How to clear coins by yourself? Effective ways and tips

MeansApplicationImportant pointsDisadvantages of the method
Lemon acid In a small ceramic or plastic bowl, dilute citric acid with water. The resulting solution is applied to the coins. The environment is aggressively affecting metals, so watch the reaction of the “home” remedy and, if necessary, turn the coins in the solution. To protect the coins from "caustic" exposure, apply an artificial protective layer of patina to them before cleaning.
Soap solution Children's soap grate on a grater and dissolve the shavings in a small amount of water, stir to the state of a homogeneous mass, in which you put the coins on time. The method using baby soap is gentle. A single exposure is not enough to completely clean the surface of the coins. Repeat "soap baths" for a week, until the result.
Baking soda To restore the former brilliance, immerse the coins in an aqueous solution of sodium bicarbonate. In case of severe contamination, process the obverse and the reverse with “soda gruel” by mixing the alkali with ammonia or toothpaste. If the product is cooked in excess, store it in a tight-fitting container. Purification of coins with baking soda is not a mechanical way of dealing with dirt and oxides. This is a chemical reaction where soda acts as an alkali.
Coca-Cola drink Sweet soda is an excellent cleaner for chrome-plated surfaces. Put the coins in a container with a drink, and leave it near a heater or other heat source. Solves minor problems. More difficult situations require radical cleaning methods. Phosphoric acid contained in the drink will remove impurities from the metal surface. It will take a week to make the old coins look shiny.
"Oil" boiling For the procedure of boiling coins need vegetable or liquid paraffin. They are heated in a water bath. Using a container or a metal sieve, lower the coins into the container for 10 minutes.Then they are washed and boiled again, but in distilled water. The method is not suitable for cleaning silver coins, but will perfectly cope with contaminants on bronze, iron and other alloys. Watch the process of “boiling” of coins, as the oils remove not only oxides, but also a protective layer of patina.
Electrolysis is an indispensable assistant "You will need: a power supply unit with a capacity of 6-12 V, clips attached to the source of electricity, a metal" conductor ", glass or ceramic dishes, a solution of salt mixed with water in the proportions of 1 sl. Per 1 l.
Clips attach as follows: "minus" to the coin, "plus" to the conductor. Put them in a container with saline. Rinse and dry the “bathed” coin. "
Using the technique, follow the safety rules. Preliminary make a trial cleaning of a regular coin in order not to spoil the collection copy. The use of electrolysis at home requires practical experience with electricity.

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