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Sorption behavior and speciation of Amiii in orthophosphates of rare-earth elementsстатья
- Авторы: Romanchuk A.Yu, Gracheva N.N., Bryukhanova K.I., Seregina I.F., Trigub A.L., Gavrichev K.S., Kalmykov S.N.
- Журнал: Mendeleev Communications
- Год издания: 2018
- Издательство: Elsevier BV
- Местоположение издательства: Netherlands
- DOI: 10.1016/j.mencom.2018.05.025
- Аннотация: It has been found that leaching of Amiii from the surface after the sorption is characterized by slow kinetics; over 10 days are required to reach a dynamic equilibrium in the system. The leaching process is accompanied by the formation of Am-containing phosphate phase on the sorbent surface. Annealing the sample at 400 °C for 5 h after sorption results in incorporation of the sorbed cation into the sorbent structure, which allows subsequent leaching to be reduced considerably.
- Добавил в систему: Романчук Анна Юрьевна