Comparison of the sorption behavior of 99Mo by Ti-, Si-, Ti-Si-xerogels and commercial sorbents
| Autor: | C. López-Reyes, K. Issac-Olivé, N. Moreno-Gil, V. E. Badillo-Almaraz, R. Pérez-Hernández |
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| Rok vydání: | 2021 |
| Předmět: |
Materials science
Silicon Health Toxicology and Mutagenesis Public Health Environmental and Occupational Health chemistry.chemical_element Sorption Pollution Analytical Chemistry Partition coefficient Nuclear Energy and Engineering chemistry Chemical engineering Molybdenum Radiology Nuclear Medicine and imaging Neutral ph Spectroscopy Titanium |
| Zdroj: | Journal of Radioanalytical and Nuclear Chemistry. 328:679-690 |
| ISSN: | 1588-2780 0236-5731 |
| DOI: | 10.1007/s10967-021-07663-6 |
| Popis: | Single and binary titanium and silicon xerogels were prepared to evaluate and compare their sorption performance with commercial sorbents (Al2O3 and TiO2) used for the 99Mo/99mTc separation, under neutral pH and room temperature conditions. Molybdenum sorption capacities were determined by batch equilibrium systems using Mo(VI) solutions labelled with 99Mo radiotracer. Ti-xerogel showed the highest 99Mo distribution coefficient and sorption capacity, while Si-xerogel exerted null affinity. Binary xerogels and reference sorbents showed similar capacities. Additionally, Ti-xerogel, after a heating process, drastically decreased its sorption capacity. Finally, a molybdenum sorption mechanism was studied. |
| Databáze: | OpenAIRE |
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