Radionuclide Safety Guideline for Fe55

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