Physical Data
- Radiation - Beta (100% abundance)
- Energy - 257 keV; Average; 77 keV
Half-Life
- Physical: 162.61 days
- Biological: Bone ~18,000 days
- Effective: 163 Days
Range
- Beta - 52 cm in air (unshielded)
External
- mCi quantities not an external radiation hazard
Internal Hazard
- Critical Organ: Bone, Lung (inhalation)
Shielding
- non required
Safety Guidelines
- Lab coat
- Disposable gloves
- Film badges and/or dosimeter rings are not requried.
updated 01/2013