Element:Sm
From Metabolomics.JP
Atomic Number
62
Atomic Name
Samarium(サマリウム)
Stable Isotopes
| isotope | mass | isotopic abundance (%) |
|---|---|---|
| 144Sm | 143.911996 | 3.07(7) |
| 147Sm | 146.924894 | 14.99(18) = (Natural radioactivity isotope) |
| 148Sm | 147.914818 | 11.24(10) = (Natural radioactivity isotope) |
| 149Sm | 148.917180 | 13.82(7) |
| 150Sm | 149.917272 | 7.38(1) |
| 152Sm | 151.919729 | 26.75(16) |
| 154Sm | 153.922206 | 22.75(29) |
Radioisotopes
| isotope | half life | disintegration form |
|---|---|---|
| 151Sm | 90 years | beta- |
| 153Sm | 46.27 hours | beta- |
