Abstract
The experimental design strategy is applied to study and model the preparation of oxygenated apatite obtained by the dissolution-reprecipitation of hydroxyapatite in a hydrogen peroxide. The oxygenated apatite obtained is characterized by infrared spectroscopy (IR), X-ray diffraction (XRD) and scanning electron microscopy (SEM). The characterization by analyzes (IR, DRX, SEM) shows that the dissolution-repricipitation method gives better results for oxygenated apatite containing molecular oxygen. For this, we studied the influence of the four factors such as the temperature of the reaction medium, the pH, the concentration of hydrogen peroxide and the mass of the attacked hydroxyapatite. As well as their interactions whose goal is to increase the molecular oxygen insertion rate in apatitic tunnel. The orthogonal centered composite plane allowed us to establish an equation that links the insertion rate according to the factors studied, and we obtained an optimum of introduction of 5.06%.
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Naanaai, L., Azzaoui, K., Lamhamdi, A. et al. Study and Optimization of Oxygenated Apatite Obtained by Dissolution-Reprecipitation of Hydroxyapatite in a Solution of Hydrogen Peroxide. Chemistry Africa 3, 227–235 (2020). https://doi.org/10.1007/s42250-019-00100-y
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DOI: https://doi.org/10.1007/s42250-019-00100-y