"Potassium Ferrocyanide Test for Copper"

Those who have heard the ancient knowledge of good copper evaluation have their own way. The test of potassium ferrocyanide is the important technique for testing copper.

The party performs the test, takes the observed object, and puts it in a purifier. Use an appropriate amount of potassium ferrocyanide droplets. If there is a specific phenomenon, such as the color turns blue-green, the shape is like a new dye of emerald feathers, or it is now precipitated, similar to the agglomeration of blue sand, it can be known that it contains copper.

When potassium ferrocyanide meets copper, it produces a chemical response. Ferrocyanide root intersects with copper ions, resulting in all kinds of abnormal shapes. This test is also sensitive and accurate, and it is very useful for identifying copper. The craftsmen and sorcerers of the past relied on this technique to distinguish the presence or absence of copper, pure and miscellaneous. People today, who want to know whether copper is in things, can also use this test of potassium ferrocyanide, follow the method, and they will surely gain something.