gibbsite sentence in Hindi
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- It occurs with kaolinite, gibbsite and diaspore in bauxite deposits; and with nepheline, gibbsite, diaspore, natrolite and analcime in nepheline pegmatites.
- It occurs with kaolinite, gibbsite and diaspore in bauxite deposits; and with nepheline, gibbsite, diaspore, natrolite and analcime in nepheline pegmatites.
- After separation of the residue by filtering, pure gibbsite is precipitated when the liquid is cooled, and then seeded with fine-grained aluminium hydroxide.
- It may be associated with cerussite, plattnerite, azurite, malachite, pyromorphite, mimetite, beudantite, duftite, crocoite, gibbsite, allophane and limonite.
- Laterites are a source of aluminium ore; the ore exists largely in clay minerals and the hydroxides, gibbsite, boehmite, and diaspore, which resembles the composition of bauxite.
- Gibbsite is not stable in presence of quartz and it will be changed into kaolinite minerals, so gibbsite has formed after the deposition and we can call it neo-formation gibbsite.
- Gibbsite is not stable in presence of quartz and it will be changed into kaolinite minerals, so gibbsite has formed after the deposition and we can call it neo-formation gibbsite.
- Gibbsite is not stable in presence of quartz and it will be changed into kaolinite minerals, so gibbsite has formed after the deposition and we can call it neo-formation gibbsite.
- Some 90 % of the gibbsite produced is converted into aluminium oxide, Al 2 O 3, by heating in rotary kilns or fluid flash calciners to a temperature in excess of 1000 �C.
- "' Aluminium hydroxide "', Al ( OH ) 3, is found in nature as the mineral gibbsite ( also known as hydrargillite ) and its three much rarer acidic nature.
- Undoubtedly a marked degree of sorption of the silica in solution by the gibbsite surfaces will take place, but, as stated before, mere adsorption does not create the layer lattice typical of kaolinite crystals.
- The aluminium compounds in the bauxite may be present as gibbsite ( Al ( OH ) 3 ), boehmite ( AlOOH ) or diaspore ( AlOOH ); the different forms of the aluminium component will dictate the extraction conditions.
- Gastuche et al . ( 1962 ), as well as Caill�re and H�nin ( 1962 ) have concluded, that only in those instances when the aluminium hydroxide is in the form of gibbsite, kaolinite can ever be formed.
- The gibbsite is usually converted into aluminium oxide, Al 2 O 3, by heating in rotary kilns or fluid flash calciners to a temperature in excess of 1000 o C . This aluminium oxide is dissolved at a temperature of about in molten cryolite.
- However the lower charge in brucite's magnesium ( + 2 ) as opposed to gibbsite's aluminium ( + 3 ) does not require that one third of the octahedrons be vacant of a central ion in order to maintain a neutral sheet.
- Due to the pH of leaching, a dissolution of Al 2 O 3 or SiO 2 can occur ( podzol or laterite profile ) The first theory tries to describe this with podzol profiles : it assumes the leaching of silica from minerals and accordingly the gibbsite formation from leached kaolin.
- Bauxite is often thought of as a mineral but it is really a rock composed of hydroxide and oxyhydroxide minerals such as gibbsite, boehmite ( ?-AlO ( OH ) ), and diaspore ( ?-AlO ( OH ) ), as well as clays, silt, and iron oxides and hydroxides.
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