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・ Gold Winner
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・ Gold(I) bromide
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Gold(III) oxide
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Gold(III) oxide : ウィキペディア英語版
Gold(III) oxide

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Gold(III) oxide (Au2O3) is the most stable oxide of gold. It is a red-brown, thermally unstable solid that decomposes at 160 °C. The hydrated form is weakly acidic and dissolves in concentrated alkali to form salts that are believed to contain the Au(OH)4 ion.〔
Anhydrous AuO can be prepared by heating amorphous hydrated gold(III) oxide with perchloric acid and an alkali metal perchlorate in a sealed quartz tube at a temperature of around 250 °C and a pressure of around 30 MPa.
==References==



抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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