Sentence Examples


  • The disulphide, IrS2, is formed when powdered iridium is heated with sulphur and an alkaline carbonate.
  • Molybdenum disulphide, MoS 2, is found as the mineral molybdenite, and may be prepared by heating the trioxide with sulphur or sulphuretted hydrogen.
  • If excess of a mineral acid be added to a solution of an alkaline thiogermanate a white precipitate of germanium disulphide, GeS2, is obtained.
  • By heating the disulphide in a current of hydrogen, germanious sulphide, GeS, is formed.
  • The germanium salts are most readily recognized by the white precipitate of the disulphide, formed in acid solutions, on passing sulphuretted hydrogen.