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 Replies: 21 / Views: 377 |
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Bedrock of the Community
 United States
25397 Posts |
Quote:
and take me a few days to remember Remember what?  Inordinately fascinated by bits of metal with strange markings and figures
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Bedrock of the Community
United States
10583 Posts |
Quote:
Remember what? Well luckily (or unluckily) I can blame it on brain damage from when I got ran over by 2 cars when I was a kid, not for something I actually did like drinking or smoking weed...........  |
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Moderator
United States
15466 Posts |
I like the acetone soak idea.
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Bedrock of the Community
United States
19186 Posts |
I had a similar challenge with about $30 in cents a few years back. I was short of acetone and used 91% isopropyl alcohol--soaked overnight (covered), rinsed the next day in distilled water. Overall, good results were obtained.
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Moderator
United States
189053 Posts |
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Pillar of the Community
  United States
8775 Posts |
Thank you, everyone, lots of good info!
-makecents-
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Pillar of the Community
United States
500 Posts |
I don't know where y'all are buying acetone.
But at $13/quart or $27/gallon (prices I'm seeing), that route seems pretty pricey for such a large number of Cents.
Plus, it's highly volatile. Unless contained in something closer to air-tight than a roaster pan, it wouldn't last long. [and it's highly flammable].
I thought I'd found a neat solution for coins with a small glass storage container with a clip-top glass lid. Even with its silicone seal and tightly closed, the little acetone molecules managed to escape, though it took a few weeks.
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Pillar of the Community
Canada
5397 Posts |
Find a bank coin counting machine , turn them in . Looks like a biohazard issue  |
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Pillar of the Community
Canada
1767 Posts |
 Personally, it would not be worth the time and effort to try and clean theses coins. ..  Edited by Sharks
Yesterday 12:09 pm
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Moderator
United States
189053 Posts |
You guys are no fun.  |
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Moderator
United States
96935 Posts |
like the acetone soak method - following the polarity ladder, you can skip the water part seeing how they were in a moist bag for who knows how long.  |
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Pillar of the Community
United States
3659 Posts |
Wear an N95 or higher respirator around those things. You don't want any of that in your lungs. No coins are worth that. There's a reason why the Katrina and Harvey coins were pretty brutally acid tumble-washed by hazmat companies before being accepted by banks.
To be honest, I would throw them in the trash and not think twice about it.
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Moderator
United States
189053 Posts |
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following the polarity ladder, you can skip the water part seeing how they were in a moist bag for who knows how long. I would not. The water needs to be distilled and replaced to do its thing. |
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Bedrock of the Community
United States
10583 Posts |
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Wear an N95 or higher respirator around those things I used to own a woodshop and supplied all of my employees N95s for wood dust - but we still could smell farts and cigarette smoke through them - But they do work excellent for sawdust - |
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Pillar of the Community
United States
500 Posts |
Concur Marv65. A mask will do nothing to protect against acetone.
N95 masks do not filter gases; they are for particulate matter down to 0.3 micrometers.
An acetone molecule is about 0.0003 micrometers.
They will filter mold spores, which are 1 to 30 micrometers.
But in spite of the topic's title, I doubt mold is an issue here.
Edited by Vector Ze
Today 1H 5M ago
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Posted 06/22/2026 11:22 pm
