MANGANESE - 54
|Physical Half-life: ||312.5 days
|Radiations:||Gamma 835 (99.9%)keV
|External Exposure:||External hazard. Radiation
exposures from 1 mCi source of 54Mn are 188 mR/hr and 47 mR/hr
@ 5cm and 10 cm, respectively.
||ALI ||2 mCi (ingestion), 0.9 mCi (inhalation)|
||Liver and Gastrointestinal Tract|
||Urinalysis (Not routinely done.)|
||HVL 0.74 cm of lead; TVL 2.46 cm of lead
|LSC (Eff. ~30%)
NaI Gamma Counter (Eff. ~5%)
- Use forceps with rubber sleeves to handle unshielded sources and
potentially contaminated vessels, and work at arms length.
- Always store 54Mn vials in lead containers or behind
- Wear a radiation badge when handling 1.0 mCi or more.