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silica sol

Name (also silicic acid hydrosol) for colloidal, that is finely divided solutions of silica (silica) in water. The name is made up of pebbles (for silicic acid) and sol (synonym for colloid ) together. The substance is negatively charged and therefore attracts positively charged substances. He owns a high Adsorption capacity and will for the degumming from grape and beautiful used by wine. Silica sol is considered a classic means of discontinuation of yeasts, as well as to remove other means such as activated carbon. bentonite or copper sulphate, If negatively charged substances are also removed, this is done in combination with positively charged, protein-containing fining agents such as gelatin (Silica sol-gelatin fining). A chemically related substance is diatomaceous who also works at the winemaking is used.

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