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<p>[QUOTE=&quot;-jeffB, post: 3528525, member: 27832&quot;]The etchant from the other thread was vinegar and hydrogen peroxide. Other candidates are nitric acid and an iodine solution. Nitric acid is available in &quot;silver test kits&quot;, but iodine is increasingly hard to come by, because it can be used in meth recipes. <img src="styles/default/xenforo/clear.png" class="mceSmilieSprite mceSmilie3" alt=":(" unselectable="on" unselectable="on" />[/QUOTE]</p><p><br /></p>

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