Synthesis of the Nanoscale Calcium Hydroxyapatite from Calcium Malate and Ammonium Hydrophosphateстатья
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Дата последнего поиска статьи во внешних источниках: 23 сентября 2021 г.
Аннотация:A new method for obtaining the nanoscale hydroxyapatite with low crystallinity from aqueous
solution of calcium malate Ca(C4H5O5)2 and ammonium hydrophosphate (NH4)2HPO4 at room temperature, molar ratio Ca/P = 1.67, and pH = 9 was proposed. After synthesis and drying, the sample was a transparent composite with a matrix from the by-product of the reaction of organic nature containing nanoscale particles of calcium phosphate. The phase composition of the sample after thermal treatment at 900°C was represented by calcium hydroxyapatite.