Abstract
Wollastonite is one of the most widely used bioceramic due to its biocompatibility and bioactivity. Wollastonite (CaSiO3) was synthesized by sol-gel combustion process using citric acid as a fuel/reductant and nitrate as an oxidant. Calcium nitrate was taken as a source of calcium and tetraethyl orthosilicate was taken as the source of silicate. The obtained product was characterized by powder X-ray diffraction, Fourier - Transform Infrared spectroscopy and Scanning electron microscopy. The XRD pattern shows that the product formed is a pure and single phasic wollastonite. The FT-IR spectra revealed that there is no secondary phase present in the product. The SEM image shows that the product is highly porous. The particle size calculated using Scheerer’s formula shows that the particles are in a nano regime.
Published Version
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