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<p>[QUOTE=&quot;claycad, post: 1155022, member: 17987&quot;]Okay, now bear with me, I failed chemistry twice in high school before I finally ( barely) passed my thrid time, no joke. </p><p><br /></p><p>So why does olive oil clean a coin? If this is to complecated to answer, then don&#039;t worry about it, but is it something about olive oil in particular (its acidic properties perhaps) that cleans it, or just oil in general? Could I use vegetable oils to clean it or mineral oil would that be safer since it is neutral or would they not work? The article I read said to specifically use olive oil, it didn&#039;t say why, it just said olive oil. It didn&#039;t specify to use pure or virgin or extra virgin either, so I just got the pure. </p><p><br /></p><p>Also I just ordered some intercept shields which have some kind of chemical that neutralize contaminates in the air around the coin before they touch the coin. I don&#039;t know if this is a gimmick or if they really work. If I like them I will probably buy enough to put a coin from each year I have of Indian head cents...yeah, this sound silly since intercept shields cost about $1 per 2x2 and some of my coins are barely worth that much, I guess it&#039;s that OCD thing again. But would the intercept shields help prevent chemical reactions with any oils left on the coins thereby preventing the formation of the reactive chemicals you are describing?</p><p><br /></p><p>Thanks for the help.[/QUOTE]</p><p><br /></p>

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