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<p>[QUOTE="GDJMSP, post: 4432099, member: 112"]7Jags - perhaps there is some information that you are not aware of, like what I said earlier that electrolysis is known for damaging coins. And that's not an opinion, that's a fact, a well documented fact. </p><p><br /></p><p>And then there's something else. For many decades collectors searched far and wide and conducted many, many tests trying to find some method for storing rolls of coins in such as way that the coins inside the paper rolls did not become excessively toned and/or damaged by the toning over long periods of time. The problem was particularly bad with copper coins and coins that contained copper. Eventually one them hit upon the idea of wrapping the coins (as a roll) in a layer of tin foil, and then reinserting the wrapped roll into the paper roll. They did this so that coins did not come into contact with the paper, hoping that would help prevent the toning. The first person to try this reported success so others began to try it as well and soon many collectors were using this method. </p><p><br /></p><p>Now it seemed all well and good for a while, but eventually some collectors began opening their rolls of coins and many found the coins to be severely damaged, badly corroded. But there were still others who reported success and suffered no damage. In fact their cents appeared to be pristine with no toning whatsoever, they were all still mint red ! So things were confusing, some coins severely damaged, others pristine - it didn't "seem" to make sense.</p><p><br /></p><p>But it did make sense - IF you understood what was happening. Ya see, when copper comes into contact with aluminum, nothing happens as long as there is no moisture. But the moment that moisture is introduced, even moisture from humidity in the air, that starts the chemical reaction between the copper and the aluminum foil because that's when electrolysis begins. And once it begins the reaction (electrolysis) between the copper and the aluminum destroys the copper, it corrodes it. Now all of this is documented scientific fact - it is not opinion !</p><p><br /></p><p>Ya see, that's why what your doing works, it's because the electrolysis is destroying the copper spots, literally eating them right off the coin. Now with pure gold (0.99 or better) it's not a problem - because it's pure gold ! But with other coins, coins that are not pure gold but 90 % gold and 10% or close to it copper (which most are), the electrolysis can and will destroy the copper in the alloy. </p><p><br /></p><p>This is why I have been saying what I have been saying in this thread. Now you might get away with it sometimes where the coin is not damaged - in fact you have been so far. But that doesn't make it a good idea because the risk is real - its factual ! And that's all I'm trying to do, make you, and others who read this aware of the facts. Your own results prove that what I'm saying is a fact - electrolysis literally eats the copper spot off the gold coin. And it's only because most of the coin alloy is gold that damage is not patently obvious. And in some cases it will be obvious, it's only a matter of time.</p><p><br /></p><p>And you, and nobody else, has to take my word for all this, you can easily look it up, it's all real, it's all fact, it's all documented. In the presence of moisture the electrolysis between copper and aluminum corrodes the copper, eats the copper. It isn't a maybe, it's absolutely going to happen. The only question is how thick is the layer of copper molecules in the red spot, and will the electrolysis eat that away before it starts eating the other copper molecules in the alloy ?[/QUOTE]</p><p><br /></p>
[QUOTE="GDJMSP, post: 4432099, member: 112"]7Jags - perhaps there is some information that you are not aware of, like what I said earlier that electrolysis is known for damaging coins. And that's not an opinion, that's a fact, a well documented fact. And then there's something else. For many decades collectors searched far and wide and conducted many, many tests trying to find some method for storing rolls of coins in such as way that the coins inside the paper rolls did not become excessively toned and/or damaged by the toning over long periods of time. The problem was particularly bad with copper coins and coins that contained copper. Eventually one them hit upon the idea of wrapping the coins (as a roll) in a layer of tin foil, and then reinserting the wrapped roll into the paper roll. They did this so that coins did not come into contact with the paper, hoping that would help prevent the toning. The first person to try this reported success so others began to try it as well and soon many collectors were using this method. Now it seemed all well and good for a while, but eventually some collectors began opening their rolls of coins and many found the coins to be severely damaged, badly corroded. But there were still others who reported success and suffered no damage. In fact their cents appeared to be pristine with no toning whatsoever, they were all still mint red ! So things were confusing, some coins severely damaged, others pristine - it didn't "seem" to make sense. But it did make sense - IF you understood what was happening. Ya see, when copper comes into contact with aluminum, nothing happens as long as there is no moisture. But the moment that moisture is introduced, even moisture from humidity in the air, that starts the chemical reaction between the copper and the aluminum foil because that's when electrolysis begins. And once it begins the reaction (electrolysis) between the copper and the aluminum destroys the copper, it corrodes it. Now all of this is documented scientific fact - it is not opinion ! Ya see, that's why what your doing works, it's because the electrolysis is destroying the copper spots, literally eating them right off the coin. Now with pure gold (0.99 or better) it's not a problem - because it's pure gold ! But with other coins, coins that are not pure gold but 90 % gold and 10% or close to it copper (which most are), the electrolysis can and will destroy the copper in the alloy. This is why I have been saying what I have been saying in this thread. Now you might get away with it sometimes where the coin is not damaged - in fact you have been so far. But that doesn't make it a good idea because the risk is real - its factual ! And that's all I'm trying to do, make you, and others who read this aware of the facts. Your own results prove that what I'm saying is a fact - electrolysis literally eats the copper spot off the gold coin. And it's only because most of the coin alloy is gold that damage is not patently obvious. And in some cases it will be obvious, it's only a matter of time. And you, and nobody else, has to take my word for all this, you can easily look it up, it's all real, it's all fact, it's all documented. In the presence of moisture the electrolysis between copper and aluminum corrodes the copper, eats the copper. It isn't a maybe, it's absolutely going to happen. The only question is how thick is the layer of copper molecules in the red spot, and will the electrolysis eat that away before it starts eating the other copper molecules in the alloy ?[/QUOTE]
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