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The term calcium phosphate refers to a family of materials and minerals containing calcium ions (Ca 2+) together with inorganic phosphate anions. Some so-called calcium phosphates contain oxide and hydroxide as well. Calcium phosphates are white solids of nutritional value [2] and are found in many living organisms, e.g., bone mineral and tooth ...
Tricalcium phosphate (sometimes abbreviated TCP), more commonly known as Calcium phosphate, is a calcium salt of phosphoric acid with the chemical formula Ca 3 (PO 4) 2. It is also known as tribasic calcium phosphate and bone phosphate of lime ( BPL ).
Dicalcium phosphate is the calcium phosphate with the formula CaHPO 4 and its dihydrate. The "di" prefix in the common name arises because the formation of the HPO 4 2– anion involves the removal of two protons from phosphoric acid, H 3 PO 4. It is also known as dibasic calcium phosphate or calcium monohydrogen phosphate.
Monocalcium phosphate is an inorganic compound with the chemical formula Ca(H 2 PO 4) 2 ("AMCP" or "CMP-A" for anhydrous monocalcium phosphate). It is commonly found as the monohydrate ("MCP" or "MCP-M"), Ca(H 2 PO 4 ) 2 ·H 2 O.
The phosphate ion has a molar mass of 94.97 g ... have an empirical formula of (PO 3) ... a hydroxy calcium phosphate where some of the hydroxyl groups have been ...
Tetracalcium phosphate is the compound Ca 4 (PO 4) 2 O, (4CaO·P 2 O 5). It is the most basic of the calcium phosphates, and has a Ca/P ratio of 2, making it the most phosphorus poor phosphate. [1] It is found as the mineral hilgenstockite, which is formed in industrial phosphate rich
Octacalcium phosphate (sometimes referred to as OCP) is a form of calcium phosphate with formula Ca 8 H 2 (PO 4) 6 ·5H 2 O. [1] OCP may be a precursor to tooth enamel , dentine , and bones . OCP is a precursor of hydroxyapatite (HA), an inorganic biomineral that is important in bone growth. [ 2 ]
As an example of the wide range of solubility of calcium compounds, monocalcium phosphate is very soluble in water, 85% of extracellular calcium is as dicalcium phosphate with a solubility of 2.00 mM, and the hydroxyapatite of bones in an organic matrix is tricalcium phosphate with a solubility of 1000 μM. [59]