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<p>[QUOTE="John Burgess, post: 8246923, member: 105098"]Now yall got me wanting to hammer on a cent between leather to see if the plating will come off.</p><p><br /></p><p>And try also the other forms of deplating to see the results after it's done.</p><p>[MEDIA=youtube]jRiBYMv6Tz4[/MEDIA]</p><p><br /></p><p>I know nicking the edge in a couple places to expose the zinc and putting it in vinegar for a while will dissolve the zinc and leave a copper shell. Not exactly sure how the deplating thing works, but from the video attached, the copper becomes copper sulfide and could be wiped off, the guy uses polish to clean and shine it. But I'd suppose if it was deplated and not polished, and just cleaned up gently,there's be traces of blackening on the surface from remnant copper sulfide from the process. I'd say if it has a whole bunch of little bumps on it, it's probably been chemically deplated and that's some zinc corrosion from the process.[/QUOTE]</p><p><br /></p>
[QUOTE="John Burgess, post: 8246923, member: 105098"]Now yall got me wanting to hammer on a cent between leather to see if the plating will come off. And try also the other forms of deplating to see the results after it's done. [MEDIA=youtube]jRiBYMv6Tz4[/MEDIA] I know nicking the edge in a couple places to expose the zinc and putting it in vinegar for a while will dissolve the zinc and leave a copper shell. Not exactly sure how the deplating thing works, but from the video attached, the copper becomes copper sulfide and could be wiped off, the guy uses polish to clean and shine it. But I'd suppose if it was deplated and not polished, and just cleaned up gently,there's be traces of blackening on the surface from remnant copper sulfide from the process. I'd say if it has a whole bunch of little bumps on it, it's probably been chemically deplated and that's some zinc corrosion from the process.[/QUOTE]
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