Preparation of aluminum sulfide
preparation sulfide alumina dare stoichiometric amount of sulfur powder and aluminum (10 g sulfur bloom + 5.6 g of Al powder). The mixture homogenized, placed in a cup (preferably fire) and ignite magnesium ribbon. Once the mixture begins to heat přikrijeme cup lid. The resulting material usually adheres to the walls of the crucible, so we remove it is necessary to break the pot. Aluminum sulfide store in a tight prachovnici because hydrolyzed.
The prepared aluminum sulfide contains various impurities such as AlN, Al 2 O 3 ap.