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cement chemistry

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  • Cement — In the most general sense of the word, a cement is a binder, a substance which sets and hardens independently, and can bind other materials together. The name cement goes back to the Romans who used the term opus caementicium to describe masonry… …   Wikipedia

  • cement — cementable, adj. cementer, n. cementless, adj. /si ment /, n. 1. any of various calcined mixtures of clay and limestone, usually mixed with water and sand, gravel, etc., to form concrete, that are used as a building material. 2. any of various… …   Universalium

  • Cement kiln — Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica bearing minerals to form a mixture of calcium silicates. Over a billion tonnes of… …   Wikipedia

  • Cement mill — A 10 MW cement mill, output 270 tonnes per hour A cement mill (or finish mill in North American usage[1]) is the equipment used to grind the hard, nodular clinker from the cement kiln into the fine grey powder that is cement. Most cement is… …   Wikipedia

  • Chemistry — For other uses, see Chemistry (disambiguation). Chemistry is the science of atomic matter (that made of chemical elements), its properties, structure, comp …   Wikipedia

  • Portland cement — is the most common type of cement in general usage in many parts of the world, as it is a basic ingredient of concrete, mortar, stucco and most non specialty grout. It is a fine powder produced by Portland cement clinker (more than 90%), a… …   Wikipedia

  • History of chemistry — History of science …   Wikipedia

  • Clandestine chemistry — is chemistry carried out in secret, and particularly in illegal drug laboratories. Larger labs are usually run by gangs or organized crime intending to produce for distribution on the black market. Smaller labs can be run by individual chemists… …   Wikipedia

  • Ceramic chemistry — is a branch of inorganic chemistry that studies the relationship between the physical properties of fired ceramic glazes and their chemistry. Although ceramic technicians have long understood many of these relationships, the advent of computer… …   Wikipedia

  • Sorel cement — Sorel cement, which is named for its inventor, Frenchman Stanislas Sorel who first produced it in 1867, is a hydraulic cement mixture of magnesium oxide (burnt magnesia) with magnesium chloride with the approximate chemical formula… …   Wikipedia

  • Calcium aluminate cements — [P. C. Hewlett (Ed) Lea s Chemistry of Cement and Concrete: 4th Ed , Arnold, 1998, ISBN 0 340 56589 6, Chapter 13] are cements consisting predominantly of hydraulic calcium aluminates. Alternative names are aluminous cement , high alumina cement… …   Wikipedia

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