ion123Link login alternatif ION123 Link Resmi ION123 Official Website ION123 rekomendasi situs aman terpercaya 2025 hadiah jutaan rupiah khusus member baru bonusIodine-123 (123 I) is a radioactive isotope of iodine used in nuclear medicine imaging, including single-photon emission computed tomography (SPECT) or SPECTCT exams. The isotope's half-life is 13.2232 hours; [1] the decay by