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Preparation of calcium hydroxyapatitie using amides

Authors
Journal
Polyhedron
0277-5387
Publisher
Elsevier
Publication Date
Volume
13
Issue
22
Identifiers
DOI: 10.1016/s0277-5387(00)83673-6

Abstract

Abstract Calcium hydroxyapatite (HAP) was prepared by homogeneous precipitation using formamide and acetamide. The particles formed under various conditions were characterized by XRD, FT-IR, TEM, SEM, ICP, TG-DTA and N 2 adsorption. The crystallinity and morphology of the products depended on the kind and concentration of amides and the ageing time. The large rod-like well crystallized HAP particles were obtained in the presence of acetamide. Acetamide hydrolysed more slowly than formamide, forming a smaller quantity of nuclei resulting in larger HAP particles. However, the excess acetamide interfered with the formation of HAP.

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