89-Ac-231

• Atomic Mass: 231.0385515 ± 0.0001074 amu
• Excess Mass: 35910.488 ± 100.020 keV
• Binding Energy: 1758935.628 ± 100.021 keV
• Beta Decay Energy: B- 2100.000 ± 100.000 keV

• Spin: (1/2+)
• Half life: 7.5 M ( 1.3333 % )
• Mode of decay: Beta to Th-231
  • Decay energy: 2.100 MeV

• Possible parent nuclides:

  Beta from Ra-231

Element Ac