Input interpretation
Al-31 Co-61 | half-life
Results
Al-31 | 644 ms (milliseconds) (617.9 to 670.2 ms) Co-61 | 99 minutes (98.54 to 99.46 min)
Units
Relative values
| visual | ratios | | comparisons Al-31 | | 1.08×10^-4 | 1 | 99.9892% smaller Co-61 | | 1 | 9200 | 920000% larger
Decay properties
| Al-31 | Co-61 half-life | 644 ms (618 to 670.1 ms) | 99 min (98.55 to 99.45 min) mean lifetime | 929 ms (0.8923 to 0.9659 s) | 142.8 min (142.3 to 143.4 min) decay constant | 1.08 per second | 1.167×10^-4 per second specific activity | 2.09×10^10 TBq/g | 1.153×10^6 TBq/g width | 7.08×10^-16 eV | 7.68×10^-20 eV decay modes | β^- (electron emission) | β^-n (electron + delayed neutron) | β^- (electron emission) final decay products | P-31 (100%) | Si-30 (1.6%) | Ni-61 (100%)