What is Magnesium-Nitride?
Magnesium nitride is an inorganic compound having the chemical formula Mg3N2. It's part of the cubic crystal structure. At temperatures at room temperature, pure magnesium Nitride is a greenish yellow powder however magnesium nitride, which has some impurities of magnesium oxide is grayish white.
The magnesium nitride's molar mass is 100.95g/mol. Its density 2.712g/cm3. Magnesium nitride is completely dissolved in acid and water, however it is partially dissolved by alcohol and ethanol.
The melting point for magnesium nitride is 1500 °. Magnesium nitrideis one of the metal nitrides water to form ammonia. It is often used as a catalyst. React with acid and aqueous nonmetallic oxides in order to produce ammonium salts as well as magnesium salts.
Magnesium Nitride is a clay-like substance found in nature. Magnesium nitride is highly resistant to corrosion resistance and greatly improves the efficiency of production. Magnesium Nitride also has high thermal conductivity, as well as high corrosion resistance and resistance to temperature. Magnesium Nitride is also of significant importance due to its usage as a catalyst for process of making boron nitrogen.
What is Magnesium Nitride used for?
1. Used as a catalyst when you are preparing the nitride of other elements with high hardness and thermal conductivity. It is also a good choice for wear resistance, corrosion resistance and the ability to withstand high temperatures. The first successful synthesis of cubic boron nitride, an active catalyst came from magnesium Nitride.
2. Useful for high strength steel melting additives. Magnesium nitride (Mg3N2) is a substitute for the magnesium that has been desulphurized for construction Smelting, which can help in increasing the density strength, tension and bearing force of steel. In addition, using of magnesium Nitride (Mg3N2) desulfurizationmay reduce the amount of other additives, which can help reduce the cost of manufacturing construction steel.
3. Useful for preparing special ceramic materials;
4. For the production of a special alloy foaming agent
5. Special glass for manufacturing;
6. For crosslinking with catalytic polymers
7. To recycle radioactive waste
How do I Make Magnesium Nitride?
Presently, the primary preparation methods of magnesium nitride comprise direct reaction method of magnesium powder with nitrogen, method of reaction of magnesium with nitrogen within nitrogen plasma flow methods for magnesium coils in nitrogen atmosphere the low pressure chemical gas complementing product method, self-propagating high temperature synthesis technique, nano magnesium nitride synthesizer, etc.
Recently, G. Soto et al. produced amorphous magnesium-nitride films with different ratios of Mg:N on Si substrates within a molecular-nitrogen environment by Pulse laser deposition. These techniques restrict their production for industrial use due to the high price, lengthy process or complex equipment operation or the low yield of magnesium nutride.
While the direct reaction of magnesium powder with nitrogen has significant industrial potential, the making of magnesium oxide 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 form agglomerates, that's why they don't meet the requirements of industrial quality. In the process of decomposition, NH3 can form N- which is a broken bond quicker than N2 and H2 decomposed may inhibit the formation of MgO. Thus, ammonia gases can be used as nitrogen source. Chen Faqin et al. employed liquid ammonia as a nitrogen source to make magnesium nitride using direct the nitriding process of magnesium powder. The following conclusions can be drawn from thermodynamic analysis, liquid amonia could react with magnesium powder more readily than nitrogen to make magnesium nitride. The best quality magnesium nitride, with excellent purity and uniform particles is made by heating it to 600 degrees Celsius and in ammonia-based atmosphere for 1 hour, and then heated to 800degrees, with an ammonia flow rate of 500ml/min , and the time for nitriding of 1h.
Magnesium Nitride Mg3N2 Disperser
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