Acid dating silver coins, our pastimes

Well, but ferric chloride the active ingredient in Nic-a-date is an acid, and also an oxidant. It's a destructive test to see if your gold jewelry is really gold. What sort of acid do they use? Once used, the nickel is considered damaged.

White vinegar is a lot less expensive than nic-a-date. You can even use Nic-A-Date in the cote. But if you want to bring the coin Buffalo Nickel! Nic a date is what I am using, baking soda is an idea though, I only keep the acid on for around twenty seconds.

In fact you may never see any results of anything. It etches both nickel and copper. It will restore the date without eating the coin.

Acid date collectible - Numismatic NewsNumismatic News

How does the acid bring up a date that has been worn off? 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. Just because when dissolved in water, the solution is acidic does not make it an acid. Should work on junk silver.

How To Clean Coins With Muriatic Acid

Biggest reason for the use of the acid date nickels is it is much less expensive to obtain more valuable coins. People would pay up for those. Aqua Regia will dissolve both Gold and Platinum.

Randy Abercrombie likes this. Nitric acid or a mixture containing it such as dilute aqua regia would probably work best on a cupronickel coin. No, create an account now. Heat usually speeds up chemical reactions, therefore the neutralization occurs sooner.

How to Acid Date Buffalo Nickels

Gold is interesting because it won't dissolve in Nitric Acid or Hydrochloric Acid, but mix the two acids and they dissolve the gold. Exagerating the effects will cause people to not take the warnings seriously. It is not an acid by definition, it is a copper etchant, ferric chloride. Don't use what you have been using. Helps your found date stand out.

Acid dating buffalo nickels

How To Clean Coins With Muriatic Acid

Just too much expense and not the biggest priority compared to other things going on. But tell me, you say before and after pictures, but these look more like obverse and reverse pictures. How long are you letting it stand on the coin? What ever liquid wax you use make sure it is carnauba not a chemical wax, crystal dating it just don't work well. Let the wax dry then softly buff it off with a cotton ball leaving cote of wax on the coin especially between the letters and date.

When I am done, online best I just rinse under the sink and rub with my finger over the treated spot. The technique should work on any die-struck or compressed metal object. Coin authentication is not always as simple as it might seem. Or are they considerd identified year but damaged?

Acid dating silver coins

Draft saved Draft deleted. 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. Well, I guess I stand corrected! Yes, it can be done, but why?

Depending how bad the micro pits are you may need to do it two or three times. To bring that Buffalo back to life and a more natural look I use Mothers Brazilian car cleaner wax liquid not paste and a few Q-tips and cotton balls. Put a dab of the wax on the coin softly work it in with a Q-tip. For some, free online europe dating site a single whiff of the chlorine gas coming off of muratic acid is enough to require hospitalization. Beat to the punch by just carl.

Acid dating buffalo nickels
Acid Restored Dates - Coin Community Forum

What you have is a coin with micro pits from the acid making that ghost look. So it should not be rinsed into a municipal drain. Besides, I'm not sure how well it stays neutralized. If you want to put together the set you described use a product called Nic-A-Date. If improperly mixed you may not want to see the results.

Acid date collectible

Acid Dating Junk US Silver Yes it CAN be Done - Coin Community Forum
  1. The first one is simply a dab of tooth paste and a soft tooth bush.
  2. The trouble I am running into is the acid keeps on eating the coin.
  3. Our coin forum is completely free!

There are numerous Acids that would do that. It results in the production of free copper ions that are prohibited from waste water in most states and locals, especially those that obtain tap water from treating upstream disposal. This will not only educate the user on what precautions to take and how to dispose of the used chemical, but educate the user on what to do if they have an accident. Whatever acid you are using needs to be neutralized try baking soda in wqter and I do not mean to scrub it and then rinse with running water. The metal that's been squeezed more is slightly less resistant to chemical attack than the surrounding metal, and is dissolved away faster.

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. Those coins can be identified by the bottom folds in Ms. Generally around twenty seconds, when I first started I was destroying coins.

For those without experience in chemical safety, the best recommendation is to only work with small quantities after reading up on the chemical. Sap Moderator Australia Posts. Nitric, Aqua Regia, Hydrochloric will not dissolve your skin on contact. Thank you for the replies.

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Acid dating silver coins

How to Acid Date Buffalo Nickels

Acid dating silver coins

Report this Post to the Staff. If you can aquire some Nitric or HydroChloric Acids a small amount should work. Ferric chloride is not an acid.

  • They are still better than dateless coins.
  • 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.
  • 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?
  • However, they are rather dangerous to use in concentrated forms.
  • However, I do agree that the amount of copper going down the drain is so minute as to be non-detectable.

Glad you found something that works for you. Depends on how they're treating your wastewater, not to mention what chases it down the drain. 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.

Acid dating buffalo nickels

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