A kilogram of cinnabar can contain 500 grams of water.
Water stealing process is a traditional Chinese medicine term, which is a treatment method of traditional Chinese medicine. This is a method of preparing extremely fine powders of medicinal materials. It takes advantage of the different suspension properties of coarse and fine powders in water to grind water-insoluble medicinal materials, such as minerals, shellfish and other medicines, with water. The method of preparing an extremely fine powder by repeated grinding is called water robbing method.
The operation method of Shuifei is to properly crush the medicine, put it in a mortar or other container, add an appropriate amount of water, grind it into a paste, add more water and stir, the large particles will flow, and immediately pour the suspension, grindRemove the large deposited particles again, repeat this operation until it is fine, and finally discard the chargers which cannot be confused. Mix the suspensions poured before and after and let it sit. After settling, pour the water over it and grind the dry sediment into a very fine powder before it can be called water cinnabar.