|
Silica Gel
Silica gel is a granular, vitreous, porous form of silicon dioxide made synthetically from sodium silicate. Despite its name, silica gel is a solid. It is a naturally occurring mineral that is purified and processed into either granular or beaded form. As adesiccant, it has an average pore size of 2.4 nanometers and has a strong affinity for water molecules.
|