Question to the community - is it worth making a cleanup report?

AleFF

Jr. Member
Dec 11, 2016
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Good afternoon.
I am engaged in creating collages on a historical subject and to me often get objects in a very deplorable state. I can not say that I'm a great specialist, but I already have some experience in cleaning metal objects.
Now I have a few copper coins that have stuck together into a single piece. I am ready to make a report on how to separate them into separate coins and clean them from the patina.
Just want to note that my cleaning methods are not academic - their goal is to quickly and effectively lead the coins to the state of pure metal. In this case, the metal is completely cleared of the patina. I use cheap and affordable methods - electrolysis and acids. If I need to return the patina, then I use the formulations containing sulfur.
Is it worth doing such a report or is this subject not interesting?
If the community finds the topic interesting - from Monday I will start to deal with these coins and ready to make a photo report.
 

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AleFF

AleFF

Jr. Member
Dec 11, 2016
27
16
Donetsk
Primary Interest:
All Treasure Hunting
I ask to close the topic as useless
 

Tpmetal

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Jan 4, 2017
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poor coins.....hope they were not of any value before, because they certainly are not now.
 

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AleFF

AleFF

Jr. Member
Dec 11, 2016
27
16
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Primary Interest:
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111.jpg

:laughing7:
such coins in my land go to scrap metal 8) I'm trying to give them a chance for a second life.
 

Tpmetal

Silver Member
Jan 4, 2017
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View attachment 1550191

:laughing7:
such coins in my land go to scrap metal 8) I'm trying to give them a chance for a second life.

For coppers and bronze you would be surprised what a distilled water soak will do. Change water daily, can take up to a few weeks. either way I would be still interested to see what the end result is no matter what process you use.
 

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AleFF

AleFF

Jr. Member
Dec 11, 2016
27
16
Donetsk
Primary Interest:
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For coppers and bronze you would be surprised what a distilled water soak will do. Change water daily, can take up to a few weeks. either way I would be still interested to see what the end result is no matter what process you use.

The method with distilled water, which you described, works great, but there are two drawbacks. It is necessary to spend from 2 weeks to a couple of months to remove really large oxides. And not all oxides on copper can be removed simply by water. Next, you need to work as a scraper. In fact, you can spend on a coin for a couple of months. And now imagine, when I have more than 300 Polish coins of 16хх years, the price of which in our market is about 15 cents.

as a result of "my" method is obtained as in the photo (it was and has become).
Of course, it should be noted that with the jagged coins such a barbarous method should not be used. I'm talking only about the fast, cheap and mass method of cleaning metal for a collage.

IMG_20180213_173512.jpg
 

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AleFF

AleFF

Jr. Member
Dec 11, 2016
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I forgot to mention that it is not difficult to return the patina to the cleared coin.
 

Tpmetal

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Jan 4, 2017
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They turned out pretty well. I never have good luck returning a patina, it always looks fake to me. Usually lacking the subtleties that ground content, positioning, and time adds to the patina. Maybe I just suck at it though. I use a stereo microscope and distilled water for anything of interest. I understand the problem of trying to clean masses of coins and objects. I still haven't come up with a method I truly like. Ive tried everything from using temperature differences, electrolysis, hydrogen peroxide and acid dips, but I'm still not satisfied. What methods have you tried? anything new or fun i might not have heard of?
 

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AleFF

AleFF

Jr. Member
Dec 11, 2016
27
16
Donetsk
Primary Interest:
All Treasure Hunting
They turned out pretty well. I never have good luck returning a patina, it always looks fake to me. Usually lacking the subtleties that ground content, positioning, and time adds to the patina. Maybe I just suck at it though.
I do not have a universal recipe for patina restoration. I'm a big opponent of fakes and that's why I'm not looking for a recipe for a "unified formula." Usually, I apply patination for products with an objective to give them an old look. For example, brass objects and copper are remarkably dialed in patches of ammonia. In my country, they sell ammonia - as a drug to bring to consciousness a person who has lost consciousness. It costs him less than 30 cents and copper objects placed in his vapors in a closed vessel, get interesting patina options. Everything depends on the purity of the object, impurities to ammonia. For example, ordinary table salt is able to give green growths that "give out" the object just out of the ground.
patina of ammonia turns a gray shade. If you use a variety of ointments based on sulfur, they will give a black tint. And then I'll tell you how an artist to an artist 8))) is a matter of taste in the proportions of their mixing.
I use a stereo microscope and distilled water for anything of interest. I understand the problem of trying to clean masses of coins and objects. I still haven't come up with a method I truly like. Ive tried everything from using temperature differences, electrolysis, hydrogen peroxide and acid dips, but I'm still not satisfied. What methods have you tried? anything new or fun i might not have heard of?
You listed almost all methods known to me 8)
If I can offer you something from the unknown, then no more than the shades of what you listed. For example, instead of acid, you can use table vinegar, lemon (food) acid, coca cola, a cleaner for cleaning plumbing. All these are different acids that can give different effects in cleaning.
Here's an "exotic" way of cleaning the volume in half a bucket of coins from the turnover. To use a microscope for them is meaningless - pour water into the bucket, cleanse the plumbing and mix everything with a brush, put on a drill 8))) 15 minutes and 3 kilograms of coins in a cleaned state.
 

Tpmetal

Silver Member
Jan 4, 2017
4,406
7,506
Western ny
Detector(s) used
equinox 800, Whites mx sport, Garrot carrot, bounty hunter time ranger
Primary Interest:
All Treasure Hunting
Here's an "exotic" way of cleaning the volume in half a bucket of coins from the turnover. To use a microscope for them is meaningless - pour water into the bucket, cleanse the plumbing and mix everything with a brush, put on a drill 8))) 15 minutes and 3 kilograms of coins in a cleaned state.

Haha I once saw a guy peel a bucket full of potatoes like that. Funny stuff, good idea for modern coinage.
 

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