Calcium hydroxyapatite powders were prepared by hydrothermal reactions of calcium
pyrophosphate and calcium oxide. Primary particles of the hydroxyapatite obtained were …

Hydroxyapatite as well as tricalcium phosphate is known to be biocompatible with human
bone and tooth. Advances in biomaterials are occurring at an accelerated rate and much …

Calcium hydroxyapatite has been prepared due to a direct precipitation reaction between
0.3 m orthophosphoric acid solution and 0.1 mol calcium hydroxide dispersed in 200 ml …

A hydroxyapatite slurry was prepared by stirring into water a stoichiometric mixture of
tricalcium phosphate and calcium hydroxide until the solid content was 50 wt%. Samples …

Carbonate containing hydroxyapatites were prepared hydrothermally between 2000 and
20,000 psi and 250 and 900° C using H 2 O or CO 2 pressure. On the basis of IR, x-ray and …

A simplified hydrothermal method of synthesizing hydroxyapatite powder is described.
Heating powders of Ca (OH) 2, Ca (H2PO4) 2· H2O and distilled water in a pressurized pot …

An ethylene glycol solution of Ca (OAC) 2. xH2O and a butanol solution of P2O5 were used
as precursors to produce hydroxyapatite. Acetic acid (HOAC) and ammonium nitrate …

A new processing technique for preparing hyroxyapatite (HAp) ceramics has been
developed using the hydrothermal hot‐pressing (HHP) method. Powder mixed dibasic …

The powder of amorphous calcium phosphate(ACP) containing 20mass% water, prepared
from aqueous solution of Ca (NO3) 2 and(NH4) 2HPO4, was hot-pressed hydrothermally at …

Hydroxyapatite (HA) was synthesized by the hydrothermal treatment of octacalcium
phosphate (OCP). Powder of OCP was hydrothermally treated with distilled water at 120 …