Decay Mode and Half-life of Uranium 236

Decay Mode and Half-life of Uranium 236

  • Uranium 236 decays via alpha decay to 232Th.
  • Half-life of uranium 236 is ~2.3 x 107 years.
  • Uranium 236 occasionally decays by spontaneous fission with very low probability of 0.00000009%.
  • Its specific activity is ~6.5×10-5 Ci/g.
Isotope Specific Activity
Uranium 232 22 Ci/g
Uranium 233 0.0098 Ci/g
Uranium 234 0.0063 Ci/g
Uranium 236 0.000065 Ci/g
Uranium 235 0.0000022 Ci/g
Uranium 238 0.00000034 Ci/g

Table of specific activities of isotopes of uranium.

See above:

Uranium 236