Physical Data
- Radiation - Gammas/X-rays: 6keV (~25% abundance); 7keV (~3%), Auger electrons: 5.2 keV (average)
Half-Life
- Physical: 2.70 years
- Biological: 11.9 years
- Effective: 2.2 years
External Hazard
- not an external hazard
Internal Hazard
- Critical Organ: Spleen, (blood)
Shielding
- non required - not considered an external radiation hazard
Safety Guidelines
- Wear a lab coat and disposable gloves.
- Store mCi quantities behind thin lead shielding.
Updated 1/2013