Hydrated silica

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Description

A jelly-like semi-solid material composed of hydrated silicon dioxide. Hydrated silica, or silicic acid, is prepared by acidifying a solution of sodium silicate. When dried, hydrated silica forms amorphous lumps that are called silica gel. Hydrated silica is used for paper and textile coatings.

Synonyms and Related Terms

silicic acid

Composition SiO2-nH2O
CAS 7699-41-4

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