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Technetium-99m ( 99m Tc) is a subsidiary of metastable 99 Mo with a half-life of 6 hours. The relatively short half-life, causing 99m Tc widely used for diagnostic purposes in nuclear medicine, especially in bone scanning for a faster decay. This research aims to determine the optimal time to product formation of 99m Tc until elution profiles have detected 99 Mo energy. The instrument used is the 99 Mo/ 99m Tc generator with standard sources 133 Ba and 152 Eu liquid mixture. The results obtained showed that 99m Tc radioisotope production is still good until the third day elution 99 Mo, whereas in the fourth to ninth day 99 Mo energy detected on the decline, so that the activity of the 99m Tc resulting product cannot be used for diagnosis.

jurnal fisika indonesia

Deteksi Karakteristik Peluruhan Radionuklida Medis 99Mo Untuk Memperoleh 99mTc Menggunakan Spektrometer Gamma dengan Sumber Standar Cair Campuran 133Ba dan 152Eu