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<p>[QUOTE=&quot;GDJMSP, post: 1491683, member: 112&quot;]I think you&#039;ll learn a few things is what I think. But in order for your experiments to have validity you&#039;ll have to follow the same specific process each time. Two things are of vital importance. 1 - each coin must be rinsed at least 3 times in clean liquid to make sure there are no contaminants in solution in the liquid. 2 - the coins have to be stood on edge on a towel or soft absorbent cloth to dry.</p><p><br /></p><p>Number 2 will accomplish two things for you. It will allow any excess moisture to run off the coin so it does not pool in low areas like it would if the coin were laying down flat. And it will allow both sides of the coin to be exposed to the air for proper drying.[/QUOTE]</p><p><br /></p>

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