Samarium-153

Samarium-153 (¹⁵³Sm) has a half-life of 46.3 hours, undergoing β− decay into ¹⁵³Eu. As a component of samarium lexidronam, it is used in palliation of bone cancer. It is treated by the body in a similar manner to calcium, and it localizes selectively to bone.

Spectrum (Fullscreen)

5 minute measurement with a High Purity Germanium (HPGe) radiation detector.

Metadata

Isotope:	Samarium
Mass number:	152
Atomic number:	62
Neutron number:	90
…	…

Sources and Further Read

• https://en.wikipedia.org/wiki/Isotopes_of_samarium