The influence of cations on growth kinetics of silica aggregates
- Beelen, TPM Theo
- Wijnen, PWJG Peter
- Rummens, CPJ Kees
- Santen, RA Rutger van
Publication date
January 1990
DOI Publisher
The Materials Research Society of Japan ISSN
1946-4274Abstract
Silica gels are prepd. by acidification (pH = 2-4) of water glass. SAXS measurements show that the gel consists of fractal aggregates (D = 2.2). Although the fractal dimension is not influenced by addn. of cations, Al3+ and Mg2+ retard the growth of the fractal aggregates, while TMA has a promoting effec
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