You will need
- - 10% and 25% aqueous ammonia;
- - Laundry soap;
- - 3% hydrogen peroxide;
- - a piece of flannel or suede;
- - washing powder;
- - drinking soda;
- - kromeshna paste;
- - magnesia.
Grate 1 tablespoon of soap, fill it with ½ Cup hot water and add to the obtained solution of 2 tablespoons of 10% ammonia. Immerse the gold in a soap-alcohol solution for a few hours. Then rinse under running water and wipe dry. Polish with flannel or a piece of suede. Grated soap can be replaced with liquid soap, shower gel, shampoo or dishwashing detergent.
Put a piece of gold of 25% ammonia solution (this solution is sold in pharmacies under the name "aqueous Ammonia 25%"). After 20 minutes, rinse the jewelry and Polish it with a soft cloth. Gold – resistant metal, it is not dissolved in 25% ammonia solution, and the fat coating on the metal under the action of concentrated alcohol disappears. You should not use this method for jewelry with stones, they can become cloudy or change color.
Mix 10% ammonia 3% solution of hydrogen peroxide in the ratio 1:2 and submerge in the mixture, gold jewelry for the night. Capacity cover with a lid to ammonia does not evaporate. Then rinse the gold under water and dry.
In ½ Cup hot water add 1 vial (1 ml) of ammonia, half a teaspoon of washing powder and 2 tablespoons (30 ml) 3% hydrogen peroxide. Put in a container with the prepared solution, gold, close the lid and shake for 5 minutes. Then rinse and Polish the gold.
If the gold has a matte finish, you can clean it with a paste of bicarbonate of sodium bicarbonate (baking soda) and 10% ammonia. The slurry was applied on a soft toothbrush and clean the product. After the scrapers gold should also be washed and dried. Baking soda in the method of cleaning metal can be replaced by iron oxide (crocuses pasta) or magnesia (oxide or magnesium sulfate).