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<p>[QUOTE=&quot;wrljet, post: 2838143, member: 88958&quot;]Except that isn&#039;t quite 100% accurate.</p><p><br /></p><p>There are studies on this, such as:</p><p><br /></p><p><a href="http://www.stonybrook.edu/vescalab/research/research7.html" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.stonybrook.edu/vescalab/research/research7.html" rel="nofollow">http://www.stonybrook.edu/vescalab/research/research7.html</a></p><p><br /></p><p>&lt;&lt;&lt;</p><p>Copper reacts photochemically with acetone and water vapor to form acetic acid. The acetic acid then reacts with copper to form copper acetate. Over a period of 18 hours the copper foil that was immersed in acetone and exposed to ambient light developed blue crystal deposits as shown in the optical photomicrograph in Fig. 1(left). The acetone in the beaker had evaporated leaving behind a strong odor of acetic acid.</p><p>&gt;&gt;&gt;[/QUOTE]</p><p><br /></p>

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