212Bi decay; t1/2 = 60.6 m (t = 87.4 m).

  1. 212Bi [b (+ g)] 212Po   (64.1%;   t1/2 = 94.5 m)
  2. 212Bi [a (+ g)] 208Tl   (35.8%;   t1/2 =  169 m)
g + c.e.(a) a b
E(b) I(c) (c) Ic.e. E(b) I(c) E(b) I(c)
1079.0 0.0054 1.1 10-5     441.0 0.0065
1806.0 0.0011 1.1 10-6     "  
1074.0 1.6 10-4 3.2 10-7     445.0 2.6 10-4
1801.0   1.1 10-4     "  
952.0 0.0018 5.3 10-6     567.0 0.0024
1679.0 6.8 10-4 6.8 10-7     "  
893.0 0.0037 1.1 10-4     626.0 0.019
1621.0 0.015 9.7 10-5     "  
785.0 0.011 4.6 10-4     734.0 0.015
1513.0 0.0031 3.1 10-6     "  
727.0 0.067 9.4 10-4     1519 0.045
          2246 0.553
576.0 7.9 10-6 4.7 10-8 5486 5.4 10-5    
620.0 3.6 10-5 1.8 10-7 "      
453.0 0.0036 4.9 10-4 5607 0.0040    
493.0 6.1 10-5 6.6 10-6 "      
434.0 1.4 10-4 2.1 10-5 5626 5.8 10-4    
474.0 5.0 10-4 1.6 10-5 "      
288.0 0.0034 0.0015 5768 0.0060    
328.0 0.0014 4.5 10-4 "      
39.9 0.011 0.268 6051 0.252    
      6090 0.096    

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. 212Bi   entry in KAERI nuclide chart