- Clean the copper with lemon juice
- Clean the copper with flour, vinegar and salt
- Clean the copper with vinegar or soda crystals
- Clean copper with ketchup, oxalic acid or aluminum
Copper objects add cachet to interior decorations, whether in the kitchen or in the living room, but on condition that they are shiny clean. Over time, dust and various stains tarnish the shiny appearance of copper. Some tips are effective to offer him an adapted maintenance.
Clean the copper with lemon juice
The lemon juice is particularly effective for cleaning metals in general. Copper, under any force, does not escape this rule. Thanks to the properties of lemon juice, cleaning copper objects is like child's play. Indeed, it is not necessary to rub until exhaustion to obtain good results. The acidity of the lemon does all the work by attacking the oxidized parts. To clean this material with lemon, proceed as follows:
- Extract the juice of two to three lemons depending on the surface to be cleaned;
- Take the juice with a brush and brush it with copper;
- Let the lemon act for a few moments;
- Rinse with warm water;
- Dry by wiping with a warm cloth.
In case the copper object is very dirty, the action of lemon juice can be optimized by adding baking soda. The paste obtained is used to scrub the copper to restore its luster.
Lemon juice cleans while making all the shine copper. It is also possible to apply lemon without using a brush. In this case, simply cut the lemon in half and rub the flesh on the copper. The result is quite fast if the signs of oxidation are slight. On the other hand, the operation can be repeated if the spots are persistent.
Clean the copper with flour, vinegar and salt
This trick with vinegar, salt and flour is particularly effective for make the copper shine. The necessary ingredients are:
- A cup of flour;
- A cup of white vinegar;
- Half a cup of table salt.
The steps to clean the copper with this mixture are as follows:
- Start by thoroughly mixing all the ingredients;
- Apply the paste obtained on the copper object;
- Rub with a soft bristle brush or clean non-abrasive cloth;
- Rinse with warm water, then dry with a microfiber cloth or woolen cloth.
Salt is effective for shining copper objects. Moreover, the action of salt and lemon can be combined to obtain a better result. It is thus necessary to mix the juice of half a lemon with a little fine salt. Stir the mixture, then apply a thick layer over the entire surface of the copper. Leave on for about 2 minutes before rinsing with hot water. Then dry with a soft, clean and dry cloth. This trick can be used for periodic cleaning of copper or to remove a specific spot on an object.
Clean the copper with vinegar or soda crystals
White vinegar is very effective at cleaning metal objects while being environmentally friendly and accessible at a lower cost. It is mixed with salt to obtain a better result. To clean a small copper object, you must:
- Heat 1 liter of white vinegar in a saucepan;
- Add a handful of coarse salt and mix to dissolve;
- Immerse the copper object in the hot mixture;
- Leave on for a few minutes and rub the most stubborn stains with a brush;
- Rinse with warm water, then wipe dry with a soft cloth.
This technique is effective for shining copper objects, even the most tarnished. For bulky items that can not be plunged into a saucepan, it is possible to rub them with a cloth soaked in vinegar and sprinkled with salt. After rubbing, rinse thoroughly with water and dry with a clean, dry cloth.
Soda crystals are also effective in eliminating copper oxidation and restoring its brilliance. The steps to clean the copper with soda crystals are as follows:
- Boil 2 liters of water;
- Add 4 tablespoons of soda crystals;
- Mix to dissolve and immerse the oxidized copper object in this solution;
- Wait a few minutes before rinsing and drying with a microfiber cloth.
Clean copper with ketchup, oxalic acid or aluminum
The ketchup is effective for cleaning oxidized copper. However, this method is only suitable for small areas. To clean a large copper object, it is best to refer to the other solutions listed above. To clean the copper with ketchup, the steps are as follows:
- Apply a thin layer of ketchup on the surface to shine;
- Wait a few minutes before rubbing vigorously with a non-abrasive sponge;
- Then rinse the object with clean water.
Sulphamic acid is another product commonly used to refurbish almost leather items. Be careful, however, because only those who are entirely constituted support this type of treatment. Indeed, other metals may be sensitive to sulfamic acid. Another important point is that all the necessary precautions (wearing gloves and glasses) should be taken when handling this chemical compound. Then:
- Prepare the solution by dissolving the sulfamic acid in the water. The proportions are indicated on the instructions, to be scrupulously respected.
- Then dip the pure copper object into the solution.
- Remove the object when the solution no longer produces bubbles.
- Rinse thoroughly with clean water.
- Let the copper object dry in the open air and in a cool place.
Salt and aluminum are also effective in cleaning copper. To do this:
- Place a sheet of aluminum foil in a large bowl.
- Add hot water to the bowl and table salt.
- Completely immerse the copper object in this solution. He must touch aluminum!
- Wait a few minutes before removing it.
- It only remains to scrub the copper with a soft cloth to remove the oxidized parts.
Attention: Decorative objects made of copper coated with varnish must not be rubbed. To clean them, washing with soapy water is usually sufficient. Indeed, their protective coating would not resist polishing, even light.
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