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Patent AT-E40094-T1: [Translated] PROCESS FOR THE PRODUCTION OF SILICA COLLOIDS AND SPHERICAL SILICA.

Published by National Center for Biotechnology Information (NCBI) | U.S. Department of Health & Human Services | Catalog Last Checked: September 10, 2026 at 08:19 PM | Dataset Last Updated: September 06, 2025
1. A process for producing silica colloid by the reaction of a solution of an alkali metal silicate with an acidifying agent by forming a bottoms material containing an aqueous substance by the simultaneous addition of an acidifying agent and the solution of alkali metal silicate characterised by effecting said addition of the reactants at constant volume and continously drawing off the reaction medium and while maintaining a concentration of silica in the reaction medium such as to avoid the agglomeration of colloidal particles.

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