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<p>[QUOTE=&quot;Stevearino, post: 6298094, member: 74571&quot;]I&#039;ve used a lot of acetone on silver, probably enough to kill plenty of brain cells over the years.&nbsp; My acetone comes in metal cans, what appears to be ordinary &quot;tin cans&quot; which, according to a bit of reading, likely contains no tin, or, at the most, a tin-plating.&nbsp; Otherwise our &quot;tin cans&quot; are aluminum, iron or steel.&nbsp; Three articles say acetone is &quot;safe for metal.&quot;</p><p><br /></p><p>Recently I&#039;ve picked up some Norwegian coins, and, before tucking them away in holders I&#039;d like some advice from those of you who know from experience or research: would you recommend an acetone bath for:</p><p><br /></p><p>&nbsp; - <b>Bronze?</b>&nbsp; </p><p>&nbsp; - <b>Iron?</b>&nbsp; (WW I and WW II issues)</p><p>&nbsp; - <b>Zinc?</b>&nbsp; (WW II issues)</p><p><br /></p><p>Thanks, folks!</p><p>Steve[/QUOTE]</p><p><br /></p>

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