Message:

<p>[QUOTE=&quot;kanga, post: 2809847, member: 9270&quot;]Unfortunately zinc is quite sensitive to environmental conditions particularly if moisture is involved.</p><p>IMO if there was ever a justifiable reason for cleaning coins those German WWII coins are prime candidates.</p><p>But I don&#039;t know what would work.</p><p>Not water; it&#039;s part of the problem.</p><p>I don&#039;t think acetone would work.</p><p><br /></p><p><b>WARNING:</b></p><p>Acid would work <b>BUT </b>as reactive as zinc is with acid it would have to be a VERY weak acid.</p><p>Just remember your high school chemistry class.</p><p>Hydrogen was generally created by mixing zinc with HCl.</p><p>The result is a fairly strong explosive.</p><p>Olive oil might be the solution; it&#039;s mildly acidic.</p><p><br /></p><p>Maybe someone in the know will come by and offer another, better solution.[/QUOTE]</p><p><br /></p>

Your name or email address:

Do you already have an account?

• No, create an account now.
• Yes, my password is:
• Forgot your password?

Stay logged in