pure+silica
11Sibelco — Infobox Company company name = SCR Sibelco NV company company type = Private foundation = flagicon|Belgium Lommel, Limburg location city = Dessel, Antwerp location country = Belgium industry = Industrial Metals Minerals key people = Alain… …
12Quartzite — Swan Peak Quartzite (Ordovician) ex …
13Germanium dioxide — Chembox new ImageFile = ImageSize = IUPACName = germanium dioxide OtherNames = Germanium oxide, Germanium(IV) oxide, Germania, Germanic oxide (crystalline), Germanic acid, ACC10380, G 15 Section1 = Chembox Identifiers CASNo = 1310 53 8 PubChem =… …
14quartz glass — noun colorless glass made of almost pure silica • Syn: ↑quartz, ↑vitreous silica, ↑lechatelierite, ↑crystal • Derivationally related forms: ↑crystallize (for: ↑crystal), ↑ …
15glass — glassless, adj. glasslike, adj. /glas, glahs/, n. 1. a hard, brittle, noncrystalline, more or less transparent substance produced by fusion, usually consisting of mutually dissolved silica and silicates that also contain soda and lime, as in the… …
16Glass — /glas, glahs/, n. 1. Carter, 1858 1946, U.S. statesman. 2. Philip, born 1937, U.S. composer. * * * I Solid material, typically a mix of inorganic compounds, usually transparent or translucent, hard, brittle, and impervious to the natural elements …
17refractory — refractorily, adv. refractoriness, n. /ri frak teuh ree/, adj., n., pl. refractories. adj. 1. hard or impossible to manage; stubbornly disobedient: a refractory child. 2. resisting ordinary methods of treatment. 3. difficult to fuse, reduce, or… …
18Space Shuttle Columbia — Columbia OV 102 Space Shuttle Columbia launches on STS 109(HST 3B)to repair the Hubble Space telescope.This was the final sucessful mission of Columbia before STS 107 OV designation OV 102 Country …
19Reversed-phase chromatography — (RPC) includes any chromatographic method that uses a non polar stationary phase. The name reversed phase has a historical background. In the 1970s most liquid chromatography was done on non modified silica or alumina with a hydrophilic surface… …
20Lechatelierite — is silica glass, amorphous SiO2. One common way in which lechatelierite forms naturally is by very high temperature melting of quartz sand during a lightning strike. The result is an irregular, branching, often foamy hollow tube of silica glass… …
