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<p>[QUOTE=&quot;Kentucky, post: 1907019, member: 33176&quot;]desertgem said: <a href="http://www.cointalk.com/goto/post?id=1731173#post-1731173" class="internalLink ProxyLink" data-proxy-href="http://www.cointalk.com/goto/post?id=1731173#post-1731173">↑</a></p><p>I am going to try Oxalic acid ( I am not sure what concentrations I will use ) when I actually find a coin with milk spots. Maybe that is the good news <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p>Click to expand...</p><p>Did you ever try it?</p><p><a href="http://www.cointalk.com/members/kentucky.33176/" class="internalLink ProxyLink" data-proxy-href="http://www.cointalk.com/members/kentucky.33176/">Kentucky</a>,<a href="http://www.cointalk.com/threads/milk-spots-revisited.228967/page-3#post-1906189" class="internalLink ProxyLink" data-proxy-href="http://www.cointalk.com/threads/milk-spots-revisited.228967/page-3#post-1906189">Yesterday at 1:52 PM</a><a href="http://www.cointalk.com/posts/1906189/report" class="internalLink ProxyLink" data-proxy-href="http://www.cointalk.com/posts/1906189/report">Report</a></p><p><br /></p><p>&nbsp;I brought home some oxalic acid from the lab and tried soaking an older wheat cent in it.&nbsp; It really removed all the brown toning, but left the coin with a kind of matte surface.&nbsp; I put a bright new cent in the solution for several hours and saw no deterioration.&nbsp; Will do more studies.&nbsp; Don&#039;t think it would hurt the silver, but also don&#039;t know if it would do any good.[/QUOTE]</p><p><br /></p>

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