How Long Does Acetone Take To Work?

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Author	Replies: 9 / Views: 1,415
2rtgah678 Valued Member Canada 291 Posts	Posted 10/01/2021 2:18 pm so I just accidentally put a fingerprint on one of my proof coins and I put it into a acetone bath within like 10mins of it happening. its been 1 day of soaking and it looks like it has faded but its not gone yet. I know the acetone should remove but does anyone know how long it should take? 4 days a week or 2? thanks Report this Post to the Staff

HappyHippo Valued Member United States 266 Posts	Posted 10/01/2021 2:20 pm Acetone should be fast for that kind of thing. You make need to wipe it carefully with something soft. Report this Post to the Staff
PlumCrazy814 Pillar of the Community United States 928 Posts	Posted 10/01/2021 2:22 pm I use a non-plastic q-tip. Soak the cotton until it is mushy, they gently "mop" the coin Report this Post to the Staff
ijn1944 Bedrock of the Community United States 19446 Posts	Posted 10/01/2021 3:11 pm Keep at it, soak for several hours and gently swab. Repeat if needed. Ensure the acetone stays fresh. Report this Post to the Staff
2rtgah678 Valued Member Canada 291 Posts	Posted 10/01/2021 3:32 pm so every time I swab the coin I should use new acetone? Report this Post to the Staff
T-BOP Rest in Peace United States 18456 Posts	Posted 10/01/2021 4:39 pm A finger print on a coin can be a pain in the butt to remove even with Acetone . Try a long soak 24 hours , and yes as mention a soft Q-Tip pass on the print . I would not try any other cleaner solution on your coin . Report this Post to the Staff
Grinya Valued Member 251 Posts	Posted 10/02/2021 10:55 am I hope an Acetone you use is clean enough.... Report this Post to the Staff
just carl Bedrock of the Community United States 20753 Posts	Posted 10/03/2021 11:33 am As already mentioned make sure your Acetone is fresh. To test it place a small amount on a clean plate and allow to evaporate. Should leave no residue. Report this Post to the Staff
jbuck Moderator United States 193466 Posts	Posted 10/04/2021 10:44 am Quote: As already mentioned make sure your Acetone is fresh. To test it place a small amount on a clean plate and allow to evaporate. Should leave no residue. 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
Conder101 Bedrock of the Community United States 17884 Posts	Posted 10/05/2021 06:06 am Fingerprints are not just skin oils, there are also salts and organic acids present as well. The acetone will remove the oil almost instantly but salt deposits in the shape of the fingerprint may remain, and if you skin secretions are highly acidic they may have already reacted with the metal surface in which case they are permanent. If they are salt deposits a good rinse with distilled water may remove the deposits. Report this Post to the Staff
	Replies: 9 / Views: 1,415

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