Nano Magnesium Aluminum Layered Double Hydroxide As A base Material For Chromatographic 99Mo/99mTc Column Generator. | ||||
| Arab Journal of Nuclear Sciences and Applications | ||||
| Volume 56, Issue 4, July 2023, Page 117-127 PDF (618.83 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ajnsa.2023.174941.1683 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
Hanem Mohammed Saber  1; Mohammed mostafa2; Sami El Bayoumi2; Ebtissam ahmed saad3
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| 1radaition inorganic chemistry,faclty of science,Banha | ||||
| 2Radioactive Isotopes and Generators Dept., Hot Labs Center, Atomic Energy Authority, Cairo, Egypt | ||||
| 3Chemistry Department, Faculty of Science, Ain Shams University, Cairo, Egypt | ||||
| Abstract | ||||
| Nano magnesium aluminum layered double hydroxide (nano MgAl LDH) sorbent, prepared via autocombustion route, was used as a base material for chromatographic 99Mo/ 99mTc column generator. The acid–base titration curve proved the amphoteric nature of the prepared MgAl LDH (with a point of zero charge at pH 6.5). The sorbent prepared with the optimum conditions was characterized by IR spectroscopy and XRD. The Mo(VI) breakthrough capacity was found to be 6.54´10-2 mmol Mo(VI)/g, i.e., 6.27 mg Mo(VI)/g. The prepared 99Mo/99mTc chromatographic column generator showed a good performance. The 99mTc elution yield was found to be 75.0 % at flow rate of 1 ml/min, pH of the eluate ranged from 5.5-7.5, the radionuclidic purity of the eluted 99mTc was > 99.99 % and Al3+ content in the eluate was < 5 ppm. In conclusion Nano magnesium aluminum layered double hydroxide (MgAl LDH) sorbent was well synthesized and characterized and used as a base material for 99Mo/99mTc column generator achieving higher loading capacities than that of alumina. | ||||
| Keywords | ||||
| layered double hydroxide; nano MgAl LDH; 99Mo-99mTc generator; breakthrough capacity | ||||
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