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Has Cleaning Messed Up My Half Dollar?

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Pillar of the Community
United States
580 Posts
 Posted 10/02/2008  6:08 pm  Show Profile   Bookmark this reply Add mklpatrick to your friends list
But I heard that if you put a cockroach in a glass of Coke, sealed it up and left it overnight that the next morning it will have completely dissolved it. You can also perform a car battery protection service by pouring Coke on your battery terminals. Also, I am drinking one right now. Scary, no?

Given all that, I can't imagine soaking a COIN in it. YIKES!
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United States
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 Posted 10/02/2008  11:18 pm  Show Profile   Bookmark this reply Add desertgem to your friends list

Why is it always Coke mentioned? The pH of coke is almost exactly the same as Pepsi when we measured it in a lab experiment. Salsa has a ph of about 3.5, so maybe a salsa dip for that morgan

Jim
New Member
United States
9 Posts
 Posted 10/03/2008  03:52 am  Show Profile   Bookmark this reply Add J_Gutierrez01 to your friends list
Mmmmm...salsa
Valued Member
Nauru
65 Posts
 Posted 10/03/2008  04:07 am  Show Profile   Bookmark this reply Add Davidson to your friends list
Hello wwhitman

Hoping to get a shiny effect and no I don't have pics before cleaning it. I really liked that coin...well second to my 1942 mercury twins (1 with 'D' and the other no mint mark). That was why? Like spiltmilk eh?
Valued Member
Nauru
65 Posts
 Posted 10/03/2008  04:11 am  Show Profile   Bookmark this reply Add Davidson to your friends list
Before anybody asks... no I haven't used that on my twins.
Valued Member
Nauru
65 Posts
 Posted 10/03/2008  04:15 am  Show Profile   Bookmark this reply Add Davidson to your friends list
Hello justcarl,

Yep, the dark portions were the result of my idiotic action.The coin wasn't like that before.
Pillar of the Community
United States
1415 Posts
 Posted 10/03/2008  08:29 am  Show Profile   Bookmark this reply Add wwhitman to your friends list
I haven't tried - but I think motor oil would be the fluid of choice. It has detergents to dissolve the carbon deposits and is none abrasive. I have a 1801 cent I've been thinking about soaking.
Anybody ever try it - a good 10W30
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United States
188770 Posts
 Posted 10/03/2008  11:32 am  Show Profile   Bookmark this reply Add jbuck to your friends list

Quote:
Why is it always Coke mentioned? The pH of coke is almost exactly the same as Pepsi when we measured it in a lab experiment.
For the record, I prefer Pepsi.

The problem is, Coke is a Genericized Trademark
Pillar of the Community
United States
580 Posts
 Posted 10/03/2008  11:46 am  Show Profile   Bookmark this reply Add mklpatrick to your friends list
Right, JBuck. Also, in the south, Coke is used interchangeably with any soda. If I said I was gonna get a Coke from the soda machine, and I came back with a Dr. Pepper, people from the north would assume that the machine was out of Coke. People from the south wouldn't think anything of it and just assume that I preferred to have a Dr. Pepper over a Coca Cola at that time.
Pillar of the Community
United States
860 Posts
 Posted 10/03/2008  12:15 pm  Show Profile   Bookmark this reply Add desertgem to your friends list
WWhitman, "carbon spots" ,as I understand it, on coins is oxidation of the metal rather than a deposit of actual carbon. Perhaps it starts from organic material such as saliva ( from a cough or speaking) or skin oils, but once it is apparent, it is actually bonded to the metal. So it can't be dissolved without affecting the underlying metal. That said, experiments are always enlightening

Jim
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 Posted 10/03/2008  2:10 pm  Show Profile   Bookmark this reply Add wwhitman to your friends list
Ya know Jim - you be right!!
I think I will not clean my 1801 - I'll change my car's oil instead
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 Posted 10/03/2008  4:52 pm  Show Profile   Bookmark this reply Add jbuck to your friends list

Quote:
Right, JBuck. Also, in the south, Coke is used interchangeably with any soda. If I said I was gonna get a Coke from the soda machine, and I came back with a Dr. Pepper, people from the north would assume that the machine was out of Coke. People from the south wouldn't think anything of it and just assume that I preferred to have a Dr. Pepper over a Coca Cola at that time.
You are so correct! I stump people all the time when I refer to soda or pop!
Pillar of the Community
United States
5318 Posts
 Posted 10/03/2008  8:09 pm  Show Profile   Bookmark this reply Add KurtS to your friends list
Just a helpful tip: diet coke + mentos + coin = bad combination.
New Member
United States
34 Posts
 Posted 10/03/2008  8:52 pm  Show Profile   Bookmark this reply Add spotco2 to your friends list
Quick story about Coca Cola syrup.

I used to work on forlifts for a Coke syrup plant. It was everywhere and it was fugly to remove.

If it got on the front axles of forklifts, they would literally stop in the isles because it would seize up the brake drums. The only way we could remove them was cutting them off with a torch.

I've seen coke syrup soak an engine a few times and sieze up bearings in alternators and water pumps. I've seen it seize electric motor bearings.

I've also seen regular soda in a different plant (can plant) that would eat away parts of machines and everything else metal that got soaked that was regular steel.

No way would I ever drink any soda after seeing what it does to metal.

Drop a nail in a bottle of coke, put the cap back on and let it sit for a couple of weeks. Pour out the coke and see what kind of damage it did.

Really.
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United States
10982 Posts
 Posted 10/03/2008  9:39 pm  Show Profile   Check BH1964's eBay Listings Bookmark this reply Add BH1964 to your friends list
Since it's a common date, a dip in E-Z-Est should render it blast white with no drop in value.

I've got a couple AU Walkers that I wanted "shiny" for my collection so I dipped them in E-Z-Est and it works great.

Don't ever plan to slab a coin after dipping and don't ever dip a coin with significant numismatic value.
ANA #R3154474
Edited by BH1964
10/03/2008 9:40 pm
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