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The first way is ammonia patination. To do this, take a plastic container. Put a couple of paper or ordinary towels at the bottom. Moisten them with ammonia. Then sprinkle with large table salt.

Put the copper object on the product and sprinkle it with salt. And then cover with a few more towels, and pour it all with ammonia.

The shelf life of the product in the container depends on the desired result. The first changes will be noticeable after two minutes. But the noble green color will be clearly visible only after 2 days. Then you should rinse the product and dry it.

The second way is baking. It is necessary to take 5 parts of vinegar for 1 part of salt and mix them. The amount of solution depends on the size of the product. It is necessary that the metal is completely immersed in the liquid. It takes an hour to keep the product in solution. After the time has elapsed, take it out and put it on a baking sheet, which must first be covered with foil.

After that, bake the product at a temperature of 200 C degrees to a greenish color. Then you need to dip the metal into the solution again and hold it there for an hour. Repeat the baking. This procedure should be repeated 3 times, if you need a deep color or 2 times, if you need a touch of antiquity. After baking wash and dry the metal.

The third way is patination with the help of an egg. It should be hard-boiled, cleaned and cut in half. Put the halves of the egg and the product that needs patination, into the cellophane bag and tie it. The egg emits sulfur dioxide, which, when reacted with copper, gives a green coating to the product. It is necessary to keep the egg and the product in the bag until the result is satisfactory. Usually it takes 1-2 days.