known as silica, is an oxide of silicon with the chemical formula SiO2, commonly found in nature as quartz. In many parts of the world, silica is the major...

Silica gel is an amorphous and porous form of silicon dioxide (silica), consisting of an irregular tridimensional framework of alternating silicon and...

Look up silica or sílica in Wiktionary, the free dictionary. Silica or silicon dioxide is a chemical compound. Silica may also refer to: Silica gel, a...

main classes of amorphous silica are pyrogenic silica,  precipitated silica and silica gel. Among them, precipitated silica has the greatest commercial...

Fumed silica (CAS number 112945-52-5), also known as pyrogenic silica because it is produced in a flame, consists of microscopic droplets of amorphous...

Silica fume, also known as microsilica, (CAS number 69012-64-2, EINECS number 273-761-1) is an amorphous (non-crystalline) polymorph of silicon dioxide...

Fused quartz, fused silica or quartz glass is a glass consisting of almost pure silica (silicon dioxide, SiO2) in amorphous (non-crystalline) form. This...

Hydrophobic silica is a form of silicon dioxide (commonly known as silica) that has hydrophobic groups chemically bonded to the surface. The hydrophobic...

Two-dimensional silica (2D silica) is a layered polymorph of silicon dioxide. Two varieties of 2D silica, both of hexagonal crystal symmetry, have been...

The alkali–silica reaction (ASR), also commonly known as concrete cancer, is a deleterious internal swelling reaction that occurs over time in concrete...

conductivity. Aerogels can be made from a variety of chemical compounds. Silica aerogels feel like fragile styrofoam to the touch, while some polymer-based...

Colloidal silicas are suspensions of fine amorphous, nonporous, and typically spherical silica particles in a liquid phase. It may be produced by Stöber...

Silica sulfuric acid (SiO 2-OSO 3H 2, SSA), a solid acid, is prepared by soaking silica gel with sulfuric acid. SSA is used as a catalyst in different...

Hydrated silica is a form of silicon dioxide, which has a variable amount of water in the formula. When dissolved in water, it is usually known as silicic...

Biogenic silica (bSi), also referred to as opal, biogenic opal, or amorphous opaline silica, forms one of the most widespread biogenic minerals. For example...

Silica fibers are fibers made of sodium silicate (water glass). They are used in heat protection (including asbestos substitution) and in packings and...

Amorphous silica-alumina is a synthetic substance that is used as a catalyst or catalyst support. It can be prepared in a number of ways for example: Precipitation...

and fiber optics, a plastic-clad silica fiber or polymer-clad silica fiber (PCS) is an optical fiber that has a silica-based core and a plastic cladding...

which may render volcanic crystalline silica much less pathogenic than some other forms of crystalline silica. Silicosis is a form of occupational lung...

All-silica fiber, or silica-silica fiber, is an optical fiber whose core and cladding are made of silica glass. The refractive index of the core glass...

a form of occupational lung disease caused by inhalation of crystalline silica dust. It is marked by inflammation and scarring in the form of nodular lesions...

DNA separation by silica adsorption is a method of DNA separation that is based on DNA molecules binding to silica surfaces in the presence of certain...

optical fiber and pointed out the right material to use for such fibers—silica glass with high purity. This discovery earned Kao the Nobel Prize in Physics...

typical chemical composition of oven-dried diatomaceous earth is 80–90% silica, with 2–4% alumina (attributed mostly to clay minerals), and 0.5–2% iron...

Soda–lime glass, also called soda–lime–silica glass, is the most prevalent type of glass, used for windowpanes and glass containers (bottles and jars)...

Mesoporous silica is a form of silica that is characterised by its mesoporous structure, that is, having pores that range from 2 nm to 50 nm in diameter...

Silica Gel (Korean: 실리카겔) is a South Korean indie rock band. The band currently consists of Kim Geonjay, Kim Chunchu, Kim Hanjoo and Choi Woonghee. Since...

Silica is a 2023 science fiction real-time strategy shooter video game developed by Martin "Dram" Melichárek and published by Bohemia Interactive, released...

construction with clays, silica sand, and stone. Silicates are used in Portland cement for mortar and stucco, and mixed with silica sand and gravel to make...

The silica cycle is the biogeochemical cycle in which biogenic silica is transported between the Earth's systems. Silicon is considered a bioessential...