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Title: Study of the effects of heat-treatment of hydroxyapatite synthesized in gelatin matrix
Authors: Zaits, А. V.
Golovanova, О. А.
Kuimova, Marina Valerievna
Keywords: термическая обработка; гидроксиапатиты; термогравиметрический анализ; рентгеновская дифракция; ИК-спектроскопия; фазовый состав; твердые фазы; термообработка; желатин; матрицы
Issue Date: 2017
Publisher: IOP Publishing
Citation: Zaits А. V. Study of the effects of heat-treatment of hydroxyapatite synthesized in gelatin matrix / А. V. Zaits, О. А. Golovanova, M. V. Kuimova // IOP Conference Series: Materials Science and Engineering. — 2017. — Vol. 168 : Radiation-Thermal Effects and Processes in Inorganic Materials (RTEP2016) : XII International Conference, 4–12 September 2016, Tomsk, Russian Federation : [proceedings]. — [012064, 6 p.].
Abstract: In the study, the isothermal thermogravimetric analysis (TGA) of hydroxyapatite synthesized in gelatin matrix (HAG) has been performed. 3 wt.% HAG samples were synthesized from the solution simulating the human extracellular fluid (SBF). X-ray diffraction and IR spectroscopy were used to determine the composition. During the experiment, increase in the calcination temperature up to 200°C–800°C was found to cause weight loss. The study of phase composition revealed that heat treatment does not affect the phase composition of the solid phase, which is composed of hydroxylapatite (HA). The prepared HAG (3 wt.% gelatin) samples are shown to have low thermal stability; the degradation of the samples occurs at 400° C.
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