Abstract
Sorption of zinc ions and 69mZn radionuclide proceeds much more rapidly on hydroxyapatite modified with zinc ions (HAP-Zn) than on unmodified HAP. The sorption can be described by a pseudo-second order model and probably follows an exchange mechanism, as evidenced by the transfer of calcium ions into the mother liquor during the process. Sorbed 69mZn participates in a slow reverse isotope exchange with the solution containing non-radioactive zinc ions.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 10, pp. 2023–2026, October, 2021.
This work was financially supported by the Russian Foundation for Basic Research (Project No. 19-08-00055).
This paper does not contain descriptions of studies on animals or humans.
The authors declare no competing interests.
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Orlova, M.A., Severin, A.V., Shalamova, E.S. et al. Modified hydroxyapatite as a carrier for 69mZn. Russ Chem Bull 70, 2023–2026 (2021). https://doi.org/10.1007/s11172-021-3311-3
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DOI: https://doi.org/10.1007/s11172-021-3311-3