Acetone Experiment - Part II - Coin Community Forum

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Author	Replies: 5 / Views: 1,237
kbbpll Pillar of the Community United States 4233 Posts	Posted 02/05/2019 7:45 pm I decided to give it another shot with acetone on a better coin, with green gunk that I'd like to alleviate. Before and after. The "after" is after 2 hours in acetone and 4 rounds of gentle rolling with cotton swab. While the flat areas seem improved, and the corn area, one thing I noticed right away under the microscope is that the green stuff turned milky white and seemingly got bigger in places. Should I soak for days now or just leave it? So far I haven't made it worse, but it seems rather tenacious. Coin didn't really get whiter, just the lighting. Report this Post to the Staff

just carl Bedrock of the Community United States 20753 Posts	Posted 02/05/2019 9:35 pm Length of time using Acetone means little. Usually after only a few minutes it has done all it can do. You could leave a coin in Acetone for possibly a year with no difference than a few minutes or hours. Report this Post to the Staff
USSID18 Pillar of the Community 5464 Posts	Posted 02/05/2019 9:49 pm The green stuff is verdigris. Forget the acetone. I would use Verdi-Care on that coin Report this Post to the Staff
mcshilling Pillar of the Community Canada 9578 Posts	Posted 02/06/2019 09:07 am use Verdi-Care Report this Post to the Staff
T-BOP Rest in Peace United States 18456 Posts	Posted 02/06/2019 09:28 am You have to realize that the acetone doesn't work on every kind of problem a coin has . I agree after a short soak then Verdi-Care should have been used on that coin . This coin looks like it had a prier cleaning probably by someone trying to get a lot more green and dark crud off that coin before you . Dull,lifeless light grey color is a dead giver-way . Report this Post to the Staff
jbuck Moderator United States 194256 Posts	Posted 02/06/2019 10:34 am Quote: The green stuff is verdigris. Forget the acetone. I would use Verdi-Care on that coin I agree. 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
	Replies: 5 / Views: 1,237

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