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<p>[QUOTE=&quot;Just Carl, post: 212846, member: 4552&quot;]Just one more episode with Acetone. After reading all this I went out and purchased some Acetone from a chemical supply house in the area. I already have a can of Acetone in the garage that has been there for a few years. Remember that even on the can it states that Acetone will disolve many things and that makes me wonder what is on the inside of the can that would not contaminate the Acetone. The small sample from a chemical supply house was in glass. </p><p>I now put the real pure Acetone in a glass beaker, sort of a glass used in chem labs with measurements on them. Enersed 2 Copper coins and left them for about 5 hours in the beaker covered. They were 1983 and 1989 Lincoln Cents. Removed them and really not much change of any kind. Now left a small amount of the Acetone on a concave glass, put outdoors to evaporate. Nothing left on the glass. Now put some of the Acetone from the can from Walmart on that glass to evaporate. Hazy powder left over. </p><p>And so that is possibly why some people have poor results from Acetone. </p><p>&nbsp;&nbsp; Note these are my findings and numerous other experiments may have different results.[/QUOTE]</p><p><br /></p>

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