Iron Radioisotopes

**Definition:** Unstable isotopes of iron that decay or disintegrate emitting radiation. Fe atoms with atomic weights 52, 53, 55, and 59-61 are radioactive iron isotopes.

**Tree numbers:** - D01.268.556.412.500.498 - D01.268.956.287.500.498 - D01.496.473.498 - D01.496.749.514 - D01.552.544.412.500.498