212 Pb decay; t1/2 = 10.64 h (t = 15.35 h).

  1. 212Pb [b (+ g)] 212Bi
g + c.e.(a) b
E(b) I(c) (c) Ic.e. E(b) I(c)
177.0 5.1 10-4 0.0011 157.0 0.051
300.0 0.033 0.016 "  
415.0 2.8 10-4 5.6 10-5 "  
239.0 0.436 0.396 334.0 0.832
115.0 0.0059 0.042 457.0 0.0017
      572.0 0.118

Notes:

  1. c.e.: conversion electrons
  2. Energies in keV
  3. Intensities per `parent' decay of Th
  4. Data from compilations and amendments in Nuclear Data Sheets to Vol. 64 (1991)
  5. 212Pb entry in KAERI nuclide chart