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In chemistry, a phosphate is an anion, salt, functional group or ester derived from a phosphoric acid.It most commonly means orthophosphate, a derivative of orthophosphoric acid, a.k.a. phosphoric acid H 3 PO 4.
There are many types of aluminium phosphate molecular sieves, generically known as "ALPOs".The first ones were reported in 1982. [8] They all share the same chemical composition of AlPO 4 and have framework structures with microporous cavities.
Autochrome portrait by Georges Chevalier, 1928. Jean Joseph Marie Vieuchange (1906–2003) was a French adventurer and medical doctor, best known for preparing for publication the hand-written notebooks of his brother, Michel, describing his discovery of Smara in the Western Sahara in November 1930.