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[24] [25] [26] Use of this drug is not recommended for people with chronic kidney failure, as it might cause aluminium accumulation and toxicity. A few well-controlled studies have been carried out investigating the safety and efficacy of sucralfate in children and pregnant women (Pregnancy Category B). [1] [27] [28]
The primitive cell contains two formula units of aluminium oxide. Aluminium oxide also exists in other metastable phases, including the cubic γ and η phases, the monoclinic θ phase, the hexagonal χ phase, the orthorhombic κ phase and the δ phase that can be tetragonal or orthorhombic. [16] [17] Each has a unique crystal structure and ...
Aluminium(I) oxide (Al 2 O) Aluminium(II) oxide (AlO) (aluminium monoxide) Aluminium(III) oxide (aluminium oxide), (Al 2 O 3), the most common form of aluminium oxide, occurring on the surface of aluminium and also in crystalline form as corundum, sapphire, and ruby
While aluminum salts can be irritating, aluminum sesquichlorohydrate is less irritating than products that contain aluminum chloride, yet weaker," says Taub. Dr. Tushar Dabade, a board-certified ...
There are many mixed oxides containing aluminium where there are no discrete or polymeric aluminate ions. The spinels with a generic formula A 2+ B 3+ 2 O 2− 4 that contain aluminium as Al 3+, such as the mineral spinel itself, MgAl 2 O 4 are mixed oxides with cubic close packed O atoms and aluminium Al 3+ in octahedral positions.
In the following example, elemental aluminium reduces the oxide of another metal, in this common example iron oxide, because aluminium forms stronger and more stable bonds with oxygen than iron: Fe 2 O 3 + 2 Al → 2 Fe + Al 2 O 3. The products are aluminium oxide, elemental iron, [4] and a large amount of heat.
Aluminum silicate (or aluminium silicate) is a name commonly applied to chemical compounds which are derived from aluminium oxide, Al 2 O 3 and silicon dioxide, SiO 2 which may be anhydrous or hydrated, naturally occurring as minerals or synthetic. Their chemical formulae are often expressed as xAl 2 O 3 ·ySiO 2 ·zH 2 O. It is known as E ...
although the aluminium species in solution is probably instead the hydrated tetrahydroxoaluminate anion, [Al(OH) 4] − or [Al(H 2 O) 2 (OH) 4] −. [2] Oxidizing acids do not effectively attack high-purity aluminium because the oxide layer forms and protects the metal; aqua regia will nevertheless dissolve aluminium.