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<p>[QUOTE=&quot;-jeffB, post: 2000454, member: 27832&quot;]Maybe if you tell her you&#039;re &quot;trying to remove surface contamination without disturbing nanoscale features on a soft reactive metal (Ag/Cu) surface&quot;, she&#039;ll get the picture about Dawn. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie1" alt=":)" unselectable="on" unselectable="on" /></p><p><br /></p><p>&quot;Nanoscale features&quot; is an overstatement, but the flow lines that cause luster are pretty fine-scale and delicate; that&#039;s why wiping is out of the question. And silver and copper aren&#039;t <i>that</i> reactive, but reactive enough that any leftover Dawn residue might well cause chemical changes.</p><p><br /></p><p>Meanwhile, I agree with the rest of her advice: use acetone only in a well-ventilated area, don&#039;t huff it, and don&#039;t smoke while you&#039;re using it. Come to think of it, don&#039;t smoke at all. Cancer, you know. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie2" alt=";)" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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