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 Replies: 33 / Views: 671 |
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Moderator
 United States
189222 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
10592 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
506 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
Yesterday 02:31 am
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Pillar of the Community
United States
3662 Posts |
The N95 isn't for the acetone. It's for the mold spores.
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Moderator
United States
189222 Posts |
I have a surplus of N95 masks from the pandemic and they have been fantastic when doing yard-work. My allergies have only gotten worse with age.  That being said, I concur that they work great for blocking the bigger things, but many gaseous aromas still make it to my nostrils.  |
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Pillar of the Community
  United States
8781 Posts |
A lot of interesting comments, thanks! The morning after I posted this, I put them in a 5 gallon bucket and used the snap on lid to seal them. After they dried, they all developed a green tint and I was very wary. I think I have a plan though and will report back after I try it with pics.
-makecents-
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Moderator
United States
189222 Posts |
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After they dried, they all developed a green tint and I was very wary.  Quote:
I think I have a plan though and will report back after I try it with pics.  |
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Moderator
United States
97121 Posts |
can't wait to see what 'project' you plan with these. |
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Pillar of the Community
United States
5785 Posts |
Just seeing this.
That much acetone might be an explosion/fire hazard.
How about soaking in hydrogen peroxide? It would not take long for it to do its job on the mold.
ps. What a fantastic Mom in Law you have.
pss. How did you dry the coins in a sealed container?
Words of encouragement are one of the major food groups.
We need to consume them regularly to thrive and grow.
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Bedrock of the Community
United States
10592 Posts |
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That much acetone might be an explosion/fire hazard. Doesn't even take that much - just like gasoline - the acetone vapors can be ignited by a flame, even a cigarette. I've used acetone in my kitchen for years with no problem - I divorced my wife who couldn't stop her disgusting habit of smoking -  |
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Pillar of the Community
United States
8781 Posts |
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ps. What a fantastic Mom in Law you have. Yes she is, I'm very fortunate! Quote:
pss. How did you dry the coins in a sealed container? Yeah, I did not explain that very well.... I had opened the bank bag and spread them out on paper and with the AC running non stop, they dried overnight. When I checked them out the next morning, they had all developed a green, powdering coating that when you moved them you could see it plume. This made me a little nervous, so I scooped them up and sealed them in a 5 gallon bucket until I have time to mess with them again. -makecents-
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Moderator
Australia
16846 Posts |
It's almost certainly not actual "mold", or anything else biological. Mold doesn't like growing on copper. It's much more likely to be corrosion.
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
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Pillar of the Community
United States
506 Posts |
Quote:
It's almost certainly not actual "mold", or anything else biological. Mold doesn't like growing on copper. It's much more likely to be corrosion. Exactamundo. |
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Pillar of the Community
United States
8781 Posts |
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It's almost certainly not actual "mold", or anything else biological.  I suppose I misspoke. This is something I know less than nothing about, I did not do well in chemistry. Regardless, what was floating around in the air when I moved the dried cents definitely got my attention, so I sealed them up until I have time to clean them up. Where they are now dry, I would think this would slow the corrosion process? It won't be but a week or so until I get back to them. -makecents-
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Pillar of the Community
United States
506 Posts |
More than once in my life, I have sat beside a large pile of coins and smelled a distinct odor from them. Not biological, but clearly not fresh, clean air either.
Old coins have a scent. It never worried me.
I've also owned a mass of coins that had been subjected to environmental degradation...like on the floorboard of a car for a decade, including rainfall and other things we wouldn't choose to expose coins to, LOL.
I first washed those in water and detergent. Then, I went through them and kept the ones that weren't totally encrusted. My rejects were rolled and given to my CU, sincerely sorry for the poor sots that bought them from the bank.
No doubt, some of my rejects raised questions, but at least they were out of my hands, LOL
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Posted 06/23/2026 2:38 pm
