METHOD OF PRODUCING RADIOISOTOPE I-123 Russian patent published in 2024 - IPC G21C1/10 

FIELD: nuclear physics; medicine.

SUBSTANCE: invention relates to the technology of producing radioisotopes for nuclear medicine on charged particle accelerators. Method of extracting 123I radionuclide from a target involves irradiating a target with isotope ¹²⁴Xe, extraction after irradiation from the target of starting ¹²⁴Xe with produced ¹²³Xe, holding of ¹²³Xe for its decay into ¹²³I and extraction after irradiation from the target of accumulated during irradiation ¹²³I. At that, for extraction of accumulated during irradiation ¹²³I, target after irradiation is filled with organic solvent or mixture of organic solvents, ¹²³I accumulated during irradiation is dissolved in them and the obtained solution with ¹²³I is transferred into a receiving device. Then, the solvents are vacuum stripped from the receiving device, and ¹²³I accumulated in the receiving device is washed off with sodium hydroxide solution.

EFFECT: high degree of extraction of desired ¹²³I radionuclide from the target and obtaining ¹²³I in the chemical form of sodium iodide (Na¹²³I), which is suitable for producing radiopharmaceuticals based thereon.

1 cl, 1 dwg