Journal
JOURNAL OF THE INDIAN CHEMICAL SOCIETY
Volume 98, Issue 11, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jics.2021.100191
Keywords
Hydroxyapatite; Combustion; Citric acid; Substitution
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Hydroxyapatite, a versatile compound resembling natural bone mineral, shows potential for substitution and application in various fields. Properties of calcium and strontium are similar, with strontium serving as a bone-seeking trace-element that accumulates in new trabecular bone. Synthesis of strontium-substituted hydroxyapatite at 900 degrees C led to the formation of 46-50 nm particles, indicating the importance of calcination temperature in its phase formation.
Hydroxyapatite is a versatile compound resembling natural bone mineral. HAP insinuates feasibility with substitution ensuing in its application in various fields. The properties of calcium and strontium are cognate and pose as a bone-seeking trace-element that accumulates in new trabecular bone. Strontium substituted hydroxyapatite, Ca9.5Sr0.5(OH)(2)(PO4)(6), was synthesized using citric acid as fuel and calcined 900 degrees C. The as-prepared product notably was characterized by powder X-ray diffraction, Fourier - Transform Infrared spectroscopy and Scanning Electron Microscope along with Energy Dispersive Spectroscopy. FT-IR analysis exhibited stretching and bending vibrations of (PO4)(3-) and OH- groups along without any signal of carbonate group. Studies showed that product formed is strontium substituted hydroxyapatite, and calcination temperature plays an essential role in the formation of hydroxyapatite phase. The precursors when calcined resulted in 46-50 nm of Sr substituted hydroxyapatite.
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