ms | 0+ |  |  |
| 179Pb | 82 | 97 | 179.00215(21)# | 3# ms | 5/2-# |  |  |
| 180Pb | 82 | 98 | 179.997918(22) | 4.5(11) ms | 0+ |  |  |
| 181Pb | 82 | 99 | 180.99662(10) | 45(20) ms | 5/2-# |  |  |
| 182Pb | 82 | 100 | 181.992672(15) | 60(40) ms [55(+40-35) ms] | 0+ |  |  |
| 183Pb | 82 | 101 | 182.99187(3) | 535(30) ms | (3/2-) |  |  |
| 183mPb | 94(8) keV | 94(8) keV | 94(8) keV | 415(20) ms | (13/2+) |  |  |
| 184Pb | 82 | 102 | 183.988142(15) | 490(25) ms | 0+ |  |  |
| 185Pb | 82 | 103 | 184.987610(17) | 6.3(4) s | 3/2- |  |  |
| 185mPb | 60(40)# keV | 60(40)# keV | 60(40)# keV | 4.07(15) s | 13/2+ |  |  |
| 186Pb | 82 | 104 | 185.984239(12) | 4.82(3) s | 0+ |  |  |
| 187Pb | 82 | 105 | 186.983918(9) | 15.2(3) s | (3/2-) |  |  |
| 187mPb | 11(11) keV | 11(11) keV | 11(11) keV | 18.3(3) s | (13/2+) |  |  |
| 188Pb | 82 | 106 | 187.980874(11) | 25.5(1) s | 0+ |  |  |
| 188m1Pb | 2578.2(7) keV | 2578.2(7) keV | 2578.2(7) keV | 830(210) ns | (8-) |  |  |
| 188m2Pb | 2800(50) keV | 2800(50) keV | 2800(50) keV | 797(21) ns |  |  |  |
| 189Pb | 82 | 107 | 188.98081(4) | 51(3) s | (3/2-) |  |  |
| 189mPb | 40(30)# keV | 40(30)# keV | 40(30)# keV | 1# min | (13/2+) |  |  |
| 190Pb | 82 | 108 | 189.978082(13) | 71(1) s | 0+ |  |  |
| 190m1Pb | 2614.8(8) keV | 2614.8(8) keV | 2614.8(8) keV | 150 ns | (10)+ |  |  |
| 190m2Pb | 2618(20) keV | 2618(20) keV | 2618(20) keV | 25 µs | (12+) |  |  |
| 190m3Pb | 2658.2(8) keV | 2658.2(8) keV | 2658.2(8) keV | 7.2(6) µs | (11)- |  |  |
| 191Pb | 82 | 109 | 190.97827(4) | 1.33(8) min | (3/2-) |  |  |
| 191mPb | 20(50) keV | 20(50) keV | 20(50) keV | 2.18(8) min | 13/2(+) |  |  |
| 192Pb | 82 | 110 | 191.975785(14) | 3.5(1) min | 0+ |  |  |
| 192m1Pb | 2581.1(1) keV | 2581.1(1) keV | 2581.1(1) keV | 164(7) ns | (10)+ |  |  |
| 192m2Pb | 2625.1(11) keV | 2625.1(11) keV | 2625.1(11) keV | 1.1(5) µs | (12+) |  |  |
| 192m3Pb | 2743.5(4) keV | 2743.5(4) keV | 2743.5(4) keV | 756(21) ns | (11)- |  |  |
| 193Pb | 82 | 111 | 192.97617(5) | 5# min | (3/2-) |  |  |
| 193m1Pb | 130(80)# keV | 130(80)# keV | 130(80)# keV | 5.8(2) min | 13/2(+) |  |  |
| 193m2Pb | 2612.5(5)+X keV | 2612.5(5)+X keV | 2612.5(5)+X keV | 135(+25-15) ns | (33/2+) |  |  |
| 194Pb | 82 | 112 | 193.974012(19) | 12.0(5) min | 0+ |  |  |
| 195Pb | 82 | 113 | 194.974542(25) | ~15 min | 3/2#- |  |  |
| 195m1Pb | 202.9(7) keV | 202.9(7) keV | 202.9(7) keV | 15.0(12) min | 13/2+ |  |  |
| 195m2Pb | 1759.0(7) keV | 1759.0(7) keV | 1759.0(7) keV | 10.0(7) µs | 21/2- |  |  |
| 196Pb | 82 | 114 | 195.972774(15) | 37(3) min | 0+ |  |  |
| 196m1Pb | 1049.20(9) keV | 1049.20(9) keV | 1049.20(9) keV | <100 ns | 2+ |  |  |
| 196m2Pb | 1738.27(12) keV | 1738.27(12) keV | 1738.27(12) keV | <1 µs | 4+ |  |  |
| 196m3Pb | 1797.51(14) keV | 1797.51(14) keV | 1797.51(14) keV | 140(14) ns | 5- |  |  |
| 196m4Pb | 2693.5(5) keV | 2693.5(5) keV | 2693.5(5) keV | 270(4) ns | (12+) |  |  |
| 197Pb | 82 | 115 | 196.973431(6) | 8.1(17) min | 3/2- |  |  |
| 197m1Pb | 319.31(11) keV | 319.31(11) keV | 319.31(11) keV | 42.9(9) min | 13/2+ |  |  |
| 197m2Pb | 1914.10(25) keV | 1914.10(25) keV | 1914.10(25) keV | 1.15(20) µs | 21/2- |  |  |
| 198Pb | 82 | 116 | 197.972034(16) | 2.4(1) h | 0+ |  |  |
| 198m1Pb | 2141.4(4) keV | 2141.4(4) keV | 2141.4(4) keV | 4.19(10) µs | (7)- |  |  |
