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Sodium aluminate is an inorganic chemical that is used as an effective source of aluminium hydroxide for many industrial and technical applications. Pure sodium aluminate ( anhydrous ) is a white crystalline solid having a formula variously given as NaAlO 2 , NaAl(OH) 4 ( hydrated ), [ 3 ] Na 2 O·Al 2 O 3 , or Na 2 Al 2 O 4 .
Cryolite (Na 3 Al F 6, sodium hexafluoroaluminate) is a rare mineral identified with the once-large deposit at Ivittuut on the west coast of Greenland, mined commercially until 1987. [8] It is used in the reduction ("smelting") of aluminium, in pest control, and as a dye.
A number of aluminate oxyanions are known: The simplest is the approximately tetrahedral AlO 5− 4 found in the compound Na 5 AlO 4, [2] framework AlO − 2 ions in anhydrous sodium aluminate NaAlO 2 [3] and monocalcium aluminate, CaAl 2 O 4 made up of corner-sharing {AlO 4} tetrahedra. [4] A ring anion, the cyclic Al 6 O 18−
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The Bayer process is the principal industrial means of refining bauxite to produce alumina (aluminium oxide) and was developed by Carl Josef Bayer.Bauxite, the most important ore of aluminium, contains only 30–60% aluminium oxide (Al 2 O 3), the rest being a mixture of silica, various iron oxides, and titanium dioxide. [1]
Some cryptocurrencies reward those who verify the transactions on the blockchain database in a process called mining. For example, miners involved with Bitcoin solve very complex mathematical ...
Sodium hexafluoroaluminate is an inorganic compound with formula Na 3 Al F 6. This white solid, discovered in 1799 by Peder Christian Abildgaard (1740–1801), [4] [5] occurs naturally as the mineral cryolite and is used extensively in the industrial production of aluminium. The compound is the sodium (Na +) salt of the hexafluoroaluminate (AlF ...
Periodic Videos (also known as The Periodic Table of Videos) is a video project and YouTube channel on chemistry. It consists of a series of videos about chemical elements and the periodic table , with additional videos on other topics in chemistry and related fields.