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DOI: 10.1039/A807404F (Paper) Reference Section for: Chem. Commun., 1998, 2587-2588

Crystalline silica prepared at room temperature from aqueous solution in the presence of intrasilica bioextracts

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Carole C. Perry and Tracey Keeling-Tucker

Abstract

Silica, exhibiting crystalline texture has been prepared from aqueous solution at pH ca. 7 in the presence of intrasilica biomolecules extracted from the primitive plant Equisetum telmateia; some of the silica shows interplanar lattice spacings of 3.5 Å and is present in lath-like objects up to ca. 20–30 nm wide and more than 100 nm in length; an electron diffraction pattern obtained from this material also shows interplanar spacings of 3.46, 2.13 and 1.70 Å suggesting that the material might be quartz.

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