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<p>[QUOTE=&quot;SuperDave, post: 2298142, member: 1892&quot;]The only thing I&#039;d add to Doug&#039;s words is that distilled water is not required if your final rinse is (as it should always be) acetone. Acetone will remove any deposits from the water - which won&#039;t be touching the coin long enough to matter - and allow you to use tap water under pressure, which will help with forcing contaminants off of the water. In fact, that&#039;s how I dip - the coin goes instantly under warm running water to more quickly blast the dip off of the coin.</p><p><br /></p><p>Acetone and xylene are differing chemicals for similar situations. Acetone is a polar solvent and xylene nonpolar; they are best with differing potential contaminants on a coin. Acetone is usually the better but if it won&#039;t touch what&#039;s on the coin, xylene might work.[/QUOTE]</p><p><br /></p>

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