Strontium Radioisotopes

**Definition:** Unstable isotopes of strontium that decay or disintegrate spontaneously emitting radiation. Sr 80-83, 85, and 89-95 are radioactive strontium isotopes.

**Tree numbers:** - D01.268.552.850.500.685 - D01.268.556.825.500.685 - D01.496.749.815 - D01.496.840.685 - D01.552.539.861.500.685 - D01.552.544.825.500.685