Sodium silicate clearing agent, though, sodium silicate is sometimes confused with isinglass which is prepared from collagen extracted from the dried swim bladders of sturgeon and other fishes. Eggs preserved in a bucket of waterglass gel, and their shells are sometimes also used (baked and crushed) to clear wine. Sodium silicate gel is also used as a substrate for algal growth in aquaculture hatcheries. Sodium silicate Sodium silicate is a generic name for chemical compounds with the formula or ·, such as sodium metasilicate , sodium orthosilicate , and sodium pyrosilicate . The anions are often polymeric. These compounds are generally colorless
Winemaking in Bordeaux process before being released. In Bordeaux the oenologists play a huge role. Many oenologists work as consultants to different châteaux and carry much weight in major decisions regarding the wine. Amongst the most famous oenologists are Emile Peynaud, Jacques Boissenot, Pascal Chantonnet, Olivier Dauga, Stéphane Derenoncourt, Denis Dubourdieu, Jean-Philippe Fort, Gilles Pauquet, Michel Rolland, Stéphane Toutoundji and Christian Veyry. Winemaking in Bordeaux Winemaking in Bordeaux is the collection of processes used to make Bordeaux wine. Winemaking in Bordeaux differs from winemaking in other places both because of the Bordelais climate and because of the particular Bordeaux style which the wine-maker