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<p>[QUOTE=&quot;BadThad, post: 835421, member: 17261&quot;]leeg - WOW! You did a fantastic job on the copper! It looks so much better now.</p><p>&nbsp;</p><p>I&#039;m with Doug here. That is a very old text. What is the source? </p><p>&nbsp;</p><p>One mistake that completely stuck me was the improper use of xylene. First off, it will NOT remove verdigris. The physical action of rubbing the coin with a q-tip or a thorn may remove some, but chemically xylene is useless on verdigris. Also, as any collector knows, you do not want to run a q-tip across a coins surface to &quot;apply&quot; xylene (or for any other reason). It is far better to soak a coin in xylene so the surface debris is brought into solution without physical action. Nonetheless, it is pretty cool that they knew about the virtures of xylene on copper as a conservation agent!</p><p>&nbsp;</p><p>One other thing that completely cracked me up was the warning about xylene causing &quot;skin burns&quot;. NO NO and NO! LOL That is completely false. Xylene will not cause skin burns nor is it corrosive to the skin. It will dry your skin, defat it and (for some people) redness and irritation with prolonged contact....but NO burns.[/QUOTE]</p><p><br /></p>

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