Nanocrystalline zirconia: A novel sorbent for the preparation of 188W/188Re generator |
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| Authors: | Rubel Chakravarty Rakesh Shukla A.K. Tyagi Ashutosh Dash Meera Venkatesh |
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| Affiliation: | 1. Radiopharmaceuticals Division, Bhabha Atomic Research Centre, Mumbai-400085, India;2. Chemistry Division, Bhabha Atomic Research Centre, Mumbai-400085, India;1. State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, China;2. Science and Technology on Thermostructural Composite Materials Laboratory, Northwestern Polytechnical University, Xi’an, Shaanxi 710072, China;3. Applied Mechanics and Structure Safety Key Laboratory of Sichuan Province, School of Mechanics and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China;4. Department of Materials Science and Engineering, Advanced Materials Processing and Analysis Center, University of Central Florida, Orlando, FL 32816, USA;1. Department of Physics, National Institute of Technology Mizoram, Aizawl-796012 India;2. Department of Physics, Siksha O Anusandhan (Deemed to be University) Bhubaneswar-751030, India;1. School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan 450001, China;2. Key Laboratory of Material Physics of Ministry of Education, Zhengzhou University, Zhengzhou, Henan 450052, China;3. School of Physics and Engineering, Zhengzhou University, Zhengzhou, Henan 450052, China;4. Henan Key Laboratory of Aeronautical Material and Application Technology, Zhengzhou University of Aeronautics, Zhengzhou, Henan 450046, China;5. Department of Materials Science and Engineering, University of Central Florida, Orlando, FL 32826, USA |
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| Abstract: | Nanocrystalline zirconia, a novel high capacity sorbent material was synthesized and tested for its utility in the preparation of 188W/188Re generators. The structural investigation of the material was carried out using X-ray diffraction, surface area determination, FTIR and TEM micrograph analysis. Various experimental parameters were optimized to separate 188Re from 188W. The capacity of the material was found to be ～325 mg W/g at the optimum pH. A chromatographic 188W/188Re generator was developed using this material from which >80% of 188Re generated could be eluted with 0.9% saline solution, with high radionuclidic, radiochemical and chemical purity and appreciably high radioactive concentration suitable for radiopharmaceutical applications. |
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