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September 10, 2016 23:02

How to clean copper coins improvised means

ancient copper coins have a unique beauty, but only until they darken.But this deficiency can be corrected by using the means at hand.And it will not hurt the metal.So, when the question arises how to clean copper coins, you need to go straight to the kitchen!To begin to stock it with salt, flour, vinegar, lemon and hot water.Then go to the bathroom, grab there toothpaste and brush.More to find an old newspaper.And from the first aid kit to take the ammonia solution.Now you are armed and ready to ensure that the clean up old copper coin.

cleaning process

Before you clean the copper old coins need to know that for the oxide layer on the coin.Harmful for copperhead copper coins.It is poisonous oxide layer reacts with oxygen in the air.The result is a strong oxidation are difficult to remove.

addition is a layer of oxide, which is called patina.The peculiarity of this layer is that it does not spoil the coin, but instead it protects against the adverse influence of the gases in the air.Patina is formed

at a long finding coins in the ground and in the air.Patina in any case should not be removed with a coin.Its presence indicates authenticity.

Before immediate cleaning of coins from the oxide to be removed from it a layer of earth and mud.For this coin is washed with soap and water and wipe dry.

So finally clean the coins in the following ways:

  1. Lemon cut in half.In the flesh to stick a coin and about 15 minutes to get it, and clean the brush.Rinse in cold water and wipe dry with a soft cloth.
  2. large salt Mix the flour and add a drop of vinegar.This mixture rub a coin and let it sit for a while.Rinse under running water.Wipe dry.(Copper sure to always wipe dry, otherwise dark spots can be formed at once).
  3. In boiling water, add the vinegar.The concentration should not exceed 25%.Add a solution of 2 tablespoons of salt and drop to a coin.When the solution has cooled, carefully get a coin and clean with a toothbrush.Rinse with clean water and wipe dry with a cloth.When cleaning a few coins at the same time, be careful that they do not touch each other.Be careful when using this method, so as not to poison vapors sting.
  4. tooth powder or whitening toothpaste wet rub a coin.Rub should be strong and active.Rinse the coin and the vote result.If the coin is not enough cleaned, then repeat the procedure all over again.
  5. You can use the tool for cleaning jewelry.It can be purchased at a jewelry store.To clear the old copper coin simply dip it in the solution for a few minutes and then wipe with a cloth.
  6. If you fear harm rarity, then clean the copper old coin you are in the jewelry workshop, using special tools.Also, there will be able to polish them and even apply a special coating that prevents the darkening of copper.
  7. not to ask the question every time than to clean copper coins you can resort to the prevention of browning.To do this, rub the coin of old crumpled paper.

There are also some methods for cleaning coins depending on what is covered by the coin how compound.

The clean coins covered with white bloom?

White indicates an impurity in copper zinc ligatures.In this case, the most gentle cleaning method is distilled water.The coin was put into it for a couple of days.Perhaps copperhead go green flakes, then it can be removed with a toothpick or a toothbrush with soft bristles.

The clear black and green from the surface of a copper coin?

coin is rubbed with a cotton swab dipped in liquid ammonia, and then rinsed in a soap solution.Ammonia reacts with copper compounds which gave green and black scurf, the result is a water-soluble complex which is easily washed off.