Double-Substituted Carbonated Hydroxyapatites for Fir Wood Treatment release_7o6jfm3vpncfnnzleedouezjca

Abstract

<jats:title>Abstract</jats:title> The aim of the paper consist in the synthesis of double substituted carbonated hydroxyapatite using Zn<jats:sup>2+</jats:sup> and Mg<jats:sup>2+</jats:sup> ions in comparison with the previous obtained Sr-Zn-CHAp. Fourier transform infrared spectroscopy, X-ray diffraction, environmental scanning electron microscope (ESEM) coupled with EDS is used to highlight the presence of the metallic ions into the apatite structure. Both inorganic compounds are tested as consolidants for two types of fir wood, young and 30-years old samples. The consolidation efficiency is demonstrated by colorimetric analysis, mechanical tests and the specific methods for water absorption behavior. Stronger specimens, especially of young wood, with no significant color differences, more hygroscopic and with higher hysteresis index result after treatment. In conclusion, carbonated hydroxyapatite double substituted with zinc, magnesium and strontium ions can be used in wood preservation-conservation techniques.
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