Magnesium oxide is a typical alkaline earth metal oxide

Overview of Magnesium oxide MgO powder

Magnesium oxide is an inorganic substance, the chemical formula is MgO, which is the oxide of magnesium, an ionic compound. It is a white solid at room temperature. Magnesium oxide exists in nature in the form of magnesite and is the raw material for magnesium smelting. Magnesium oxide is a magnesium mineral supplement that is mainly made of magnesium -- in fact, it contains more magnesium than other magnesium supplements. Magnesium oxide is made by burning magnesium with pure oxygen, but this method is expensive.

Magnesium oxide is a white hygroscopic solid mineral, naturally formed magnesite, is the source of magnesium. It consists of a lattice of Mg2+ ions and O2 - ions held together by ionic bonds. Magnesium hydroxide is formed in the presence of water (MgO + H2O→Mg(OH)2), but the formation of magnesium hydroxide can be reversed by removing water by heating.

Magnesium oxide has high fire resistance and insulation properties. After 1000℃ above high-temperature burning can be transformed into crystals, up to 1500-2000 °C into dead burning magnesium oxide (magnesia) or sintering magnesium oxide.

Magnesium oxide is a basic oxide, has the general properties of basic oxide, belongs to the cementitious material. White or off-white powder, odorless, tasteless, non-toxic, is a typical alkaline earth metal oxide. Magnesium oxide has a melting point of 2852 ° C, a boiling point of 3600 ° C and a density of 3.58g/cm3 (25 ° C). Soluble in acid and ammonium solution, insoluble in alcohol.Its solubility in water is 0.00062 g/100 mL (0 °C) and 0.0086 g/100 mL (30 °C).When exposed to air, it is easy to absorb water and carbon dioxide and gradually becomes basic magnesium carbonate. Lightweight products are faster than heavy ones. They combine with water to form magnesium hydroxide under certain conditions, which shows a slightly alkaline reaction and the pH of the saturated aqueous solution is 10.3.

Application of Magnesium oxide MgO powder

Magnesium oxide is a valuable refractory, that is, a solid that is physically and chemically stable at high temperatures.It has two useful properties: high thermal conductivity and low electrical conductivity. The main use of the kitchen electric stove is to fill the top heating element of the spiral grill. By far the world's largest consumer of magnesium oxide is the refractory industry, with the United States accounting for approximately 56 percent of magnesium oxide consumption in 2004, with the remaining 44 percent used for agricultural, chemical, construction, environmental and other industrial applications. MgO is used as the basic refractory for the crucible.

It is the main fireproof component in building materials. Magnesium oxide wall panels, as a building material, have several attractive properties: fire resistance, termite resistance, moisture resistance, mildew resistance, mildew resistance, high strength.

Magnesium oxide is one of the main raw materials of dry Portland cement.

Magnesium oxide is widely used in soil and groundwater remediation, wastewater treatment, drinking water treatment, air discharge treatment and waste treatment because of its acid buffering ability and stable dissolving effect of heavy metals.

Granular Magnesium Oxide is usually mixed into metal-contaminated soils or waste that is usually very low in pH (acid) in order to raise the pH to the 8-10 range, with most metals having the lowest solubility. Metal hydroxides tend to precipitate at a pH of 8-10.

MgO is widely recognized as the most effective metal-stabilizing compound compared to Portland cement, lime, kiln ash products, power generation waste products and a variety of proprietary products due to its superior buffering capacity, cost-effectiveness and ease/safe handling.

While most (if not all) products marketed as metal stabilization technologies produce very high pH values in aquifers, MgO creates an ideal aquifer condition at a pH of 8-10. In addition, magnesium is an essential element in most biological systems and is provided to soil and groundwater microbial populations as an added benefit during magnesium-assisted metal remediation.

Magnesium oxide can also be used to reduce heartburn and indigestion, as an antacid, as a magnesium supplement, and as a short-term laxative. It is also used to improve the symptoms of indigestion. Side effects of magnesium oxide may include nausea and cramps. Large doses may provide a laxative effect, and long-term effects can include intestinal stones that can lead to intestinal obstruction.

As a food additive, magnesium oxide is used as an anti-caking agent.

Magnesium oxide is also used as an insulator in heat-resistant cables.

MgO doping can effectively inhibit the grain growth of the ceramics and improve the fracture toughness by changing the crack propagation mechanism at the nanoscale.

Magnesium oxide MgO powder Price

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