Input interpretation
U-228 Tl-185 | half-life
Results
U-228 | 9.17 minutes (8.74 to 9.46 min) Tl-185 | 19.5 seconds (17 to 22 s)
Units
Relative values
| visual | ratios | | comparisons Tl-185 | | 0.0355 | 1 | 96.45% smaller U-228 | | 1 | 28.2 | 2720% larger
Decay properties
| U-228 | Tl-185 half-life | 9.17 min (8.75 to 9.45 min) | 19.5 s (17 to 22 s) mean lifetime | 13.2 min (12.7 to 13.5 min) | 28.1 s (27.39 to 28.87 s) decay constant | 0.00127 per second | 0.0356 per second specific activity | 3.34×10^6 TBq/g | 1.16×10^8 TBq/g width | 8.4×10^-19 eV | 2.34×10^-17 eV decay modes | α (alpha emission) | ϵ (electron capture) | β^+ (positron emission) | α (alpha emission) final decay products | Pb-208 (100%) | Pb-206 (2×10^-10%) | Hf-177 (0%) | Re-185 (0%) | Ta-181 (0%) | Yb-173 (0%)