How to Produce Magnesium Nitride

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What is Magnesium Nitride?

Magnesium nitride, is a not natural compound with the chemical formula Mg3N2. It belongs to the cubic crystal system. At room temperature, pure magnesium nitride is a yellow-green powder, yet magnesium nitride having a portion of magnesium oxide impurities is grayish white.

The molar mass of magnesium nitride is 100.95 g/mol. Its density is 2.712 g/cm3. Magnesium nitride is totally dissolved in acid as well as water, however partly dissolved in ether and also ethanol.

The melting factor of magnesium nitride is 1500 levels. Magnesium nitride, like many metal nitrides, responds with water to produce ammonia. Frequently used as a stimulant. React with acid or liquid nonmetallic oxides to create ammonium salts and magnesium salts.



Magnesium nitride is ceramic in nature. Magnesium nitride has high deterioration resistance and also substantially improves manufacturing performance. Magnesium nitride also has high thermal conductivity, as well as high rust resistance and temperature level resistance. Magnesium nitride has another excellent relevance due to the fact that it is used as a stimulant for the synthesis of boron nitrogen.



What is Magnesium Nitride Used For?

1. Used as a driver when prepare the nitride of other aspects with high firmness, high thermal conductivity, rust resistance, put on resistance as well as high temperature resistance. In the first successful synthesis of cubic boron nitride, the stimulant was magnesium nitride.

2. Used for high stamina steel smelting ingredients. Magnesium nitride (Mg3N2) changes desulphurized magnesium in building and construction steel smelting, which is valuable to enhance the density, strength, tension and also bearing force of steel. Furthermore, making use of magnesium nitride (Mg3N2) desulfurization, can reduce the amount of various other additives, thus assisting to reduce the production cost of building steel;

3. Made use of to prepare unique ceramic products;

4. For the manufacture of special alloy frothing agent;

5. For making special glass;

6. For catalytic polymer crosslinking;

7. For the recycling of nuclear waste;



How to Produce Magnesium Nitride?

Presently, the primary preparation techniques of magnesium nitride include direct reaction method of magnesium powder with nitrogen, reaction technique of magnesium with nitrogen in nitrogen plasma flow, magnesium coil explosion technique in nitrogen atmosphere, reduced stress chemical gas corresponding item technique, self-propagating high temperature synthesis approach, nano magnesium nitride synthesis approach, etc.



Just Recently, G. Soto et al. ready amorphous magnesium nitride movies with various Mg ∶ N proportions on Si substratums in a molecular nitrogen atmosphere by pulse laser deposition. These techniques limit their commercial production because of high cost, lengthy process, complicated devices procedure, or low return of magnesium nitride.



Although the straight response of magnesium powder with nitrogen has industrial worth, the production of magnesium nitride powder needs higher response temperature as well as longer reaction time, and also the form of particles is insufficient as well as very easy to agglomerate, which can not fulfill the demands of industrial quality. NH3 can be decayed into N- with busted bonds much more conveniently than N2, and also the disintegrated H2 can inhibit the development of MgO, so ammonia gas can be utilized as the nitrogen source. Chen Faqin et al. used liquid ammonia as nitrogen resource to prepare magnesium nitride powder by straight nitriding of magnesium powder. The following final thoughts can be attracted: Through thermodynamic analysis, liquid ammonia can react with magnesium powder more quickly than nitrogen to prepare magnesium nitride; High high quality magnesium nitride powder with high pureness and also consistent powder fragments can be prepared at 600 ℃ and also ammonia environment for 1h, then warmed to 800 ℃, ammonia circulation rate of 500ml/min as well as nitriding time of 1h.



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