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Gold Prospecting
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Refractory Clay for Crucibles & Furnaces
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<blockquote data-quote="Dr4gul3" data-source="post: 156364" data-attributes="member: 5164"><p>do you know what kind of sulfide material it is? arsenopyrite would obviously be quite dangerous. but I was thinking if there is any antimony present when you cupel the final smelt you may oxidise some of the gold along with the lead. </p><p></p><p>I have had this happen to me quite a few times, though it wasn't quite as much a big deal as I was cupelling large amounts and the loss was negligable over all, but if you are only cupelling smaller amounts it may cut into profits.</p></blockquote><p></p>
[QUOTE="Dr4gul3, post: 156364, member: 5164"] do you know what kind of sulfide material it is? arsenopyrite would obviously be quite dangerous. but I was thinking if there is any antimony present when you cupel the final smelt you may oxidise some of the gold along with the lead. I have had this happen to me quite a few times, though it wasn't quite as much a big deal as I was cupelling large amounts and the loss was negligable over all, but if you are only cupelling smaller amounts it may cut into profits. [/QUOTE]
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Gold Prospecting
Do It Yourself (DIY) Projects
Refractory Clay for Crucibles & Furnaces
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