Acid dating silver coins, how to clean coins with muriatic acid

How To Clean Coins With Muriatic Acid

September 2019

How To Clean Coins With Muriatic Acid

Nitric acid or a mixture containing it such as dilute aqua regia would probably work best on a cupronickel coin. Post pictures of your nickels before you put acid on them. Please understand this though, these chemicals can cause chemical burns on contact.

Acid dating silver coins
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  • Should work on junk silver.
  • The metal that's been squeezed more is slightly less resistant to chemical attack than the surrounding metal, and is dissolved away faster.
  • Well, I guess I stand corrected!
  • Just because when dissolved in water, the solution is acidic does not make it an acid.
  • Those coins can be identified by the bottom folds in Ms.
Acid dating silver coins

Vinegar preferentially attacks nickel, since nickel is more chemically active, but it affects both metals. Seal it up and it will get better more natural look over time. Then, jesus shroud carbon dating I just waited a few hours.

Acid Restored Dates - Coin Community Forum

Skin and Bone dissolves Gold will dissolve Mixing is dangerous Do not add water and the result is to make a. If you can aquire some Nitric or HydroChloric Acids a small amount should work. There are numerous Acids that would do that. However, I do agree that the amount of copper going down the drain is so minute as to be non-detectable. Vinegar or nic-a-date work without problems.

Exagerating the effects will cause people to not take the warnings seriously. After all, you can still buy root killer pure copper sulfate in any hardware or garden store. Ammonia and Sodium Hydroxic do start to dissolve skin on contact it's what gives them a slippery feeling but not as fast as some here are implying.

Aqua Regia is a properly mixed combination of Nitric and Hydrochloric Acids and must be done in a certain sequence and in a certain proportion. Be extremely careful if you are mixing these two chemicals, they create peracetic acid which if the vapors are inhaled can permanantly damage your lungs. Almost every time a day or two later the area I put the acid on has completely destroyed the coin. The way this works on any coin is via a metal etchant, peracetic acid can etch silver but doesn't work as fast as nitric acid does. They are still better than dateless coins.

What you have is a coin with micro pits from the acid making that ghost look. Report this Post to the Staff. If you want to put together the set you described use a product called Nic-A-Date.

Acid date collectible

How to Acid Date Buffalo Nickels

Just too much expense and not the biggest priority compared to other things going on. Granted this was from wear, not acid. Copyright - Coin Community Family- all rights reserved worldwide. Our coin forum is completely free! Well, but ferric chloride the active ingredient in Nic-a-date is an acid, and also an oxidant.

Beat to the punch by just carl. Once used, the nickel is considered damaged. If improperly mixed you may not want to see the results. This will not only educate the user on what precautions to take and how to dispose of the used chemical, illinois state law on but educate the user on what to do if they have an accident.

Acid dating silver coins

It will restore the date without eating the coin. Besides, I'm not sure how well it stays neutralized. By my understanding, the first two pictures are before the quarter was dipped, the last two pictures are after the coin was dipped. It etches both nickel and copper.

Acid date collectible - Numismatic NewsNumismatic News

Acid Dating Junk US Silver Yes it CAN be Done - Coin Community Forum

However, they are rather dangerous to use in concentrated forms. But tell me, you say before and after pictures, but these look more like obverse and reverse pictures. Draft saved Draft deleted. Ferric chloride is the main chemical in the stuff used to pull dates off of dateless nickels. Or are they considerd identified year but damaged?

How To Clean Coins With Muriatic Acid

Generally around twenty seconds, when I first started I was destroying coins. Biggest reason for the use of the acid date nickels is it is much less expensive to obtain more valuable coins. So it should not be rinsed into a municipal drain. Thank you for the replies.

After you get the coin looking how you want it, catalina finish it with another small cote of wax. People would pay up for those Report this Post to the Staff. Why did the person trying to restore the date not dip the whole coin in the acid so the date section didn't look so odd?

Nitric, Aqua Regia, Hydrochloric will not dissolve your skin on contact. For those without experience in chemical safety, matthew kazmierczak dating the best recommendation is to only work with small quantities after reading up on the chemical. It's a destructive test to see if your gold jewelry is really gold.

Acid dating buffalo nickels
How to Acid Date Buffalo Nickels
  1. My method is kinda long now but my coins I did last night are still looking good today.
  2. Shop Coin Community Members on eBay.
  3. The part of the test that distinguishes gold, is that most gold imitations will react to either Hydrochloric or Nitric Acid, whereas gold does not.

Heat usually speeds up chemical reactions, therefore the neutralization occurs sooner. Aqua Regia will dissolve both Gold and Platinum. Glad you found something that works for you. Ferric chloride is not an acid.

The first one is simply a dab of tooth paste and a soft tooth bush. Randy Abercrombie likes this. That's how it can attack copper, which isn't active enough to be attacked by simple acids technically, it won't displace hydrogen the way nickel is.

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