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Atomistry » Gold » Chemical Properties » Gold monosulphide | ||
Atomistry » Gold » Chemical Properties » Gold monosulphide » |
Gold monosulphide, AuS
Hydrogen sulphide or an alkali-metal sulphide precipitates the monosulphide from solutions of auric chloride, and it is also produced by the action of hydrogen sulphide on sodium aurothiosulphate. It is a black substance, insoluble in acids except aqua regia, but soluble in alkali-metal sulphides.
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