Chen Desheng, Huang Qinggang, Cao Shiwei, Wu Xiaolei, Tian Wei, Tan Cunmin, Wang Jieru, Lin Mu, Qin Zhi
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000, China; Advanced Energy Science and Technology Guangdong Laboratory, Huizhou, 516000, China; Gansu Isotope Laboratory, Lanzhou, 730000, China.
Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000, China; Advanced Energy Science and Technology Guangdong Laboratory, Huizhou, 516000, China; Gansu Isotope Laboratory, Lanzhou, 730000, China.
Appl Radiat Isot. 2024 Dec;214:111531. doi: 10.1016/j.apradiso.2024.111531. Epub 2024 Sep 25.
Tc is regarded as the most important medical isotope, and its supply issues have garnered significant attention. A simple and efficient separation method was performed for the production of Tc from Mo target in this study. The entire process involves accelerator irradiation, Tc/Mo separation, and target material recovery. The key aspect is separation process, which including the high-temperature conversion of metal molybdenum targets and the selective solution of Tc with normal saline. This method can separate highly pure Tc within 1.5 h, with a separation efficiency exceeding 80%. The reagents used in the separation process are minimal, resulting in less radioactive waste. Additionally, the target material is easy to reclaim, with a recovery rate of over 95%.
锝被视为最重要的医用同位素，其供应问题已引起广泛关注。本研究采用一种简单高效的分离方法从钼靶中制备锝。整个过程包括加速器辐照、锝/钼分离以及靶材回收。关键在于分离过程，包括金属钼靶的高温转化以及用生理盐水选择性溶解锝。该方法可在1.5小时内分离出高纯度锝，分离效率超过80%。分离过程中使用的试剂最少，产生的放射性废物较少。此外，靶材易于回收，回收率超过95%。
