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Journal of Sol-Gel Science and Technology
Erschienen in: Journal of Sol-Gel Science and Technology 1/2020

08.08.2020 | Original Paper: Fundamentals of sol-gel and hybrid materials processing

Optimization of process parameters for preparation of hydroxyapatite by the sol–gel method

verfasst von: Lei Guo, Bowen Li, Chenglong Zhang

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 1/2020

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Abstract

Hydroxyapatite (HA) powder was prepared by a sol–gel method using Ca(NO3)2·4H2O and (NH4)2HPO4 as raw materials. The usage of preset parameters just mixing the two raw materials only produced Ca2P2O7 and β-Ca3(PO4)2, without any evidence of HA. Then, effects of the reactant concentration, dropping speed, pH value, and mechanical stirring time on the reaction products were studied, and the process parameters were optimized. Results show that the optimum condition for the preparation of HA powder could be obtained by adding Ca(NO3)2·4H2O, (NH4)2HPO4, and citric acid to the reaction base solution, in turn, adjusting the pH value of the reaction solution with concentrated nitric acid to 2.5 and stirring the reaction solution manually. The parameters of calcination process were optimized by DSC analysis, and the HA powder with good crystallinity was successfully prepared.
Vorheriger Artikel A mesostructured hybrid CTA–silica carrier for curcumin delivery
Nächster Artikel Direct synthesis of c-axis-oriented HZSM-5 zeolites in polyacrylamide hydrogel

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Metadaten
Titel
Optimization of process parameters for preparation of hydroxyapatite by the sol–gel method
verfasst von
Lei Guo
Bowen Li
Chenglong Zhang
Publikationsdatum
08.08.2020
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 1/2020
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-020-05381-1

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