"On the Things of Hydrofluoric Acid"

There is a thing in the world, called hydrofluoric acid, which has unique properties and is completely different from ordinary things.

Hydrofluoric acid has the properties of strong acids, but it is different. Its effect on various things is particularly wonderful. When encountering siliceous things, it is like a spirit, and it can react with them. Silicon is always present in stone sand. When hydrofluoric acid is present, the stone sand gradually melts, just like ice dissolves in warm spring.

Its related terms also have profound meanings. "Hydrofluoride root" is an ion that is generated for its dissociation. It plays a crucial role in many reactions. The state of this ion affects the back and rate of the reaction. There is also "hydrogen fluoride", which is the source of hydrofluoric acid. When it is gaseous, it is colorless and has a stinging smell. If you don't smell it carefully, you will feel discomfort and hurt your mouth, nose and throat.

Preparation of hydrofluoric acid requires caution. Fluorite and sulfuric acid are often used for co-heating. However, this process requires strict control of conditions. If there is a slight difference, there may be a disaster. Because hydrofluoric acid is highly corrosive, it touches the skin, causing unbearable pain, and the injury is difficult to heal. When using it, you should also pay great attention. In the field of chemical industry, it is often used to etch glass. The craftsman holds hydrofluoric acid, and on the glass, he moves the pen like a god, and the pattern and text are instantly formed. Although the quality of glass is strong, when it encounters hydrofluoric acid, it is as soft as mud.

However, the risk of this acid cannot be ignored. When storing, it must be filled with special utensils, because it can erode glass and ceramics, only plastic and lead utensils can be stored.

In general, although hydrofluoric acid is of great use in various things in industry, it is also very dangerous. Users must understand its nature and be careful about its methods, so that they can avoid disasters and obtain blessings and make good use of its capabilities.