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<p>[QUOTE=&quot;GDJMSP, post: 2466502, member: 112&quot;]Not at all. Rather, they and myself, concluded exactly what should be concluded - that sometimes when you use acetone on a copper coin, that coin might just turn weird colors. So it is best not to use acetone on copper.</p><p><br /></p><p>You see Thad, that&#039;s what I was trying to explain above. What I have always tried to explain. It doesn&#039;t matter if acetone affects copper or not, the only thing that matters is the end result - regardless of what caused it.</p><p><br /></p><p><br /></p><p><br /></p><p>OK, you&#039;re the chemist not me, so I am certainly willing to take your word. And in fact am glad you corrected me. But your comments seem to be telling me/us what acetone will not do - not what xylene will not do.</p><p><br /></p><p>All I can do is report on my personal experiences with both, namely that there are quite a few things that acetone will not remove from a coin, but xylene will remove them. And even though there are, as you say, things that acetone will remove that xylene will not - well I certainly haven&#039;t ever run across any of those things yet. And I&#039;ve used both acetone and xylene on a professional basis, as well as using them both on coins.</p><p><br /></p><p>So I suspect it&#039;s something kind of similar to what you repeatedly say about you never having a copper coin treated with acetone turn weird colors. You&#039;ve never seen that, I&#039;ve never seen this. Nonetheless, both things are true.</p><p><br /></p><p>But I&#039;m always willing to learn, so please, tell me, tell us, what acetone will remove from a coin that xylene won&#039;t.[/QUOTE]</p><p><br /></p>

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