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Co-precipitation of silica and alkaline-earth carbonates using TEOS as silica source

Voinescu, Alina E; Kellermeier, Matthias; Carnerup, Anna; Larsson, Ann-Kristin; Touraud, Didier; Hyde, Stephen; Kunz, Werner

Description

We explore the use of tetraethoxysilane (TEOS) as a silica source for the formation of carbonate-silica composite materials known as 'biomorphs'. The basic hydrolysis of TEOS furnishes silica in a controllable fashion, allowing a significantly higher reproducibility of the obtained silica-barium and silica-strontium carbonate co-precipitates compared to commercial water glass silica used so far. We further discuss the influence of ethanol used as a co-solvent on the morphologies of biomorphs,...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
URI: http://hdl.handle.net/1885/35641
Source: Journal of Crystal Growth
DOI: 10.1016/j.jcrysgro.2007.03.060

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