Properties of iron-containing nanohydroxyapatite-based composites
| Autor: | M. M. Anuchina, V. D. Dolzhenko, A. V. Severin, Denis A. Pankratov, E. A. Ovchenkov |
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| Rok vydání: | 2017 |
| Předmět: |
Aqueous solution
Calcium hydroxide Materials science General Chemical Engineering Inorganic chemistry Metals and Alloys 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Magnetic susceptibility 0104 chemical sciences law.invention Inorganic Chemistry chemistry.chemical_compound chemistry law Magnetochemistry Reagent Mössbauer spectroscopy Materials Chemistry Crystallite Composite material 0210 nano-technology Electron paramagnetic resonance |
| Zdroj: | Inorganic Materials. 53:115-124 |
| ISSN: | 1608-3172 0020-1685 |
| Popis: | The paramagnetic properties of compounds resulting from the synthesis of nanohydroxyapatite in the presence of Fe(III) ions have been studied by electron paramagnetic resonance, Mossbauer spectroscopy, and magnetochemistry. Based on the obtained results on the mechanism of the reaction between an orthophosphoric acid solution and an aqueous calcium hydroxide suspension, we have found conditions for incorporating Fe(III) impurity ions into hydroxyapatite. We have studied samples differing in the sequence in which reagents were mixed and in hydroxyapatite crystallite formation conditions. It has been shown that, in all instances, the composition and properties of the iron-containing phases in the composites depend significantly on both synthesis and heat treatment conditions. |
| Databáze: | OpenAIRE |
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