Sorption and cocrystallization binding of ZrIV ions with hydroxyapatite as a promising carrier of medical radionuclide 89Zr

Авторы: Severin A.V., Orlova M.A., Kushnir E., Egorov A.V.
Журнал: Russian Chemical Bulletin
Том: 71
Номер: 3
Год издания: 2022
Издательство: Springer Nature
Местоположение издательства: Switzerland
Первая страница: 449
Последняя страница: 456
DOI: 10.1007/s11172-022-3432-3
Аннотация: A significant difference in behavior of ZrIV ions during their cocrystallization andsorption binding to hydroxyapatite (HAP) is demonstrated. When the concentration ofdoping ions exceeds 10–4 mol L–1, a chemical reaction with the formation of amorphouszirconium phosphate and complete dissolution of the sorbent occurs in the system ratherthan sorption. According to the X-ray diffraction and transmission electron microscopy(TEM) data, a similar reaction is also possible at lower concentrations of zirconium ions.The effect of doping ions on the morphology and structure of HAP is significantly lower forthe cocrystallization introduction of Zr. In addition, according to high-resolution TEMdata, doping ions can uniformly be distributed over the carrier surface or volume. Therefore,this method of binding method can be recommended for the preparation of a target HAP-Zrcomplex.
Добавил в систему: Северин Александр Валерьевич

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