| Autor: |
Lemos, A.F., Rebelo, A.H.S., Rocha, J.H.G., Ferreira, José Maria F. |
| Zdroj: |
Key Engineering Materials; April 2005, Vol. 284 Issue: 1 p67-70, 4p |
| Abstrakt: |
Stable and relatively concentrated aqueous suspensions of nano-sized stoichiometric hydroxyapatite could be prepared by a precipitation method in the presence of suitable surface active agent (SAA). The method includes the precipitation, vacuum filtration and washing of the precipitated powders, followed by re-dispersion. It could be concluded that the added amount of the SAA should be enough to cover the primary particles surface, and that washing should be better carried out using a SAA solution. The method developed enables the precipitation of the powders and the preparation of suspensions, while significantly shortening the overall time required for colloidal processing consuming. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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