molar mass of hydroxyapatite

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November 29th, 2020

Hydroxyapatite, also called hydroxylapatite (HA), is a naturally occurring mineral form of calcium apatite with the formula Ca 5 (PO 4) 3 (OH), but it is usually written Ca 10 (PO 4) 6 (OH) 2 to denote that the crystal unit cell comprises two entities. The molar mass of hydroxyapatite is 502 g/mol. hydroxyapatite: Ca10(PO4)6(OH)2 fluoroapatite: Ca10(PO4)6F2 Due to its outstanding properties such as biocompatibility, bioactivity, osteoconductivity and non toxicity and non inflammatory nature, nano-hydroxyapatite bioceramic has got a variety of applications in medical and oral care areas. Using a molecular dynamics simulated annealing method, we studied the structure and its variation with annealing temperature of the HAP (100) surface. The idea is to convert hydroxyapatite into more stable fluorapatite. Hydroxyapatite, nanopowder, <200 nm particle size (BET), contains 5 wt. Sodium Fluoride is added to drinking water. We have used molecular dynamics simulations to investigate the early processes in the nucleation of hydroxyapatite at a collagen template, by immersing a triple-helical collagen molecule in a stoichiometric solution of Ca2+, PO43–, and OH– ions, where we have observed the formation of calcium phosphate clusters at the collagen template. All the samples were cut into 2-mm-thick disks with a diameter of 15mm. Hydroxyapatite (HAp) is a calcium phosphate similar to the human hard tissues in morphology and composition. 2014 Jun;14(6):872-80. doi: 10.1002/mabi.201300415. Ultra-high molecular weight poly-ethylene (UHMWPE; Roechling, Munich, Germany) with a molecular weight of two million served as the control. Epub 2014 Jan 17. The surface structure of hydroxyapatite (HAP) is crucial for its bioactivity. Effects of physical and chemical treatments on the molecular weight and degradation of alginate-hydroxyapatite composites Macromol Biosci. Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). Weights of atoms and isotopes are from NIST article. % silica as dopant, synthetic, 574791 Hydroxyapatite, synthetic, 99.8% trace metals basis (excludes Mg), and molding process. 3.1.3 Molecular weight Molecular weight: 502.31 g/mol 3.1.4 Purity, composition and substance codes Company A and C (material 1): Hydroxyapatite as the main component; Potassium chloride (KCl) as preservative and water as excipient. Company B (material 2): “Artificially synthesized, amorphous, nano-disperse calcium (1 u is equal to 1/12 the mass of one atom of carbon-12) Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.

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