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Boehmite

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boehmite [′bā‚mīt]
(mineralogy)
AlO(OH) Gray, brown, or red orthorhombic mineral that is a major constituent of some bauxites.
Boehmite 

(named after the 20th-century German mineralogist J. Böhm), a mineral with the composition AlOOH. It crystallizes into a rhombic system, forming fine, plastic crystalline particles. It is colorless and transparent. Its hardness on the mineralogical scale is 3.5, and its density is 3,020–3,060 kg/m3 Rarely found in pure form, boehmite usually occurs with other aluminum hydroxides in bauxite compositions.
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It was historically used as an ore of aluminum and later in the electrolytic processing of the aluminum rich oxide ore bauxite (itself a combination of aluminum oxide minerals such as gibbsite, boehmite and diaspore).
Iran Produced Cryolite by Moj News Agency (Tehran, Iran)
Priya, KG, Padmaja, P, Warrier, KGK, Damodaran, AD, Aruldhas, G, "Dehydroxylation and High Temperature Phase Formation in Sol-Gel Boehmite Characterized by Fourier Transform Infrared Spectroscopy.
Wood surface modification by in-situ sol-gel deposition of hybrid ... by Tshabalala, Mandla A.; Sung, Li-Piin / JCT Research
Aide and Cummings (1997) showed that chromate adsorption on boehmite was outer-sphere and pH dependent, with Cr adsorption increasing in the order: pH 4.
The influence of pH and phosphorus on the adsorption of chromate on ... by Cummings, Mark / Transactions of the Missouri Academy of Science
 
 
 
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