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Aluminium phosphate is a chemical compound. In nature it occurs as the mineral berlinite. [3] Many synthetic forms of aluminium phosphate are known. They have framework structures similar to zeolites and some are used as catalysts, ion-exchangers or molecular sieves. [4] Commercial aluminium phosphate gel is available.
Berlinite (aluminium phosphate, chemical formula AlPO 4 or Al(PO 4)) is a rare high-temperature hydrothermal or metasomatic phosphate mineral. [5] It has the same crystal structure as quartz with a low temperature polytype isostructural with α–quartz and a high temperature polytype isostructural with β–quartz. [3]
Aluminium dihydrogenphosphate describes inorganic compounds with the formula Al(H 2 PO 4) 3. xH 2 O where x = 0 or 3. They are white solids. Upon heating these materials convert sequentially to a family of related polyphosphate salts including aluminium triphosphate (AlH 2 P 3 O 10. 2H 2 O), aluminium hexametaphosphate (Al 2 P 6 O 18), and aluminium tetrametaphosphate (Al 4 (P 4 O 12) 3).
Sodium aluminium phosphate (SAlP) describes the inorganic compounds consisting of sodium salts of aluminium phosphates. The most common SAlP has the formulas NaH 14 Al 3 (PO 4) 8 ·4H 2 O and Na 3 H 15 Al 2 (PO 4) 8. [1] These materials are prepared by combining alumina, phosphoric acid, and sodium hydroxide. [2]
Metallic hydrogen, which only exists at very high pressures, is known for its electrical and magnetic properties, not its chemical properties. [158] Under typical conditions, pure hydrogen exists as a diatomic gas consisting of two atoms per molecule (H 2 ); [ 159 ] however, the alkali metals form diatomic molecules (such as dilithium , Li 2 ...
The aluminium salt, when ingested, binds to phosphate in the intestines and reduce the amount of phosphorus that can be absorbed. [24] [25] Precipitated aluminium hydroxide is included as an adjuvant in some vaccines (e.g. anthrax vaccine). One of the well-known brands of aluminium hydroxide adjuvant is Alhydrogel, made by Brenntag Biosector.
Augelite is an aluminium phosphate mineral with formula: Al 2 (P O 4)(OH) 3.The shade varies from colorless to white, yellow or rose. Its crystal system is monoclinic. [4]It was first described by Christian Wilhelm Blomstrand for an occurrence in Västanå iron mine at Scania, Sweden in 1868 and derives its name from the Greek αύγή in reference to its pearly lustre.
Senegalite is a rare aluminum phosphate. It is a hydrated hydroxy phosphate of aluminum. It is named after Senegal, the country in which it was first found to occur. [4] [5] The molecular structure of the phosphate mineral senegalite is Al 2 (PO 4)(OH) 3 ⋅3 H 2 O. [6] [5