Physical Data
- Radiation Major Gammas: 0.070 MeV (2.57%), 0.097 MeV (31.3%), 0.103 MeV (22.2%)
- Decay Mode: Electron Capture
Half-Life
- Physical - 240.4 days
External Hazard
- The gamma exposure rate at 1 cm from 1mCi is 872 mR/hr.
- The range of the 0.103 MeV beta is 0.012 cm in lucite and 0.0057 cm in glass.
Internal Hazard
- Critical Organ - Whole and Bone Surface
Safety Guidelines
- Use shielding lead or leaded Plexiglas to minimize exposure.
- Whole body and ring dosimeters are required.
- Wear a lab coat and disposable gloves.
updated 1/2013