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'Xylene' - Is it a suitable product for use on Bronze AND Silver coins?
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<p>[QUOTE="lrbguy, post: 2871715, member: 88829"]I did. They're not. The hard green substance we have been calling "Verdigris," does not contain chlorine ions. What we have been calling "Bronze Disease" is only the chloride or chlorate compound on the surface. That is the way it is regarded in the literature conservators use. Those of us who have not adopted that convention, might want to get with it. (Or not, as they choose.) BTW the acid that produces copper acetate is, drumroll, acetic acid (think vinegar). And if that is in the air, it will react with any exposed copper, with or without the interference of PVC.</p><p><br /></p><p>Pishpash gave a fine take on the problem in non technical language. Bravo dear lady![/QUOTE]</p><p><br /></p>
[QUOTE="lrbguy, post: 2871715, member: 88829"]I did. They're not. The hard green substance we have been calling "Verdigris," does not contain chlorine ions. What we have been calling "Bronze Disease" is only the chloride or chlorate compound on the surface. That is the way it is regarded in the literature conservators use. Those of us who have not adopted that convention, might want to get with it. (Or not, as they choose.) BTW the acid that produces copper acetate is, drumroll, acetic acid (think vinegar). And if that is in the air, it will react with any exposed copper, with or without the interference of PVC. Pishpash gave a fine take on the problem in non technical language. Bravo dear lady![/QUOTE]
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