Magnesium aluminium oxide

Sato, T., et al. Uptake of benzenecarboxylate ions by magnesium aluminium oxides, J. Chem. Technol. Biotechnol, 55(4), 385-390 (1992). 

Liquid hydrogen chloride does not conduct electricity and is without action on zinc, iron, magnesium, calcium oxide and certain carbonates. However, it does dissolve aluminium. 

With very electropositive metais this oxide is reduced very violently following thermite type of reactions. Vioient reactions of this type happen with lithium, magnesium, aluminium and the Al-Mg-Zn alloy. The iron formed is melted due to the exothermicity of this reaction. This experiment is not recommended for lectures. 

The spectra are characterised by high signals of lithium, sodium, magnesium, aluminium, calcium and iron and their oxides. A high signal from hydroxyl ions was observed, which indicates a high water content of the particle. 

Aluminium oxide, arsenic trioxide, bismuth trioxide, calcium oxide, chromic oxide, lanthanum oxide, lead dioxide, magnesium oxide, manganese dioxide, molybdenum trioxide, phosphorus pentoxide, stannic oxide, sulfur dioxide (explodes), tantalum pentoxide, tungsten trioxide, vanadium pentoxide. 

Aluminium Metal oxides Magnesium Metal oxides Potassium Metal oxides Sodium Metal oxides... 

See Aluminium Metal oxides, etc. also Magnesium Metal oxides... 

See Iron(III) oxide Aluminium and subsequent entries Magnesium Metal oxides, 4403 See also thermite reactions... 

It has likewise been shown by Morozov [30] that it is possible to coagulate nitrocellulose under the influence of boric acid, in the presence of the following metal oxides Mn, Fe, Ni, Cu, and Zn. This author noticed that the nitrocotton gel formed owing to the influence of the oxides redissolved in the course of time, probably as a result of a change in chemical composition. On the other hand, the precipitate obtained by treating nitrocellulose with plumbous oxide or aluminium oxide is insoluble. Papkov and Khveleva [31] have established that a similar coagulation takes place under the influence of such salts as zinc sulphate, magnesium chloride and aluminium chloride. 

Aluminium Hydroxide + Magnesium carbonate/oxide + Simethicone Tablets (150 mg + 250 mg + 90 mg)... 

The metal oxides decompose at a red-heat in the vapour of phophorus pentachloride, forming the metal chloride and phosphoryl chloride. Thus, R. Weber observed that magnesium oxide so reacts with brilliant incandescence cadmium oxide is likewise decomposed and aluminium oxide produces a phosphoehloride—... 

Aluminium oxide is the oldest ceramic material used in medicine. Bauxite and corundum are the main natural sources of aluminium oxide. Bauxite is a mixture of diaspore, gibbsite, iron hydroxides, clay minerals and quartz. It is formed by the tropical weathering of silicate rocks during which quartz and the elements sodium, calcium, magnesium and potassium are largely washed away. This is the reason why the remaining material becomes richer in the resistant elements titanium, iron and aluminium. The latter is extracted from this mixture in the form of aluminium hydroxide. In its turn this compound is converted into aluminium oxide by heating the mixture to 1200-1300 °C, this is called calcination. The hydroxide is thus made anhydrous. 

Carter, R.E., Mechanism of solid-state reaction between magnesium oxide and aluminium oxide and between magnesium oxide and ferric oxide , J. Am. Ceram. Soc., 1961 44(3) 116-20. 

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