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<p>[QUOTE=&quot;Oldhoopster, post: 2800238, member: 84179&quot;]Cal is right about the corrosion inhibitors binding to metal.&nbsp; Maybe this is why you see the hazy appearance after soaking in acetone (This is only a guess).</p><p><br /></p><p>Removing these could be tricky and beyond the ability of many &quot;shade tree numismatic chemists&quot; to provide good advice.&nbsp; I would be careful trying anything beyond the acetone and distilled water unless you know what was in the antifreeze and can get an opinion from a good chemist (there are some on CT) as to the correct solvent to use.[/QUOTE]</p><p><br /></p>

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