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<p>[QUOTE=&quot;BadThad, post: 1096000, member: 17261&quot;]You worry too much. LOL </p><p>&nbsp;</p><p>Other coin toner products were probably not developed by chemists with years of experience in metalworking. When I develop a coin product, I put a lot of thought into the science. For example with VT, I don&#039;t simply dissolve sulfur into oil like Dellars does. VERDI-TONE is much more complex. It gases the coin with hydrogen sulfide using a slow-release technology. The only things that contact the coin are air and H2S. The long-term effects would be no different than natural toning because it&#039;s the EXACT same process.</p><p>&nbsp;</p><p>I suggest you read the book Coin Chemistry so you and fully understand the chemistry involved.[/QUOTE]</p><p><br /></p>

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