Iodine-131 (I-131) is one of the most established and effective radioisotopes in nuclear medicine. With its dual beta and gamma emissions, it plays a crucial role in both diagnostic imaging and targeted radiotherapy, particularly for thyroid disorders and cancer treatment.
Property | Details |
---|---|
Isotope | Iodine-131 (I-131) |
Half-life | ~8.02 days |
Decay Type | Beta (β⁻) and Gamma (γ) |
Gamma Energy | 364 keV |
Chemical Form | Sodium Iodide (NaI) in NaOH/Na₂S₂O₃ solution |
Radiochemical Purity | ≥99% |
Packaging Options | Sealed vial, capsule, or liquid form |
Compliance | WHO GMP / ISO / IAEA standards |