Síntesis y caracterización de polvos de hidroxiapatita carbonatada tipo b con diferentes contenidos de carbonato

María Isabel Ochoa Gómez; María Esperanza López Gómez; Hamilton Copete López

doi:10.17533/udea.rcm.n17a03

Authors

María Isabel Ochoa Gómez University of Antioquia
María Esperanza López Gómez University of Oviedo
Hamilton Copete López University of Antioquia

DOI:

https://doi.org/10.17533/udea.rcm.n17a03

Keywords:

hydroxyapatite, carbonata type B, wet precipitation, reverse method

Abstract

Hydroxyapatite (HA) is a material widely used in biological applications, although its application is often limited due to its stability in physiological environments. That is why it arises as an alternative, the Carbonate Hydroxyapatite type B (CHA), which has greater similarity to biological bone due to the presence of carbonate ion in its structure. In order to obtain it, different synthesis methods have been used, however, the complexity and low reproducibility of many of them has made it an increasingly researched topic. In this work it is shown the synthesis and characterization of HA and CHA type B by the inverse type wet precipitation method, with 3 different carbonate contents, denoted as C2, C3 and C4 with carbon/phosphorus relations (C/P) of 0.25, 0.375 and 0.5 respectively, being C4 the CHA with higher carbonate content. The synthesized powders were characterized by X-ray diffraction (XRD), X-ray fluorescence (WD-XRF), combustion of carbon by Leco analyzer, Fourier transform infrared spectroscopy (FTIR) and transmission electron microscopy (TEM).

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Author Biographies

María Isabel Ochoa Gómez, University of Antioquia

Materials Engineer.

María Esperanza López Gómez, University of Oviedo

Ph.D. in Materials Science and Technology.

Hamilton Copete López, University of Antioquia

M.Sc., Materials Engineer.

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