Lanthanides in phosphates with the structure of whitlockite mineral [analog of β-Ca3(PO4)2]
作者： A. I. Orlova , M. P. Orlova , E. M. Solov’eva , E. E. Loginova , V. T. Demarin
DOI: 10.1134/S1066362206060038
关键词: Lanthanide 、 Hydrolysis 、 Chemistry 、 Mineral 、 Hydrothermal circulation 、 Thermal expansion 、 Inorganic chemistry 、 Solid solution 、 Nuclear chemistry 、 Calcium 、 Whitlockite
摘要: Data on phosphates with the structure of biogenic whitlockite mineral [analog low-temperature modification β-Ca3(PO4)2] were analyzed. The possibility isomorphic substitution cations in was evaluated and formation solid solutions various compositions involving elements oxidations states 1+, 2+, 3+, 4+, including lanthanides other isotopes occurring wastes from radiochemical plants, studied. Phosphates Ca, Mg, (Sm, Eu, Gd) prepared by sol-gel procedure, their thermal, thermomechanical (thermal expansion), hydrolytic properties determined. results hydrothermal thermal experiments compared published data for calcium phosphate matrices immobilization radioactive (RAW).
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