Formula of bronze water

When making bronze ornaments, bronze color is often used, and the composition of bronze water is very important. In short, it is sodium sulfide, potassium sulfide, copper sulfate, oxalic acid and other chemical components. This product is a blue liquid. When the workpiece is immersed in the solution, the brass surface will turn black and blue in about 2 minutes, and it will be adjusted according to the color. When the soaking time is 2 minutes, the surface discoloration quality is the best, and better antirust performance can be obtained. If you want to achieve bronze color, you can rub it with scouring pad or sandpaper after completing the above steps, which can achieve the ideal effect.