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Atomistry » Gold » Chemical Properties » Gold monosulphate | ||
Atomistry » Gold » Chemical Properties » Gold monosulphate » |
Gold monosulphate, AuSO4
Evaporation of a solution in concentrated sulphuric acid at 250° C. of the so-called acid auryl sulphate, AuOHSO4, yields large crystals of the monosulphate. It is characterized by its scarlet-red colour. Exposure to moist air changes it into the black hydrated monoxide.
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