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Calcium carbonate is a dietary supplement used when the amount of calcium taken in the diet is not enough. Calcium is needed by the body for healthy bones, muscles, nervous system, and heart. Calcium carbonate also is used as anantacid to relieve heartburn, acid indigestion, and upset stomach
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Calcium carbonate is a odourless chemical compound. It is water insoluble source of calcium. It is mainly found in rocks and is carbonic salt of calcium. Some of the pure calcium carbonate minerals are Calcite, Vaterite, Aragonite. Biological sources of calcium carbonate are Snail shells, Egg shells, Oyster shells etc. Mostly used as an antacid or calcium supplement. PH value is about 9.91. Its common name is limestone.
Properties of Calcium carbonate CaCO3
Calcium carbonate is a dietary supplement that is used when the calcium contained in the diet is not adequate. For healthy bones, muscles, nervous system and heart, the body requires calcium. Often, calcium carbonate is used as an antacid to relieve heartburn, acid indigestion and stomach discomfort.
Calcium carbonate is the salt of a strong base (due to the presence of the calcium ion) and a weak acid (due to the presence of the carbonate ion, usually derived from carbonic acid). Therefore, this salt is mildly basic in nature.
Mining or quarrying activities are responsible for the production of a vast majority of calcium carbonate used in industry. It is possible to obtain pure calcium carbonate (e.g. for food or medicinal use) from a pure quarry source like marble. Calcium carbonate can also be prepared from calcium oxide.