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The size and shape of silica particles
Authors:A. Larsson
Affiliation:G?teborg University Department of Chemistry Physical Chemistry S-41296 G?teborg, Sweden e-mail: zoombie@phc.chalmers.se Tel.: +46-31-7722748 Fax: +46-31-167194, SE
Abstract:Negatively charged silica particles were investigated at pH 10.0. They were found to be rod-shaped (cylinder) with a diameter of 5–5.5 nm and a full length of 44–67 nm depending on the rod model used. Moreover, the particles were found to be stable against aggregation in the region 0.4–50 mM NaCl. Received: 2 December 1998 Accepted in revised form: 2 February 1999
Keywords:Silica  Rod  Small angle scattering  Light scattering
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