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Atomistry » Iridium » Chemical Properties » Iridium Disulphide | ||
Atomistry » Iridium » Chemical Properties » Iridium Disulphide » |
Iridium Disulphide, IrS2
Iridium Disulphide, IrS2, has been prepared in a variety of ways, chief among which are:
Iridium disulphide is a brown powder. Moist air has no action on it. Heated to 300° C. in air, sulphur is expelled, metallic iridium remaining behind. Hydrochloric and nitric acids do not affect it although fuming nitric acid and aqua regia effect its decomposition. It is reduced to a lower sulphide at red heat in a current of carbon dioxide. |
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