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<p>[QUOTE=&quot;Searcher64, post: 2003718, member: 21828&quot;]I wonder if electrolysis on gold, would work to dislodge the surface matter. You still would have to use stainless steel probes, as on other metals and low dc voltage.</p><p>Anyone ever used it on gold or platinum coins? You could use a sound wave on the coin to dislodge the matter, as they use in medical or sports treatments.[/QUOTE]</p><p><br /></p>

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