Development of <sup>124</sup>Xe Gas Target System for Production of High Purity <sup>123</sup>I

DENG Xue-song; ZHAO Gui-zhi; ZHANG Bao-qi; LIU Yu-ping; LIU She-yang; LI Ming-guang; LIANG Cheng-hu; WEN Kai; GUO Fei-hu; YE Zhao-yun; ZHANG Wen-zai; LUO Zhi-fu; YIN Wei; FAN Hong-qiang

doi:10.7538/yzk.2016.50.07.1324

Atomic Energy Science and Technology > 2016 > 50(7): 1324-1329. > DOI: 10.7538/yzk.2016.50.07.1324

DENG Xue-song, ZHAO Gui-zhi, ZHANG Bao-qi, LIU Yu-ping, LIU She-yang, LI Ming-guang, LIANG Cheng-hu, WEN Kai, GUO Fei-hu, YE Zhao-yun, ZHANG Wen-zai, LUO Zhi-fu, YIN Wei, FAN Hong-qiang. Development of ¹²⁴Xe Gas Target System for Production of High Purity ¹²³I[J]. Atomic Energy Science and Technology, 2016, 50(7): 1324-1329. DOI: 10.7538/yzk.2016.50.07.1324

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Development of ¹²⁴Xe Gas Target System for Production of High Purity ¹²³I

1.
Atom Hi-Tech Co., Ltd., Beijing 102413, China
2.
Department of Isotope, China Institute of Atomic Energy, Beijing 102413, China

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Using the CIAE-30 cyclotron, a ¹²⁴Xe gas target system for the production of high purity ¹²³I was established. This system includes ¹²⁴Xe gas target station and the transmission line of the 30 MeV proton beam, the He cooling system for the sealed windows of target and beam-line, the water cooling system, the vacuum system for target chamber, the system for ¹²⁴Xe processing and the system for the chemical processing of ¹²³I. It also includes ¹²⁴Xe retention system, LN₂ transfer system, He gas transfer system and the system for ¹²⁴Xe supplement, as well as the system for beam current adjusting, measuring and controlling, and the system for radiation protection and detection. The performance tests for the system, and the setting up of the conditions for the experiments prove that this system can offer 111-148 GBq (3-4 Ci) of ¹²³I in one batch with a production rate greater than 296 MBq/(μA•h) (8 mCi/(μA•h)). The radionuclide purity of ¹²³I is better than 99.8%, and the radiochemical purity is better than 95%, which fits the needs of the production in scale.
- ¹²⁴Xe-gas target,
- ¹²³I,
- cyclotron

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Development of 124Xe Gas Target System for Production of High Purity 123I

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Development of ¹²⁴Xe Gas Target System for Production of High Purity ¹²³I