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Properties of iron-containing nanohydroxyapatite-based composites

机译:含铁纳米羟基磷灰石基复合材料的性能

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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.
机译:已经通过电子顺磁共振,Mossbauer光谱和磁化学研究了在Fe(III)离子存在下合成纳米羟基磷灰石的化合物的顺磁特性。基于正磷酸溶液和氢氧化钙水溶液悬浮液之间反应机理的结果,我们发现了将Fe(III)杂质离子引入羟基磷灰石的条件。我们研究了在混合试剂顺序和羟基磷灰石微晶形成条件方面不同的样品。已经表明,在所有情况下,复合物中含铁相的组成和性质在很大程度上取决于合成条件和热处理条件。

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