Sentence Examples


  • The iridium is then precipitated from the solution (as oxide) by the addition of baryta, dissolved in aqua regia, and precipitated as iridium ammonium chloride by the addition of ammonium chloride.
  • It may be obtained in the spongy form by igniting iridium ammonium chloride, and this variety of the metal readily oxidizes when heated in air.
  • 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.
  • Joly (Comptes rendus, 1890, 110, p. 1131) from analyses of potassium and ammonium chloriridites, the value 191.78 (0 =15.88).

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