Acetone Bath For Treating Of Verdigris

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Author	Replies: 5 / Views: 2,453
Tjmcman Valued Member United States 225 Posts	Posted 12/19/2012 9:14 pm I'm about to embark on my first coin treatment. I have some Verdi Care in the mail and some acetone ready for a soak. Question: I've heard to give the coins a 'good soak' in acetone on this site. I was wondering what this means in actual time. What am I looking for in judging this. Second, pat dry? Third, with the Verdi Care, am I coating lightly and leaving as such or coating and pating clean? Thanks, Terry McManus Report this Post to the Staff

Sap Moderator Australia 16826 Posts	Posted 12/19/2012 10:52 pm Acetone won't do a single thing to verdigris. If it's green, but it comes off in acetone, it's not verdigris, it's PVC goo. Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis Report this Post to the Staff
sel_69l Bedrock of the Community Australia 21786 Posts	Posted 12/20/2012 12:14 am Verdigris is an inorganic double salt of copper, and an organic solvent such as acetone will have zero effect on the verdigris. If there is any pitting of the bronze beneath the verdigris, VerdiCare will not be able remove any such damage. From other posts I have read, VerdiCare works best on modern bronze coins, where there the green is quite thin, and evenly spread. If the green has a scabby build up, the coin is almost certainly is damaged, and cannot be fixed. Report this Post to the Staff
Arcticsparky Valued Member United States 380 Posts	Posted 12/20/2012 12:29 am I recently used acetone to remove green pvc goo off of one of my morgans. It worked very well, removing everything but the natural tarnish of it's age. This only took about 30 min. soak. The acetone evaporates very quickly once you remove the coin from soaking. I then rinsed it with water and it is much better. I don't know if this is the correct method as I have seen many different opinions on this matter. The more experienced guys here might be able to help a little more. Or correct me if I'm wrong, but it worked for me. Report this Post to the Staff
upstate Pillar of the Community United States 3283 Posts	Posted 12/20/2012 08:28 am My experience: What acetone won't accomplish in a minute or 2, it won't accomplish if left longer. Report this Post to the Staff
jbuck Moderator United States 188213 Posts	Posted 12/20/2012 11:23 am Quote: Second, pat dry? No, let it evaporate, which it will do very quickly. Also, it is important to do a final rinse in fresh acetone to ensure nothing is left behind. Coin Collector Since 1978 Avatar Old Avatar 7070 Eisenhower Australia Canada World CCF Members on eBay CCF eBay Search Engine Report this Post to the Staff
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