For the function of calcium phosphate in organisms, see Calcium metabolism.
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Chemical compound
The term calcium phosphate refers to a family of materials and minerals containing calcium ions (Ca2+) 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 enamel.[3] In milk, it exists in a colloidal form in micelles bound to casein protein with magnesium, zinc, and citrate–collectively referred to as colloidal calcium phosphate (CCP).[4] Various calcium phosphate minerals are used in the production of phosphoric acid and fertilizers. Overuse of certain forms of calcium phosphate can lead to nutrient-containing surface runoff and subsequent adverse effects upon receiving waters such as algal blooms and eutrophication (over-enrichment with nutrients and minerals).[citation needed]
^ ab"Calcium Phosphate".
^Klaus Schrödter; Gerhard Bettermann; Thomas Staffel; Friedrich Wahl; Thomas Klein; Thomas Hofmann (2008). "Phosphoric Acid and Phosphates". Ullmann's Encyclopedia of Industrial Chemistry. Ullmann’s Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a19_465.pub3. ISBN 978-3527306732. S2CID 94458523.
^"What Substances Make Up Your Teeth? – Affordable Dental Care". www.towncaredental.com. 2015-07-15. Retrieved 2021-01-29.
^A. Y. Tamime, ed. (2006). Brined cheeses - The Society of Dairy Technology (SDT). Wiley-Blackwell. ISBN 978-1-4051-2460-7.
The term calciumphosphate refers to a family of materials and minerals containing calcium ions (Ca2+) together with inorganic phosphate anions. Some...
Tricalcium phosphate (sometimes abbreviated TCP), more commonly known as Calciumphosphate, is a calcium salt of phosphoric acid with the chemical formula...
Dicalcium phosphate is the calciumphosphate with the formula CaHPO4 and its dihydrate. The "di" prefix in the common name arises because the formation...
Amorphous calciumphosphate (ACP) is a glassy solid that is formed from the chemical decomposition of a mixture of dissolved phosphate and calcium salts (e...
occurrence of phosphates in biological systems is as the structural material of bone and teeth. These structures are made of crystalline calciumphosphate in the...
formation of calciumphosphate crystals, which thus impairs the renal function. An excess phosphorus triggers calcium precipitation and reduces calcium absorption...
impure calcium sulfite, which oxidizes on storage to calcium sulfate. In the production of phosphoric acid from phosphate rock, calciumphosphate is treated...
calcium carbonate, calcium citrate, calcium gluconate, calcium lactate, and calciumphosphate. The absorption of calcium from most food and commonly used...
phosphate and form an insoluble compound. Calcium carbonate Calcium-based phosphate binders, such as calcium carbonate, directly decrease phosphate levels...
enhances the uptake of phosphate from the intestine and bones into the blood. In the bone, slightly more calcium than phosphate is released from the breakdown...
stones are predominantly composed of calcium oxalate; struvite and calciumphosphate stones are less common. Calcium oxalate stones in children are associated...
by phosphate anions in stoichiometric hydroxyapatite, are occupied by phosphate or hydrogen phosphate, HPO2−4, anions. Preparation of these calcium-deficient...
calcium reabsorption in the nephron. PTH also acts on the proximal convoluted tubule to decrease phosphate reabsorption to lower the serum phosphate....
notably calciumphosphate. It is present in excess and often, much greater excess of solubility of solid calciumphosphate. In addition to calcium, milk...
changes (the calcium is said to be a second messenger). Calcium is used to make calcium carbonate (found in chalk) and calciumphosphate, two compounds...
levels of phosphate may rise (called hyperphosphatemia) leading to bone problems. Calcium acetate binds phosphate in the diet to lower blood phosphate levels...
The original acid phosphate, made by the Horsford Chemical Company, was a mixture of calcium, magnesium and potassium phosphate salts with a small amount...
important source of phosphates for fertiliser in the latter half of the 19th century. Phosphate rock, which usually contains calciumphosphate, was first used...
contains in total approximately 1 kg, 99% in the skeleton in the form of calciumphosphate salts. The extracellular fluid (ECF) contains approximately 22 mmol...
in a two-step process by treating dicalcium phosphate with sodium bisulfate, which precipitates calcium sulfate: CaHPO4 + NaHSO4 → NaH2PO4 + CaSO4 In...
of calcium lactate, calcium diphosphate, and tricalcium phosphate. The last is also used as a polishing agent in toothpaste and in antacids. Calcium lactobionate...
pores or the damaged cell wall. Another simple methods involves using calciumphosphate to bind the DNA and then exposing it to cultured cells. The solution...
Octacalcium phosphate (sometimes referred to as OCP) is a form of calciumphosphate with formula Ca8H2(PO4)6·5H2O. OCP may be a precursor to tooth enamel...
Microcalcifications in the breast are made up of calciumphosphate or calcium oxalate. When consisting of calciumphosphate, they are usually dystrophic calcifications...
phosphate sources to give a solid precipitate of calciumphosphate: 3 CaCl2 + 2 PO3−4 → Ca3(PO4)2 + 6 Cl− Calcium chloride has a very high enthalpy change of...
apples. Calcium carbonate is used therapeutically as phosphate binder in patients on maintenance haemodialysis. It is the most common form of phosphate binder...
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