The color of lead vinegar
The color of lead vinegar is related to the change of various things. In ancient times, Fang family often used this as a way to test things. Lead vinegar, made of lead and vinegar, has a unique nature.

Looking at its color change, all kinds of substances can be observed. In gold stones and the like, put lead vinegar in them, and look at them less. If the color is slightly red, this gold stone or genus containing copper and iron, because lead vinegar and copper and iron are sensitive, the color changes.

Things of grass and trees, soaked in lead vinegar, if the color turns brown and yellow, the grass and trees may have astringent properties. The quality of lead vinegar can attract the inherent nature of plants and trees to appear in color.

As for all kinds of solutions, drop a little lead vinegar. If the color becomes darker, it can be seen that the solution may contain sulfur and mercury. When lead vinegar meets sulfur and mercury, there must be signs of color change.

The color of lead vinegar, like a mirror, can reveal the concealment of matter, which is a good way to see things. Those who practice this technique need to be meticulous and observe carefully to obtain the authenticity of things.