| Article number: | 88062 |
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A patina recipe using potassium permanganate typically involves applying a diluted solution of potassium permanganate to metals such as brass or bronze. This can produce a range of colors from browns to blacks, depending on the concentration of the solution and the type of metal.
To create the patina solution, you would dissolve a small amount of potassium permanganate in water. The exact ratio can vary, but a starting point could be around a teaspoon of potassium permanganate per liter of water. This solution is then applied to the clean surface of the metal, which can be done using a brush or spray. The reaction time can be immediate or may require a few minutes.
After achieving the desired patina, the metal is typically rinsed with clean water and neutralized to stop the reaction. Safety precautions are important when handling potassium permanganate, including the use of gloves and goggles and working in a well-ventilated area.