Acid dating silver coins, acid date collectible - numismatic newsnumismatic news

  • Ferric chloride is not an acid.
  • Aqua Regia will dissolve both Gold and Platinum.
  • When I am done, I just rinse under the sink and rub with my finger over the treated spot.

Yes, it can be done, but why? Report this Post to the Staff. For some, a single whiff of the chlorine gas coming off of muratic acid is enough to require hospitalization. If it ain't broke, dating a thai don't fix it.

Acid dating buffalo nickels

Acid Restored Dates - Coin Community Forum
Acid dating silver coins
How to Acid Date Buffalo Nickels

There are numerous Acids that would do that. If you use Aqua Regia, be careful of your wedding band. The technique should work on any die-struck or compressed metal object. Vinegar or nic-a-date work without problems.

Well, but ferric chloride the active ingredient in Nic-a-date is an acid, and also an oxidant. What sort of acid do they use? 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. Should work on junk silver.

Almost every time a day or two later the area I put the acid on has completely destroyed the coin. By my understanding, the first two pictures are before the quarter was dipped, the last two pictures are after the coin was dipped. Coin authentication is not always as simple as it might seem. 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. It's a destructive test to see if your gold jewelry is really gold.

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. Post pictures of your nickels before you put acid on them. After you get the coin looking how you want it, finish it with another small cote of wax. Nitric, Aqua Regia, Hydrochloric will not dissolve your skin on contact.

  1. 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.
  2. No, create an account now.
  3. In fact you may never see any results of anything.
Acid dating silver coins
How To Clean Coins With Muriatic Acid

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

Acid dating silver coins

Thank you for the replies. Please understand this though, these chemicals can cause chemical burns on contact. The metal that's been squeezed more is slightly less resistant to chemical attack than the surrounding metal, dating in clovis nm and is dissolved away faster. Or are they considerd identified year but damaged? Don't use what you have been using.

If you want to put together the set you described use a product called Nic-A-Date. However, I do agree that the amount of copper going down the drain is so minute as to be non-detectable. Would this work on a Standing Liberty quarter I have that has a completely rubbed off date? 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.

Randy Abercrombie likes this. Besides, I'm not sure how well it stays neutralized. Glad you found something that works for you. Granted this was from wear, not acid.

Seal it up and it will get better more natural look over time. For those without experience in chemical safety, the best recommendation is to only work with small quantities after reading up on the chemical. Read the entire Material Safety Data Sheet before buying the chemical.

Ferric chloride is the main chemical in the stuff used to pull dates off of dateless nickels. But if you want to bring the coin Buffalo Nickel! How does the acid bring up a date that has been worn off? So it should not be rinsed into a municipal drain. Draft saved Draft deleted.

Acid date collectible - Numismatic NewsNumismatic News

You can even use Nic-A-Date in the cote. 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. 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. Once used, the nickel is considered damaged. Nitric acid or a mixture containing it such as dilute aqua regia would probably work best on a cupronickel coin.

The trouble I am running into is the acid keeps on eating the coin. If you run into a bad alloyed coin and the acid left stripe marks across the coin. In most instances the coin is basically ruined but as already pointed out, an acid restored date is better than no date. Just too much expense and not the biggest priority compared to other things going on. However, they are rather dangerous to use in concentrated forms.

Acid dating buffalo nickels

Copyright - Coin Community Family- all rights reserved worldwide. Put a dab of the wax on the coin softly work it in with a Q-tip. Vinegar preferentially attacks nickel, since nickel is more chemically active, but it affects both metals.

What you have is a coin with micro pits from the acid making that ghost look. After all, you can still buy root killer pure copper sulfate in any hardware or garden store. What ever liquid wax you use make sure it is carnauba not a chemical wax, it just don't work well. It will restore the date without eating the coin.

The first one is simply a dab of tooth paste and a soft tooth bush. Sap Moderator Australia Posts. It results in the production of free copper ions that are prohibited from waste water in most states and locals, arab christian especially those that obtain tap water from treating upstream disposal.

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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. Depending how bad the micro pits are you may need to do it two or three times. Then, I just waited a few hours. Helps your found date stand out.

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

How To Clean Coins With Muriatic Acid

If you can aquire some Nitric or HydroChloric Acids a small amount should work. Beat to the punch by just carl. Depends on how they're treating your wastewater, hyderabad ladies dating not to mention what chases it down the drain. If improperly mixed you may not want to see the results.

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