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calcium aluminate

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  • 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

  • calcium aluminate — noun : any of various compounds of lime and alumina (as monocalcium aluminate CaO.Al2O3 and tricalcium aluminate 3CaO.Al2O3) important as constituents of hydraulic cements …   Useful english dictionary

  • aluminate — [ alyminat ] n. m. • 1838; de alumine ♦ Chim. Sel où l alumine joue le rôle d anhydride d acide. Aluminates colorés, utilisés comme pigments des couleurs céramiques. Aluminate de calcium. ● aluminate nom masculin Sel complexe de formule MAlO2, où …   Encyclopédie Universelle

  • Calcium aluminoferrite — (Ca2(Al,Fe)2O5) is a dark brown crystalline phase commonly found in cements. It also exists rarely in nature as brownmillerite.Properties of the pure phaseIn the absence of elements other than calcium, aluminium, iron and oxygen, calcium… …   Wikipedia

  • Calcium — Potassium ← Calcium → Scandium Mg …   Wikipédia en Français

  • Calcium (nutriment) — Calcium Calcium Potassium …   Wikipédia en Français

  • Calcium aluminates — are a range of minerals [H F W Taylor, Cement Chemistry , Academic Press, 1990, ISBN 0 12 683900 X, pp 34 38] obtained by heating calcium oxide and aluminium oxide together at high temperatures. They are encountered in the manufacture of… …   Wikipedia

  • Monocalcium aluminate — IUPAC name Monocalcium aluminate Properties Molecular formula CaAl2O4 …   Wikipedia

  • Dodecacalcium hepta-aluminate — (12CaO.7Al2O3) occurs rarely in nature as the mineral mayenite. It is an important mineral phase in Calcium aluminate cements and is an intermediate in the manufacture of Portland cement. Its composition and properties have been the subject of… …   Wikipedia

  • Oxydation du calcium — Calcium Calcium Potassium …   Wikipédia en Français

  • Tricalcium aluminate — (3CaO.Al2O3) is the most basic of the calcium aluminates. It does not occur in nature, but is an important mineral phase in Portland cement.PropertiesPure tricalcium aluminate is formed when the appropriate proportions of finely divided calcium… …   Wikipedia

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