METHOD FOR PRODUCING SYNTHETIC HYDROXYAPATITE NANOPLATES AND NANOPOWDER CONTAINING SYNTHETIC HYDROXYAPATITE NANOPLATE

摘要

The method according to the invention relates to hydroxyapatite with a hexagonal structure. It includes a step of the precursor preparation in a form of homogeneous mixture of the suspension of calcium hydroxide in water and phosphoric acid, and a step of forming of crystalline nanostructures in such precursor. During the step of crystalline nanostructures formation the prepared precursor is subjected to microwave radiation having a power density in the range from 1 to 10 watts per 1 cm3 of the precursor for a period of 10 to 900 seconds. The nanopowder featured in the invention has the average size of nanonoplates, determined by the longest chord of the outline as a result of the designation of the particle size distribution during the dark-field imagining in the transmission electron microscope and its fitting to the resulting Gaussian distribution graph, in the range of 3 to 30 nm.