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<p>[QUOTE=&quot;desertgem, post: 1561591, member: 15199&quot;]Since&nbsp; the original question concerned the &quot;rumor&quot; that some swiss gold was&nbsp; derived from melting teeth that had mercury in the dental work. If the&nbsp; difference was in the billionth percentages, I doubt anyone would have&nbsp; noticed. </p><p><br /></p><p>&nbsp;</p><p>&nbsp;I would like a factual&nbsp; reference on this as there is no change to the crystal structure of the&nbsp; gold from mercury as when mixing gold with say silver or copper, that do&nbsp; alter the crystal structure.</p><p><br /></p><p><br /></p><p><br /></p><p>And are you saying that a person today shouldn&#039;t worry about doing the same thing ( with or without a propane burner). ?? </p><p><br /></p><p><br /></p><p>Of course I didn&#039;t mention time and exploding or rushing out of the gold. Maybe there are some exotic smelting vessels that use induction or laser based heating arrangement, but generally I think most would find it difficult to accelerate the temperature so rapidly the mercury couldn&#039;t boil off slowly. Yes, vapor pressure of the mercury accumulating in the air&nbsp; would prevent all of the mercury from being boiled off, so purity couldn&#039;t reach 100%, but too minor to usually be a factor. </p><p><br /></p><p>Boil a flask of water in a flask with a neck just large enough for the fish, cool, and don&#039;t shake or agitate the water and put a gold fish into it and time how long it lives. Do the same only this time put the setup on a stirrer with a bar in the water. Boiled water has very little oxygen in it, water needs agitation so oxygen can dissolve and agitate from the surface downward to support life beyond anaerobic organisms.[/QUOTE]</p><p><br /></p>

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