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<p>[QUOTE=&quot;Just Carl, post: 174106, member: 4552&quot;]Of course what is missing from this subject is exactly what the coin is dipped in. Proper dipping also depends on what is used for a dipping solution and how it is dried afterwards. One thing I have done over the years lately is try dipping, toning, untoning, etc. with all types of coins. I&#039;ve purposely bought cleaned, toned, dipped coins for experimental purposes. What so many of us forget though is the extensive differences in dipping solutions. Even the containers used can create differences. Most people think glass is a safe medium for containing solutions. Not sure where I read this but several hundred years ago a scientist made what he thought was the clearest water in the world. He then put it in the clearest glass container he could find. Today it is in a Museum somewhere and it is all clouded up. Glass is basically Silicon Dioxide and in what we call glass can also dissolve a little into a solution. </p><p>My oddest experiment is with common dish soap. Some of them turn all Silver, Clad and even some Copper coins deep blue and it will not come off. I say odd because so many dish soaps are different forumlae that acquiring the same results repitiously is rare.[/QUOTE]</p><p><br /></p>

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