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首页> 外文期刊>Journal of Materials Engineering and Performance >Effect of Heat Treatment Temperature on Chemical Compositions of Extracted Hydroxyapatite from Bovine Bone Ash
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Effect of Heat Treatment Temperature on Chemical Compositions of Extracted Hydroxyapatite from Bovine Bone Ash

机译：热处理温度对牛骨灰中提取羟基磷灰石化学成分的影响

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This article presents the effect of heat treating temperature on chemical composition of hydroxyapatite (HA) that was produced by burning bovine bone, and then heat treating the obtained bone ash at different temperatures in range of 600-1100 °C in air. Bone ash and the resulting white powder from heat treating were characterized by Fourier transformed infrared spectroscopy (FT-IR) and x-ray diffractometry (XRD). The FT-IR spectra confirmed that heat treating of bone ash at temperature of 800 °C removed the total of organic substances. x-ray diffraction analysis showed that the white powder was HA and HA was the only crystalline phase indicated in heat treating product. x-ray fluorescence analyses revealed that calcium and phosphorous were the main elements and magnesium and sodium were minor impurities of produced powder at 800 °C. The results of the energy dispersive x-ray analysis showed that Ca/P ratio in produced HA varies in range of 1.46-2.01. The resulting material was found to be thermally stable up to 1100 °C.
机译：本文介绍了热处理温度对燃烧牛骨产生的羟基磷灰石（HA）的化学成分的影响，然后在空气中600-1100°C的不同温度下对所得骨灰进行热处理。用傅里叶变换红外光谱（FT-IR）和X射线衍射仪（XRD）对骨灰和热处理产生的白色粉末进行表征。 FT-IR光谱证实，在800°C的温度下对骨灰进行热处理可以除去全部有机物质。 X射线衍射分析表明，白色粉末是HA，并且HA是热处理产物中指示的唯一结晶相。 X射线荧光分析表明，在800°C下，所生产粉末的主要元素为钙和磷，而镁和钠为次要杂质。能量色散X射线分析的结果表明，所产生的HA中的Ca / P比在1.46-2.01的范围内变化。发现所得材料在高达1100℃下是热稳定的。

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