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<p>[QUOTE=&quot;-jeffB, post: 8181954, member: 27832&quot;]Thanks [USER=23122]@Tamaracian[/USER] for this post; I&#039;m always interested in hearing from people with extensive experience at this. I&#039;ve got questions about a couple of your statements, but please keep in mind that they&#039;re <i>questions</i>, and not intended as a challenge or attack.</p><p><br /></p><p>Since rust is completely insoluble in acetone, I&#039;ve figured that as long as I don&#039;t <i>shake</i> the container before pouring, it (and all the other solids) will stay in the bottom of the container. Have you actually had trouble with it getting into your coin bath? Do you notice discoloration in the acetone when you pour it out?</p><p><br /></p><p>I guess the most important question is whether it leaves a residue. You recommend rinsing with distilled water, but from what I&#039;ve seen, just <i>draining</i> the acetone is fine -- it has such low surface tension that very little remains on the coin after you <i>shake</i> it. Have you actually had acetone leave perceptible residue behind on coins?</p><p><br /></p><p>What gives you confidence that Brakleen is more pure/less contaminated than hardware-store acetone? It contains stabilizers, and while I don&#039;t have any reason to suspect <i>those</i> might damage coins, I&#039;m not sure. I <i>am</i> sure it&#039;s free of things that would harm auto brakes, but coins obviously aren&#039;t the same.</p><p><br /></p><p>I&#039;m happier about the environmental impact of acetone than I would be about PCE, although at least PCE isn&#039;t an ozone depleter like carbon tet and its other relatives. Acetone is a good bit less toxic, too, as I understand it.[/QUOTE]</p><p><br /></p>

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