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Magnesium sulfide

Magnesium sulfide is an inorganic compound with the formula MgS. It is a white crystalline material but often is encountered in an impure form that is brown and non-crystalline powder. It is generated industrially in the production of metallic iron.

Preparation and general properties

MgS is formed by the reaction of sulfur or hydrogen sulfide with magnesium. It crystallizes in the rock salt structure as its most stable phase, its zinc blende and wurtzite structures can be prepared by Molecular Beam Epitaxy. The chemical properties of MgS resemble those of related ionic sulfides such as those of sodium, barium, or calcium. It reacts with oxygen to form the corresponding sulfate, magnesium sulfate. MgS reacts with water to give hydrogen sulfide and magnesium hydroxide.

Applications

In the BOS steelmaking process, sulfur is the first element to be removed. Sulfur is removed from the impure blast furnace iron by the addition of several hundred kilograms of magnesium powder by a lance. Magnesium sulfide is formed, which then floats on the molten iron and is removed.

Metal Gear Solid V: The Phantom Pain

Metal Gear Solid V: The Phantom Pain (Japanese: メタルギアソリッドV ファントムペイン, Hepburn: Metaru Gia Soriddo Faibu Fantomu Pein) is an open world action-adventure stealth video game developed by Kojima Productions, directed, designed, co-produced and co-written by Hideo Kojima, and published by Konami for Microsoft Windows, PlayStation 3, PlayStation 4, Xbox 360 and Xbox One. It was released worldwide on September 1, 2015. The game is the eleventh canonical and final installment in the Metal Gear series and the fifth within the series' chronology. It serves as a sequel to Metal Gear Solid V: Ground Zeroes, and a continuation of the narrative established there, and a prequel to the original Metal Gear game. It carries over the tagline of Tactical Espionage Operations first used in Metal Gear Solid: Peace Walker. Set in 1984, the game follows the mercenary leader Punished "Venom" Snake as he ventures into Afghanistan and the Angola–Zaire border region to exact revenge on the people who destroyed his forces and came close to killing him during the climax of Ground Zeroes.