High Purity Calcium Carbonate CAS 471-34-1or1317-65-3

High Purity Calcium Carbonate CAS 471-34-1or1317-65-3
Product Details

chemical compound with the formula CaCO3. It is a common substance found in rocks as the minerals calcite and aragonite (most notably as limestone, which contains both of those minerals) and is the main component of pearls and the shells of marine organisms, snails, and eggs. Calcium carbonate is the active ingredient in agricultural lime and is created when calcium ions in hard water react with carbonate ions to create limescale. It is medicinally used as a calciumsupplement or as an antacid, but excessive consumption can be hazardous.

Applications:
-The main use of calcium carbonate is in the construction industry, either as a building material or limestone aggregate for road building or as an ingredient of cement or as the starting material for the preparation of builder's lime by burning in a kiln
-Calcium carbonate is also used in the purification of iron from iron ore in a blast furnace. The carbonate is calcined in situ to give calcium oxide, which forms a slag with various impurities present, and separates from the purified iron
-In the oil industry, calcium carbonate is added to drilling fluids as a formation-bridging and filtercake-sealing agent
-Calcium carbonate is added to a wide range of trade and do it yourself adhesives, sealants, and decorating fillers.[
-Calcium carbonate is widely used as an extender in paints,[22] in particular matte emulsion paint where typically 30% by weight of the paint is either chalk or marble. 
-Calcium carbonate is widely used medicinally as an inexpensive dietary calcium supplement or gastric antacid.It may be used as a phosphate binder for the treatment of hyperphosphatemia (primarily in patients with chronic renal failure). It is also used in the pharmaceutical industry as an inert filler for tablets and other pharmaceuticals


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