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 Replies: 25 / Views: 3,997 |
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Pillar of the Community
United States
1476 Posts |
I my self have been looking for the older Glass petri dishes with Glass covers.
Don't know how they will work out as far as evaporation is concerned but I like the idea about having more room to 'work' (tooth picks) on the coin while it's still submerged in the liquid.
All I have been able to find so far are the plastic kind so the search continues.
Right now if they need a 'bath' I use a small water glass and cover with a stoneware dish. Kind of hard to see what your doing with these big mitts in the way and the glass diameter so small.
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Bedrock of the Community
United States
10038 Posts |
Quote:
I have been reluctant to use it because I thought it contained additives, possibly from a Super Dave post. Shared thoughts are appreciated The bottles I get from Walmart say 100% pure. You do not want added fragrance or coloring. I also do not believe bottles with these additives are sold as being 100% pure. Somewhere (I could not find it) on this forum was a discussion of purity b/c the 100% acetone I buy had an additive (sorry - its late and I am tired so I am not remembering even the name of the chemical) in it to make it too butter to drink. In that post I did the research and a summary follows: The chemical added is the most bitter chemical known (according to Wikipedia) and is so potent that the amount needed to make something unpalatable is so insignificantly small (and the amount put into the acetone I buy is so insignificantly small) that it is within legit tolerance levels to say the acetone is 100& pure. Getting technical, even very expensive "100% pure" lab grade chemicals have tolerance levels for impurities and yet they are still labeled as "100% pure." I am not sure 100% purity - as an absolute - is possible (maybe with today's tech?... but I would hate to pay for the stuff!) If you can find the post, the numbers are there - its pure. I have been using this acetone now for around 2 years and have had no adverse affects and no residue can be seen when you let it evaporate in a glass dish. How much squash could a Sasquatch squash if a Sasquatch would squash squash? Download and read: Grading the graders Costly TPG ineptitude and No FG Kennedy halveshttps://ln5.sync.com/dl/7ca91bdd0/w...i3b-rbj9fir2 |
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Pillar of the Community
United States
1314 Posts |
Last check, two days ago, Wal*Mart, nail polish remover, %1.47 per 10 Oz. Still cheaper than paint department.
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Pillar of the Community
United States
1314 Posts |
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Pillar of the Community
Canada
598 Posts |
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I my self have been looking for the older Glass petri dishes with Glass covers... All I have been able to find so far are the plastic kind so the search continues...
Dar I have found a few old wind up alarm clocks with glass faces... = my petri dishes. A small square of glass can be had easily enough... or is as near as a small picture frame  |
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Bedrock of the Community
United States
20753 Posts |
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Last check, two days ago, Wal*Mart, nail polish remover, %1.47 per 10 Oz. Still cheaper than paint department. Nice purchase. The one I just purchased said 6Oz for $2.47. AND although is too says 100% Acetone it also states may also contain other ingredients. HMMM. Wonder what those are. In the paint aisle they have quarts of the stuff for $4.25. |
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Pillar of the Community
United States
1314 Posts |
I've been trying to test my old supply for purity after use. I supposed 1/2 oz. in a shot glass should result in some particles, residue or film. Unfortunately, after 4 hours, it hasn't evaporated. Either the stuff is very severely contaminated, or I need to put the shot glass in a warmer spot.
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Valued Member
Canada
115 Posts |
I know that everywhere you look it says do not clean coin! but would it be considered safe to use just water and a soft cloth to remove dust from a coin? I have a 1912 $5 Gold coin that hasn't been kept in capsule or nothing. I was wondering if it would hurt it to be passed under water for a little refresh...
Let me know what you guys think..
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Bedrock of the Community
United States
19963 Posts |
Distilled water is fine, NEVER use a dry "soft cloth" on a coin. It will scratch it, especially gold. If you just have dust, blow it off with canned air or give a quick rinse with acetone.
Edited by BadThad
05/06/2014 3:45 pm
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Pillar of the Community
United States
1314 Posts |
I tried the Equate Regular Nail polish remover (Enriched with Protein.)
Avoid it like the plague. I may use it to clean car parts, but not coins.
It wouldn't even evaporate?
Back to the paint supplies.
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Pillar of the Community
United States
1314 Posts |
Oh, in case you didn't know, acetone will damage plastic slabs.
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New Member
United States
8 Posts |
I use a hair dryer to dry the coins off
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Valued Member
Canada
115 Posts |
thx for the info, I may try it if I get the courage... anyone knows if there are any places where you could go to get them cleaned professionally?
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Pillar of the Community
United States
1314 Posts |
I think ANACS has a conservancy service. And they will talk to you over the phone. Nicely.
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Bedrock of the Community
United States
19963 Posts |
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Replies: 25 / Views: 3,997 |
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First Page
Posted 04/12/2014 12:47 am
