Hydroxyapatite of platelet morphology synthesized by ultrasonic precipitation from solution
AV Kuznetsov, AS Fomin, AG Veresov… - Russian Journal of …, 2008 - Springer
AV Kuznetsov, AS Fomin, AG Veresov, VI Putlyaev, IV Fadeeva, SM Barinov
Russian Journal of Inorganic Chemistry, 2008•SpringerHydroxyapatite (HA) synthesis by precipitation with urea from aqueous solutions of calcium
nitrate and ammonium hydrogenphosphate is studied. Ultrasonication during the synthesis
decreases the size of platelet HA crystals from several micrometers to 200–300 nm. At low
calcium concentrations in solution, the crystallizing phase is carbonate-hydroxyapatite,
whereas at high calcium concentrations, octacalcium phosphate (OCP) precedes
hydroxyapatite crystallization.
nitrate and ammonium hydrogenphosphate is studied. Ultrasonication during the synthesis
decreases the size of platelet HA crystals from several micrometers to 200–300 nm. At low
calcium concentrations in solution, the crystallizing phase is carbonate-hydroxyapatite,
whereas at high calcium concentrations, octacalcium phosphate (OCP) precedes
hydroxyapatite crystallization.
Abstract
Hydroxyapatite (HA) synthesis by precipitation with urea from aqueous solutions of calcium nitrate and ammonium hydrogenphosphate is studied. Ultrasonication during the synthesis decreases the size of platelet HA crystals from several micrometers to 200–300 nm. At low calcium concentrations in solution, the crystallizing phase is carbonate-hydroxyapatite, whereas at high calcium concentrations, octacalcium phosphate (OCP) precedes hydroxyapatite crystallization.
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