ALUMINIUM HYDROXIDE GEL POWDER
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25 KILOS Metric Ton (MOQ)
- Color: WHITE AMORPHOUS POWDER
Aluminium hydroxide, aloh3, is found in nature as the mineral gibbsite (also known as hydrargillite) and its three much rarerpolymorphs: bayerite, doyleite and nordstrandite. Closely related are aluminium oxide hydroxide, al2oh, and aluminium oxide (or alumina), al2o3. These compounds together are the major components of the aluminium ore bauxite. Freshly precipitated aluminium hydroxide forms gels, which are the basis for the application of aluminium salts as flocculants in water purification. This gel crystallizes with time.
Aluminium hydroxide gels can be dehydrated (e.g. Using water-miscible non-aqueous solvents likeethanol) to form an amorphous aluminium hydroxide powder, which is readily soluble in acids. Aluminium hydroxide powder which has been heated to an elevated temperature under carefully controlled conditions is known as activated alumina and is used as adesiccant, as an adsorbent in gas purification, as a claus catalyst support for water purification, and as an adsorbent for the catalyst during the manufacture of polyethylene by the sclairtech process.
synonyms: hydroxy (oxo) alumane, cas number: 21645-51-2 mol. Formula: aloh3, mol.weight: 78.00