Nuclide | T1/2 | Eγ (keV) | γabn (%) | Al | Glass | Ti | |||||
Аcalc (Bk∙g−1) | Аmeas (Bk∙g−1) | I (s−1 g−1) | Аcalc (Bk∙g−1) | Аmeas (Bk∙g−1) | I (s−1∙g−1) | Аmeas (Bk∙g−1) | I (s−1∙g−1) | ||||
238U | 4.468 × 109 y |
|
| 3.8(7) × 10−3 | *6.8(9) × 10−3 | 3.7(5) × 10−9 | 8.9(9) × 10−3 | *1.1(4) × 10−2 | 6(2) × 10−9 | *5.8(3) × 10−4 | 3.1(2) × 10−10 |
234Th | 24.1 d | 63.3 92.59 112.85 | 4.47 2.562 0.2562 | 3.8(7) × 10−3 | 5.9(15) × 10−3 |
| 9.0(9) × 10−3 | 8.2(2) × 10−3 |
| 6.5(2) × 10−4 |
|
234mPa | 1.17 min | 766.6 1001 | 0.207 0.589 | 3.8(7) × 10−3 | 7.7(2) × 10−3 | <7.7 × 10−14 | 9.0(9) × 10−3 | 1.4(4) × 10−2 | <1.4 × 10−13 | 5.0(4) × 10−4 | <5 × 10−15 |
234Pa | 6.70 h | 131.2 926.7 880.5 | 20 22 4 | 6.2(9) × 10−6 | 5.3(4) × 10−6 | <1.6 × 10−17 | 1.4(1) × 10−5 | 1.9(6) × 10−5 | <5.7 × 10−17 | Not found |
|
234U | 2.455 × 105 y | 53.2 | 2.2 | 1.6(3) × 10−3 | 6.5(14) × 10−3 | 1.1(3) × 10−13 | 3.6(4) × 10−3 | 7.6(7) × 10−3 | 1.2(3) × 10−13 | Not found |
|
230Th | 7.538 × 104 y |
|
|
|
|
|
|
|
|
|
|
232Th (208Tl) | 1.405 × 1010 y | 2614.9 583.25 510.89 | 99.16 85.1 22.8 |
| 3.7(11) × 10−2 | 4.1(12) × 10−13 |
| 1.32(5) × 10−3 | 1.5(1) × 10−14 | 9.1(4) × 10−6 | 1.0(1) × 10−16 |
235U | 7.038 × 108 y | 185.7 | 54 | 1.8(3) × 10−4 | 4.5(3) × 10−4 | 3.2(3) × 10−14 | 4.1(4) × 10−4 | 3.7(1) × 10−4 | 2.6(2) × 10−14 | 7.2(2) × 10−5 | 5.1(3) × 10−15 |
40K | 1.277 × 109 y | 1460.8 | 10.67 |
| - |
|
| 13.2(3) × 10−2 |
| - |
|