Cleaning copper, silver, copper-nickel, bronze coins at home
Cleaning coins - The process by which the coins are beginning to look better. But this ideal. In fact when cleaning the main thing is not to harm, especially of rare ancient coins. Sometimes after cleaning the coin falls in price at times, and it happens that ceases to be a coin - is losing terrain and becomes a metal circle. Therefore, if you are unsure, it is better to consult a professional.
If you still have a desire to try to clean a coin at home the other it is necessary to:
1. Respond to the question: Is cleaning required?
Coins are often ugly oxides, but when cleaning benefits of their removal can not be compared with the damage that will be caused. Here are a couple of examples where it is not necessary to clean.
2. It is necessary to determine the material of the coin.
Bronze, copper, silver, nickel, brass purified by various means and methods. For example, ammonium chloride and citric acid cleans silver beautifully and completely destroy the copper. Therefore it is necessary to consider not clean coins as such, and as applied to the material:
3. Realistically assess what miracle did not happen.
It does not happen that before cleaning we strongly oxidized damaged coin (so-called "kakalik"), and after washing it a few minutes in the "magic solution" to get the coin conservation "AC" and to stamp shine.
4. Do not overdo it.
Better not to clean than perechistit since you can always repeat, and impossible to undo.
|These two pennies 1 Paul were pretty spoiled cleaning - opened deep cavities.|