| 198m2Pb | 2231.4(5) keV | 2231.4(5) keV | 2231.4(5) keV | 137(10) ns | (9)- |  |  |
| 198m3Pb | 2820.5(7) keV | 2820.5(7) keV | 2820.5(7) keV | 212(4) ns | (12)+ |  |  |
| 199Pb | 82 | 117 | 198.972917(28) | 90(10) min | 3/2- |  |  |
| 199m1Pb | 429.5(27) keV | 429.5(27) keV | 429.5(27) keV | 12.2(3) min | (13/2+) |  |  |
| 199m2Pb | 2563.8(27) keV | 2563.8(27) keV | 2563.8(27) keV | 10.1(2) µs | (29/2-) |  |  |
| 200Pb | 82 | 118 | 199.971827(12) | 21.5(4) h | 0+ |  |  |
| 201Pb | 82 | 119 | 200.972885(24) | 9.33(3) h | 5/2- |  |  |
| 201m1Pb | 629.14(17) keV | 629.14(17) keV | 629.14(17) keV | 61(2) s | 13/2+ |  |  |
| 201m2Pb | 2718.5+X keV | 2718.5+X keV | 2718.5+X keV | 508(5) ns | (29/2-) |  |  |
| 202Pb | 82 | 120 | 201.972159(9) | 52.5(28)E+3 a | 0+ |  |  |
| 202m1Pb | 2169.83(7) keV | 2169.83(7) keV | 2169.83(7) keV | 3.53(1) h | 9- |  |  |
| 202m2Pb | 4142.9(11) keV | 4142.9(11) keV | 4142.9(11) keV | 110(5) ns | (16+) |  |  |
| 202m3Pb | 5345.9(13) keV | 5345.9(13) keV | 5345.9(13) keV | 107(5) ns | (19-) |  |  |
| 203Pb | 82 | 121 | 202.973391(7) | 51.873(9) h | 5/2- |  |  |
| 203m1Pb | 825.20(9) keV | 825.20(9) keV | 825.20(9) keV | 6.21(8) s | 13/2+ |  |  |
| 203m2Pb | 2949.47(22) keV | 2949.47(22) keV | 2949.47(22) keV | 480(7) ms | 29/2- |  |  |
| 203m3Pb | 2923.4+X keV | 2923.4+X keV | 2923.4+X keV | 122(4) ns | (25/2-) |  |  |
| 204Pb | 82 | 122 | 203.9730436(13) | STABLE [>140E+15 a] | 0+ | 0.014(1) | 0.0104-0.0165 |
| 204m1Pb | 1274.00(4) keV | 1274.00(4) keV | 1274.00(4) keV | 265(10) ns | 4+ |  |  |
| 204m2Pb | 2185.79(5) keV | 2185.79(5) keV | 2185.79(5) keV | 67.2(3) min | 9- |  |  |
| 204m3Pb | 2264.33(4) keV | 2264.33(4) keV | 2264.33(4) keV | 0.45(+10-3) µs | 7- |  |  |
| 205Pb | 82 | 123 | 204.9744818(13) | 15.3(7)E+6 a | 5/2- |  |  |
| 205m1Pb | 2.329(7) keV | 2.329(7) keV | 2.329(7) keV | 24.2(4) µs | 1/2- |  |  |
| 205m2Pb | 1013.839(13) keV | 1013.839(13) keV | 1013.839(13) keV | 5.55(2) ms | 13/2+ |  |  |
| 205m3Pb | 3195.7(5) keV | 3195.7(5) keV | 3195.7(5) keV | 217(5) ns | 25/2- |  |  |
| 206Pb | 82 | 124 | 205.9744653(13) | STABLE | 0+ | 0.241(1) | 0.2084-0.2748 |
| 206m1Pb | 2200.14(4) keV | 2200.14(4) keV | 2200.14(4) keV | 125(2) µs | 7- |  |  |
| 206m2Pb | 4027.3(7) keV | 4027.3(7) keV | 4027.3(7) keV | 202(3) ns | 12+ |  |  |
| 207Pb | 82 | 125 | 206.9758969(13) | STABLE | 1/2- | 0.221(1) | 0.1762-0.2365 |
| 207mPb | 1633.368(5) keV | 1633.368(5) keV | 1633.368(5) keV | 806(6) ms | 13/2+ |  |  |
| 208Pb | 82 | 126 | 207.9766521(13) | STABLE [>2E+19 a] | 0+ | 0.524(1) | 0.5128-0.5621 |
| 208mPb | 4895(2) keV | 4895(2) keV | 4895(2) keV | 500(10) ns | 10+ |  |  |
| 209Pb | 82 | 127 | 208.9810901(19) | 3.253(14) h | 9/2+ |  |  |
| 210Pb | 82 | 128 | 209.9841885(16) | 22.20(22) a | 0+ |  |  |
| 210mPb | 1278(5) keV | 1278(5) keV | 1278(5) keV | 201(17) ns | 8+ |  |  |
| 211Pb | 82 | 129 | 210.9887370(29) | 36.1(2) min | 9/2+ |  |  |
| 212Pb | 82 | 130 | 211.9918975(24) | 10.64(1) h | 0+ |  |  |
| 212mPb | 1335(10) keV | 1335(10) keV | 1335(10) keV | 5(1) µs | (8+) |  |  |
| 213Pb | 82 | 131 | 212.996581(8) | 10.2(3) min | (9/2+) |  |  |
| 214Pb | 82 | 132 | 213.9998054(26) | 26.8(9) min | 0+ |  |  |
| 215Pb | 82 | 133 | 215.00481(44)# | 36(1) s | 5/2+# |  |  |