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<p>[QUOTE=&quot;GDJMSP, post: 2747740, member: 112&quot;]Yes, and there have been many threads on the subject. This is just one of them -</p><p><a href="https://www.cointalk.com/threads/proper-acetone-procedure.193708/" class="internalLink ProxyLink" data-proxy-href="https://www.cointalk.com/threads/proper-acetone-procedure.193708/">https://www.cointalk.com/threads/proper-acetone-procedure.193708/</a></p><p><br /></p><p>But if I recall most of what you need to know can be found in that thread. But if you do a search using the phrase &quot;proper cleaning&quot; or &quot;properly cleaning&quot; as the key words you can probably find most of the others.</p><p><br /></p><p>The thing you have to realize is when it comes to properly cleaning a coin, what you use depends on what is on the coin and what you are trying to do. There are 4 basic products to use:</p><p>1 - distilled water</p><p>2 - acetone</p><p>3 - xylene</p><p>4 - coin dip</p><p><br /></p><p>Each one of those will remove some things and not remove other things. Plain ordinary dirt and grime for example, your best choice is distilled water. That is because the only dirt &amp; grime that say acetone will remove is that which would be removed by any liquid. But, distilled water will remove much of the dirt that acetone would leave behind. This is because distilled water will dissolve most ordinary dirt and grime whereas acetone will not dissolve it.</p><p><br /></p><p>Another example would be PVC residue. If you have PVC residue on a coin then acetone is your best choice because acetone does the best job of dissolving it. </p><p><br /></p><p>And you need to keep in mind that the order in which I listed the products above is the order in which you should use them when you are not quite sure what it is that is on the coin. Think of it like a ladder, distilled water is the first rung at the bottom and you work your way up.</p><p><br /></p><p>Also, each one of those products has a proper procedure that must be followed if you want them to work correctly. With distilled water it&#039;s mostly a matter of soaking and swishing the coin around, and proper drying. And patting dry or blotting dry is not proper drying ! The procedure for acetone and xylene is described by me in the thread I linked above. The procedure for using coin dip is extremely complicated and requires a great deal of experience, and should not be attempted by those who do not already know what they are doing.[/QUOTE]</p><p><br /></p>

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