Sentence Examples


  • Iridium sesquioxide, Ir 2 0 3, is obtained when potassium iridium chloride is heated with sodium or potassium carbonates, in a stream of carbon dioxide.
  • The hydroxide, Ir(OH) 3, may be obtained by the addition of caustic potash to iridium sodium chloride, the mixture being then heated with alcohol.
  • The corresponding hydroxide, Ir(OH) 4, is formed when potassium iridate is boiled with ammonium chloride, or when the tetrachloride is boiled with caustic potash or sodium carbonate.
  • Similar sodium and ammonium compounds are known.
  • It may be synthesized by condensing sodium acetoacetate with monochloracetic ester, the acetosuccinic ester produced being then hydrolysed with dilute hydrochloric acid (M.

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