The first one is simply a dab of tooth paste and a soft tooth bush. People would pay up for those. However, I do agree that the amount of copper going down the drain is so minute as to be non-detectable. By my understanding, the first two pictures are before the quarter was dipped, the last two pictures are after the coin was dipped. Vinegar or nic-a-date work without problems.
Acid dating buffalo nickels
Depends on how they're treating your wastewater, not to mention what chases it down the drain. Sap Moderator Australia Posts. The trouble I am running into is the acid keeps on eating the coin. Just too much expense and not the biggest priority compared to other things going on.
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. Depending how bad the micro pits are you may need to do it two or three times. Well, I guess I stand corrected!
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- Nitric acid or a mixture containing it such as dilute aqua regia would probably work best on a cupronickel coin.
- They are still better than dateless coins.
- Generally around twenty seconds, when I first started I was destroying coins.
- In fact you may never see any results of anything.
- Or are they considerd identified year but damaged?
- Exagerating the effects will cause people to not take the warnings seriously.
Heat usually speeds up chemical reactions, therefore the neutralization occurs sooner. Would this work on a Standing Liberty quarter I have that has a completely rubbed off date? 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. The metal that's been squeezed more is slightly less resistant to chemical attack than the surrounding metal, and is dissolved away faster.
Acid Restored Dates - Coin Community Forum
No, create an account now. Ferric chloride is the main chemical in the stuff used to pull dates off of dateless 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. For some, a single whiff of the chlorine gas coming off of muratic acid is enough to require hospitalization.
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 most instances the coin is basically ruined but as already pointed out, an acid restored date is better than no date. What sort of acid do they use?
Those coins can be identified by the bottom folds in Ms. Helps your found date stand out. For those without experience in chemical safety, dating the best recommendation is to only work with small quantities after reading up on the chemical.
Don't use what you have been using. Then, I just waited a few hours. Besides, I'm not sure how well it stays neutralized. When I am done, top free dating app for I just rinse under the sink and rub with my finger over the treated spot. You can even use Nic-A-Date in the cote.
Acid Dating Junk US Silver Yes it CAN be Done - Coin Community Forum
Coin authentication is not always as simple as it might seem. Just because when dissolved in water, the solution is acidic does not make it an acid. Randy Abercrombie likes this.
How to Acid Date Buffalo Nickels
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. Nitric, Aqua Regia, Hydrochloric will not dissolve your skin on contact. Once used, are there legit dating the nickel is considered damaged.
The technique should work on any die-struck or compressed metal object. If it ain't broke, don't fix it. Thank you for the replies. 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.
Aqua Regia will dissolve both Gold and Platinum. Our coin forum is completely free! 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. If you can aquire some Nitric or HydroChloric Acids a small amount should work.
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Should work on junk silver. 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. Biggest reason for the use of the acid date nickels is it is much less expensive to obtain more valuable coins. My method is kinda long now but my coins I did last night are still looking good today.
Read the entire Material Safety Data Sheet before buying the chemical. Please understand this though, these chemicals can cause chemical burns on contact. Draft saved Draft deleted. What ever liquid wax you use make sure it is carnauba not a chemical wax, whats a good age it just don't work well.
Acid dating buffalo nickels
If improperly mixed you may not want to see the results. White vinegar is a lot less expensive than nic-a-date. People would pay up for those Report this Post to the Staff. However, they are rather dangerous to use in concentrated forms. Well, but ferric chloride the active ingredient in Nic-a-date is an acid, and also an oxidant.
There are numerous Acids that would do that. If you want to put together the set you described use a product called Nic-A-Date. 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. Report this Post to the Staff. But tell me, you say before and after pictures, but these look more like obverse and reverse pictures.
- 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.
- After you get the coin looking how you want it, finish it with another small cote of wax.
- Skin and Bone dissolves Gold will dissolve Mixing is dangerous Do not add water and the result is to make a.
- How does the acid bring up a date that has been worn off?