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<p>[QUOTE=&quot;Insider, post: 2430413, member: 24314&quot;]Ammonia removes things acetone won&#039;t touch.&nbsp; Try an experiment with a tarnished silver fork! <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie11" alt=":rolleyes:" unselectable="on" unselectable="on" />&nbsp; Bet the fork in acetone will still not be ready for the Thanksgiving table!<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie46" alt=":facepalm:" unselectable="on" unselectable="on" /></p><p><br /></p><p>BTW, at present, I have an ancient coin with &quot;verdigris&quot; soaking in acetone (6 days so far) <span style="color: #00b359">with no noticeable change! <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie8" alt=":D" unselectable="on" unselectable="on" />&nbsp; <span style="color: #000000">When I get REALLY tired with this (futile?) experiment<img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie104" alt=":yawn:" unselectable="on" unselectable="on" /> <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie27" alt=":bored:" unselectable="on" unselectable="on" />; I&#039;ll &quot;fix&quot; the coin in less than three minutes with another common chemical. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie16" alt=":artist:" unselectable="on" unselectable="on" /> </span></span>[/QUOTE]</p><p><br /></p>

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