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The calcium carbonate

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  • Calcium carbonate — Calcium carbonate …   Wikipedia

  • precipitated calcium carbonate — a commercial form of calcium carbonate prepared by chemical means; used as an antacid, as a calcium supplement, and for the treatment of osteoporosis …   Medical dictionary

  • calcium carbonate —    Naturally occurring compound with the chemical formula CaCO3. It occurs commonly as the mineral calcite and less commonly as aragonite, and is the major component of carbonate rocks including limestone and marble. It also forms the matrix or… …   Lexicon of Cave and Karst Terminology

  • calcium carbonate — a white, crystalline, water insoluble, tasteless powder, CaCO3, occurring in nature in various forms, as calcite, chalk, and limestone: used chiefly in dentifrices and polishes and in the manufacture of lime and cement. [1870 75] * * * …   Universalium

  • calcium carbonate —   a compound with the formula CaCO3 …   Geography glossary

  • Calcium in biology — Calcium (Ca2+) plays a vital role in the anatomy, physiology and biochemistry of organisms and of the cell, particularly in signal transduction pathways. The skeleton acts as a major mineral storage site for the element and releases Ca2+ ions… …   Wikipedia

  • Calcium bicarbonate — Chembox new Name = Calcium bicarbonate ImageName = IUPACName = Calcium bicarbonate OtherNames = Calcium hydrogencarbonate Section1 = Chembox Identifiers SMILES = CASNo = RTECS = Section2 = Chembox Properties Formula = Ca(HCO3)2 MolarMass =… …   Wikipedia

  • Calcium reactor — In marine and reef aquariums, a calcium reactor is a device used to create a balance of alkalinity in the system. An acidic solution is produced by injecting carbon dioxide into a chamber with salt water and calcium rich media. The carbon dioxide …   Wikipedia

  • Calcium — (pronEng|ˈkælsiəm) is the chemical element with the symbol Ca and atomic number 20. It has an atomic mass of 40.078. Calcium is a soft grey alkaline earth metal, and is the fifth most abundant element by mass in the Earth s crust. Calcium is also …   Wikipedia

  • Carbonate Compensation Depth — (CCD) is the depth in the oceans below which the rate of supply of calcium carbonate (calcite and aragonite) equals the rate of solvation, such that no calcium carbonate is preserved. Calcium carbonate is essentially insoluble in sea surface… …   Wikipedia

  • Carbonate de calcium — Général Nom IUPAC Carbonate de calcium blanc de Meudon C.I. 77220 C.I. Pigment White 18 …   Wikipédia en Français

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