Synonyms: the(r) desiccant; silicon dioxide pyrogene, highdispers; silver nitrate-impregnated silica gel; sulfuric acid-impregnated silica gel; sand; silica gel 100; silica; dry silica gel,high-effecienty; amorphous silica gel; gel & precipitated silica; silica, amorphous; silica, amorphous, precipitated and gel.; silica gel desiccant 12-28 mesh, grade 408; silica gel dessiccant; silicon dioxide, amorphous gel; aerosil; amorphoussilicadust; silica gel; amorphous silicon dioxide; prep sep si; silicic acid, precipitated; colloidal silica; Silica, hydrate