Silicium dioxide

An oxide layer is produced on the surface of the silicium wafer (Si02). This layer of silicium dioxide is an isolating layer on the surface, it is usually grown in an atmosphere containing oxygen, water vapor or other oxidants (02, 03, H202). 

A tablet formulation is a complex system that contains the drug substance, usually a hydrophilic Lllersuch as lactose, a disintegrant such as cornstarch, a lubricant such as magnesium stearate, and maybe a Low-regulating excipient such as silicium dioxide (A sliilnfortunately, the quality... 

From a chemical point of view, silica gel is silicium dioxide in the crystal structure each silicium atom is surrounded by four oxygen atoms. There are some specific... 

Realdon N, Ragazzi E, Zotto MD, Fini GD. Effects of silicium dioxide on drug release from suppositories. Drug Dev Ind Pharm 1997 23 1025-1041. 

The fluoride present in the inner tube will, in the acidic environment, react with the silicium dioxide of the quartz sand forming hexafluorosilicic acid. 

Synonyms Silicic anhydride Silicium dioxide Silicon dioxide Classification Inorganic oxide... 

Silicic anhydride Silicium dioxide. See Silica Silicochloroform. See Trichlorosilane Silicon... 

Leboda, R., Tertykh, V.A., Sidorchuk, V.V., and Skuhiszewska-Zieba, J. 1998b. Peculiarities of steam-phase hydrothermal modification of pyrogenic silicium dioxide. Colloids Surf. A Physicochem. Eng. Aspects 135 253-265. 

Dordelmann, G., Pfeiffer, H., Birkner, A., and Schatzschneider, U. (2011) Silicium dioxide nanoparticles as carriers for photoactivatable CO-releasing molecules (PhotoCORMs). Inorg. Chem., 50, 4362-4367. 

Silicic acid, disodium salt. See Sodium metasilicate Silicic acid hydrate Silicic acid hydrated. See Silica, hydrated Silicic acid, potassium salt. See Potassium silicate Silicic acid, sodium salt. See Sodium silicate Silicic anhydride Silicium dioxide. See Silica Silicon dioxide. See Novaculite Quartz Silica, fumed Silica Silicon dioxide, diatomaceous. See Diatomaceous earth Silicone... 

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