Element:Ba
From Metabolomics.JP
(Difference between revisions)
Latest revision as of 20:00, 27 February 2008
[edit] Atomic Number
56
[edit] Atomic Name
Barium(バリウム)
[edit] Stable Isotopes
| isotope | mass | isotopic abundance (%) |
|---|---|---|
| 130Ba | 129.906311 | 0.106(1) |
| 132Ba | 131.905056 | 0.101(1) |
| 134Ba | 133.904504 | 2.417(18) |
| 135Ba | 134.905684 | 6.592(12) |
| 136Ba | 135.904571 | 7.854(24) |
| 137Ba | 136.905822 | 11.232(24) |
| 138Ba | 137.905242 | 71.698(42) |
[edit] Radioisotopes
| isotope | half life | disintegration form |
|---|---|---|
| 131Ba | 11.50 days | EC, beta+ |
| 133mBa | 38.9 hours | IT, EC |
| 133Ba | 10.52 years | EC |
| 137mBa | 2.552 minuites | IT |
| 139Ba | 83.06 minuites | beat- |
| 140Ba | 12.752 days | beta- |
