What is Magnesium Nitride?
Magnesium Nitride is an inorganic compound with the chemical formula Mg3N2. It's particulate matter that is part of the cubic crystal system. At room temperature, pure magnesium nutridide is a bright yellow-green color but magnesium nitride with parts of magnesium oxide impurities is greyish white.
The molar mass of magnesium nitride is 100.95g/mol. Density is 2.712g/cm3. Magnesium Nitride is totally dissolved in water and acid however it is partially dissolved by alcohol and ethanol.
The melting point for magnesium nitride is 1500 degrees. Magnesium Nitride, as with many metal nitrides, reacts water and produces ammonia. Sometimes, it is used as catalyst. React with acidic or aqueous nonmetallic oxidants to form ammonium salts and magnesium salts.
Magnesium Nitride is a ceramic substance in nature. Magnesium nitride has high corrosion resistance and greatly enhances productivity. Magnesium also has high thermal conductivity, aswell having a high resistance to corrosion and resistance to temperature. Magnesium Nitride has an additional significance because it serves as a catalyst formation of boron.
What is Magnesium nitride Used for?
1. A catalyst used to making nitride from other elements that have high hardness, high thermal conductivity, wear resistance, corrosion resistance and high temperature resistance. In the first successful production of cubic boron-nitride The catalyst used was magnesium nitride.
2. A high-strength steel Smelting additives. Magnesium nitride (Mg3N2) replaces desulphurized magnesium used in construction steel smelting, which is beneficial in increasing the density, strength in tension and bearing power of steel. Furthermore, the usage of magnesium nitride (Mg3N2) desulfurization can decrease the amount of other additivesand help lower the cost of manufacturing construction steel.
3. Used to prepare special ceramic materials;
4. To make a special alloy foaming agent
5. In the manufacture of special glass
6. For catalytic polymer crosslinking;
7. To recycle nuclear waste
How do I Make Magnesium Nitride?
Presently, the most popular preparation methods of magnesium nitride include direct reaction method of magnesium powder with nitrogen, method of reaction of magnesium with nitrogen in nitrogen plasma flow using a magnesium coil blast method in nitrogen atmosphere low pressure chemical gas complementing product method, self-propagating high temperature synthesis technique, nano magnesium Nitride synthesis method for example.
Recently, G. Soto et al. made amorphous magnesium oxide films that have different Mg:N ratios Si substrates in a nitrogen-based molecular environment through pulse laser deposition. These methods restrict the production of industrial magnesium nitride due to their high costs, the lengthy process with complex equipment, or the poor yield of magnesium oxide.
The direct reaction of magnesium powder and nitrogen can have industrial benefits, the process of magnesium nitride requires more heat and a longer reaction time. Also, the particle's shape is not perfect and easy to form agglomerates, which isn't able to meet specifications of industrial quality. In the case of NH3, it can be broken down into Nwith broken bonds faster than N2 and decomposed H2 may hinder the formation of MgO. Therefore, ammonia gas can be used as nitrogen source. Chen Faqin et al. used liquid ammonia to serve as nitrogen source for the preparation of magnesium nitride using direct nutriding of magnesium. The following conclusions could be drawn: With thermodynamic analysis, liquid ammonia can react with magnesium powder much more quickly than nitrogen to produce magnesium nitride. magnesium nitride with consistent and high purity particles can be produced at 600 and ammonia in 1 h, then heated up to 800degrees, with an ammonia flow rate is 500ml/min. one hour of nitriding.
Magnesium Nitride Mg3N2 Disperser
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