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magnesium oxide

Country/Region china
Company Haicheng Dingsheng Mining Co., Ltd.
Categories Magnesium Alloy Sheet
Telephone 0412-3778988
ICP License Issued by the Chinese Ministry
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magnesium oxide

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magnesium oxide

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  • Release date:2018/06/04
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Detailed description

Magnesium Oxide is commonly known as magnesia, also known as magnesia, Magnesium Oxide is alkaline oxide, with alkaline oxide generality, belongs to cementitious materials. White or light yellow powder, odorless, tasteless, non-toxic, is a typical alkaline earth metal oxide, chemical formula MgO. The white powder has a melting point of 2852 degrees, a boiling point of 3600 degrees, and a relative density of 3.58 (25 degrees Celsius). Soluble in acid and ammonium salt solution. Exposed to the air, it is easy to absorb water and carbon dioxide, and gradually become basic magnesium carbonate. Light quality products are faster than heavy quality products. With water, magnesium hydroxide is formed under certain conditions. The pH of saturated aqueous solution is 10.3. Soluble in acid and ammonium salt is difficult to dissolve in water, its solution is alkaline. Insoluble in ethanol. There is strong refraction in the visible and near ultraviolet range. Magnesite (MgCO), dolomite (MgCO. CaCO) and sea water are the main raw materials for the production of Magnesium Oxide. Magnesium Oxide is obtained by thermal decomposition of magnesite or dolomite. Magnesium hydroxide was precipitated from seawater by slaked lime, and Magnesium Oxide was obtained by burning magnesium hydroxide. It can also be used in the comprehensive utilization of magnesium chloride halide block or brine after bromine extraction as raw material, adding sodium hydroxide or sodium carbonate to produce magnesium hydroxide or alkaline magnesium carbonate to precipitate, and then burn Magnesium Oxide. China mainly uses magnesite, dolomite, brine or bittern as raw materials.

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