Input interpretation
Ca-40 Pt-166 | half-life
Results
Ca-40 | 3×10^21 years (9.12×10^8 to ∞ s) Pt-166 | 300 µs (microseconds) (170 to 470 µs)
Units
Relative values
| visual | ratios | | comparisons Pt-166 | | 3.2×10^-33 | 1 | 99.99999999999999999999999999999968% smaller Ca-40 | | 1 | 3.2×10^32 | 3.2×10^34% larger
Decay properties
| Ca-40 | Pt-166 half-life | 3×10^21 yr (9.13×10^8 to ∞ s) | 300 µs (170 to 460 µs) mean lifetime | 4.3×10^21 yr (1.31×10^9 to ∞ s) | 433 µs (288.1 to 577.7 µs) decay constant | 7.3×10^-30 per second | 2310 per second specific activity | 1.1×10^-7 Bq/g | 8.38×10^12 TBq/g width | 3.3×10^-45 eV | 1.52×10^-12 eV decay modes | 2β^+ (double beta decay) | α (alpha emission) final decay products | Ca-40 (100%) | Ar-40 (0%) | Gd-154 (0%) | Nd-142 (0%) | Sm-150 (0%)