| Sample | Asp (Bq g−1) | C (%) | ||||
| 232Th | 234Th | 234mPa | 232Th | 234Th | 234mPa | |
| Al | 3.7(11) × 10−2 | 5.9(15) × 10−3 | 7.7(2) × 10−3 | 2.5(8) × 10−3 | 6.8(17) × 10−16 | 5.0(2) × 10−22 |
| Ti | 9.1(4) × 10−6 | 6.5(2) × 10−4 | 5.0(4) × 10−4 | 6.2(3) × 10−7 | 7.5(3) × 10−17 | 3.2(3) × 10−23 |
| Glass | 1.32(5) × 10−3 | 8.2(2) × 10−3 | 1.4(4) × 10−2 | 9.1(3) × 10−5 | 9.5(3) × 10−16 | 9.1(26) × 10−22 |