What is Magnesium Nitride
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What is Magnesium Nitride?
Magnesium Nitride is an inorganic substance with the chemical formula Mg3N2. It's part of the quantum system of cubic crystals. At temperatures of room temperature, the pure magnesium nutridide is a bright yellow-green color however magnesium nitride, which has the magnesium oxide impurities appears grayish white.
The magnesium nitride's molar mass is 100.95g/mol. Their density stands at 2.712g/cm3. Magnesium nitride is completely dissolved in water and acid, but is partially dissolvable when mixed with the ethanol and ether.
The melting temperature of magnesium nitride is 1500 degrees. Magnesium Nitride, like many metal nitrides, reacts with water and produces ammonia. Often used as a catalyst. React with acid or nonmetallic oxides in order to produce ammonium salts and magnesium salts.
Magnesium nitride is ceramic in nature. Magnesium nitride is highly resistant to corrosion resistance and greatly enhances productivity. Magnesium is also a great material for thermal conductivity, as well being resistant to corrosion and temperature resistance. Magnesium nitride has another great importance because it is used as a catalyst for synthesizing of boron.
What is Magnesium nitride Used for?
1. Use as a catalyst to preparation of nitride compounds from other elements with high hardness, high thermal conductivity, wear resistance, corrosion resistance, and very high-temperature resistance. In the first successful production of cubic boron-nitride one catalyst involved was magnesium nitride.
2. This is a high strength steel smelting additives. Magnesium nitride (Mg3N2) replaces desulphurized magnesium used in construction steel melting, which helps in increasing the density strength that, tension and bearing capacity of steel. In addition, the use of magnesium nitride (Mg3N2) desulfurization, may reduce the amount of other additives, thereby helping to reduce the costs of production for construction steel.
3. Useful for preparing special ceramic materials;
4. To make a special alloy foaming agent;
5. To make special glass
6. Catalytic polymer crosslinking
7. To reuse nuclear waste
How Do You Produce Magnesium Nitride?
Presently, the primary methods for making magnesium nitride are direct reaction method of magnesium powder with nitrogen, reaction method of the nitrogen with magnesium in nitrogen plasma flow and the magnesium coil explosion method in nitrogen atmosphere as well as low-pressure chemical gas complementary product method, self-propagating high temperature synthesis procedure, nano-magnesium nitride synthesis methods as well as other methods.
Recently, G. Soto et al. have prepared amorphous magnesium nutride films with different Mg:N ratios on Si substrates in a molecular nitrous environment through an application of pulsed lasers. These techniques restrict their production for industrial use due to their high costs, the lengthy process as well as the complexity of operating equipment or low yields for magnesium oxide.
Although the direct reaction of magnesium powder and nitrogen has industrial benefits, the process of magnesium powder requires higher temperature for the reaction and a long response time. In addition, the shape of the particles is not clear and easy to aggregate, which does not meet standards of industrial quality. N3 can be broken into Nwhich has broken bonds faster than N2 and the decomposed H2 is able to block the formation of MgO, which is why ammonia gas is an ideal nitrogen source. Chen Faqin et al. used liquid ammonia to serve as nitrogen source for the preparation of magnesium nitride in the form of powder via direct Nitriding of magnesium powder. The following conclusions can be drawn: Using thermodynamic analyses, liquid ammonia could react with magnesium powder much more quickly than nitrogen for the production of magnesium nitride. magnesium nitride that is high purity and uniform powder particles can be made at 600 and ammonia atmosphere for 1 hour, and then heated to 800, ammonia flow rate of 500ml/min as well as nitriding time of 1h.
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