Abstract
Hydrothermal syntheses enable us to prepare HAp crystals with various aspect ratios. HAp crystals 50 nm x145 nm, aspect ratio = 2.9) were crystallized from the HAp precursor precipitated from Ca(OH)2 and H3PO4 solutions at 200 °C under 2MPa for 5 h. Among the experimental factors, adding additives are most effective to control the aspect ratio. KOH, K3PO4 and EDTA gave needle-like HAp; aspect ratio = 63 7 and 11, respectively under the similar hydrothermal conditions.
| Original language | English |
|---|---|
| Pages (from-to) | 1402-1407 |
| Number of pages | 6 |
| Journal | Nippon Kagaku Kaishi |
| Volume | 1991 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - 1991 |
| Externally published | Yes |
ASJC Scopus subject areas
- Chemistry(all)
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Cite this
Yoshimura, M., Suda, H., Okamoto, K., & Ioku, K. (1991). Hydrothermal Synthesis of Needle-like Apatite Crystal. Nippon Kagaku Kaishi, 1991(10), 1402-1407. https://doi.org/10.1246/nikkashi.1991.1402