Cadena de desintegraciones del 232Th |
Tabla 1. Series del 232Th
Núcleo | Tipo desintegracion | Vida Media | Energía liberada (Mev) | Producto de desintegración |
Th 232 |
α |
1.405·1010 a |
4.081 |
Ra 228 |
Ra 228 |
β- |
5.75 a |
0.046 |
Ac 228 |
Ac 228 |
β- |
6.25 h |
2.124 |
Th 228 |
Th 228 |
α |
1.9116 a |
5.520 |
Ra 224 |
Ra 224 |
α |
3.6319 d |
5.789 |
Rn 220 |
Rn 220 |
α |
55.6 s |
6.404 |
Po 216 |
Po 216 |
α |
0.145 s |
6.906 |
Pb 212 |
Pb 212 |
β- |
10.64 h |
0.570 |
Bi 212 |
Bi 212 |
β- 64.06% α 35.94% |
60.55 min |
2.252 |
Po 212 |
Po 212 |
α |
299 ns |
8.955 |
Tl 208 |
Tl 208 |
β- |
3.053 min |
4.999 |
Pb 208 |
Pb 208 |
|
estable |
|
|