Effect of Water on Transformation of Amorphous Silica to Coesite
β Scribed by TETSUYA KAMEYAMA; SHIGEHARU NAKA
- Book ID
- 110813952
- Publisher
- John Wiley and Sons
- Year
- 1974
- Tongue
- English
- Weight
- 128 KB
- Volume
- 57
- Category
- Article
- ISSN
- 0002-7820
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## Abstract The goal of this study was to determine the effect that silica and zirconia have on the stability of bioactive amorphous calcium phosphate (ACP) mineral, i.e., in retarding its transformation to hydroxyapatite (HAP). The glassβforming agents, tetraethoxysilane and zirconyl chloride, wer
Hydrothermal syntheses were made mainly in the binary system SiO2-H20 in a temperature range between 300 ~ C and 500 ~ C and pressures from 0.2 kbar up to 4.0 kbar with various starting materials. In this way the transformation behavior of different amorphous silicas via cristobalite and keatite to