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Toning in the slab - Coin Chemistry
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<p>[QUOTE="Just Carl, post: 808596, member: 4552"]People write books for profit and really have no or little real knowledge as to what is real and what isn't. Some take little information and blow it up for sensationalism so thier book will sell. If you were around at the time of the famous Kinzie reports, you would understand how little truth there is to many things in print. Not saying his information is wrong, just possibly not conclusive or maybe not even actually done but hypothesized. As already noted nothing is really air tight or most things anyway. Naturally our government and other organizations spend millions on experiments with as much air tight facilities as possible. But for a piece of plastic to hold a coin, not likely. Copper is horrible under any situations for reacting with the invironment. Almost anywhere on Earth Sulfur Rich coal is burned and the Sulfur is emitted as SO or SO2 into the air. Volcanos also emit Sulfur gassous compounds into the air. Although minor for the amount of air on Earth, it does find and attack Copper. Slower in some areas than others but not many TPGS holders are completely safe.[/QUOTE]</p><p><br /></p>
[QUOTE="Just Carl, post: 808596, member: 4552"]People write books for profit and really have no or little real knowledge as to what is real and what isn't. Some take little information and blow it up for sensationalism so thier book will sell. If you were around at the time of the famous Kinzie reports, you would understand how little truth there is to many things in print. Not saying his information is wrong, just possibly not conclusive or maybe not even actually done but hypothesized. As already noted nothing is really air tight or most things anyway. Naturally our government and other organizations spend millions on experiments with as much air tight facilities as possible. But for a piece of plastic to hold a coin, not likely. Copper is horrible under any situations for reacting with the invironment. Almost anywhere on Earth Sulfur Rich coal is burned and the Sulfur is emitted as SO or SO2 into the air. Volcanos also emit Sulfur gassous compounds into the air. Although minor for the amount of air on Earth, it does find and attack Copper. Slower in some areas than others but not many TPGS holders are completely safe.[/QUOTE]
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