What is the main use of AMMONIA BIFLUORIDE CRYSTAL?

Ammonium hydrogen fluoride crystals are widely used. In the field of chemical industry, it is often an etchant. Such as etching glass, it can make the glass surface produce beautiful patterns and patterns, just like a craftsman engraves with a knife, making the glass products more beautiful and artistic. The cover is chemically reacted with the silica in the glass, causing the glass surface to be altered and changed.

It is also very useful in metal surface treatment. It can remove oxides and impurities from the metal surface, making the metal surface clean and smooth, which is conducive to subsequent electroplating, painting and other processes, making the coating or coating more firmly combined with the metal substrate, enhancing the protection and decorative properties of metal products, just like metal with strong and beautiful clothes.

In the metallurgical industry, it can be used as a flux. When smelting ore, reducing the melting point of ore, promoting the separation of metal and gangue, and improving the efficiency of metal extraction seem to be a good servant for metallurgy, making metal refining smoother.

In semiconductor manufacturing, it is also indispensable. Participate in processes such as silicon wafer etching, precisely control the shape and size of the silicon wafer surface, lay the foundation for integrated circuit fabrication, and help the field of microelectronics flourish, such as building exquisite structures for microchips. In short, ammonium hydrogen fluoride crystals play an important role in various industrial fields, contributing to industrial manufacturing and promoting its continuous progress.

What are the physical and chemical properties of AMMONIA BIFLUORIDE CRYSTAL

Ammonium hydrogen fluoride crystal, that is, ammonium hydrogen fluoride crystal, has the following physical and chemical properties:

This substance is colorless and transparent orthorhombic crystal system, with a slightly sour taste. Its properties are quite active, and it decomposes when heated, releasing hydrogen fluoride gas. It also decomposes in hot water, soluble in cold water and alcohol, and slightly soluble in ammonia water.

In terms of its chemical properties, it is acidic. In case of acid, it will decompose and release highly toxic hydrogen fluoride gas, and react with bases to generate corresponding fluoride and release ammonia.

In terms of its physical properties, its melting point is about 125.6 ° C, and its boiling point can reach 240 ° C. The appearance of the crystal is often white powder or flake, with hygroscopicity, and it is easy to deliquescent in air.

Special attention should be paid to the fact that ammonium hydrogen fluoride is corrosive and has strong irritation and corrosive effects on the skin, eyes, respiratory tract, etc. When using and storing, it is necessary to follow strict safety procedures to prevent harm to personal safety and the environment. It is widely used in industrial fields and is often used in glass etching, metal surface treatment, and many other aspects.

AMMONIA BIFLUORIDE CRYSTAL What are the precautions in storage and transportation

Ammonium hydrogen fluoride crystals, that is, ammonium hydrogen fluoride crystals, need to pay attention to many key matters during storage and transportation.

This crystal is corrosive and can damage the skin and mucous membranes when touched. Therefore, when storing, use corrosion-resistant containers, such as plastic or specific metal containers, tightly sealed to prevent leakage. And should be placed in a dry, cool, well-ventilated place, away from fire and heat sources, because it is easy to decompose when heated, releasing toxic and corrosive gases.

When transporting, it is also necessary to ensure that the container is stable and protected from damage caused by vibration and collision. Vehicles should be equipped with corresponding emergency treatment equipment and protective equipment. Operators must wear protective clothing, protective gloves and goggles to prevent contact injuries.

In addition, this crystal cannot be mixed with alkalis, oxidants, etc., because it will cause chemical reactions and cause danger. And the storage area should be clearly marked to inform others of latent risks. The transportation process must strictly abide by relevant regulations and safety procedures to ensure the safety of personnel and the environment.

What is the production process of AMMONIA BIFLUORIDE CRYSTAL?

Ammonium hydrogen fluoride crystals, that is, ammonium hydrogen fluoride crystals, the method of preparation, although the name was not heard in ancient times, but today's process can be compared to the ancient method.

Pre-preparation raw materials, hydrofluoric acid and ammonia are required. One of the two is a strong acid gas, and the other is an alkaline fog. In a special device, temperature-controlled ammonia is mixed in hydrofluoric acid, just like a dragon entering the abyss. The two blend, and ammonia and hydrofluoric acid combine to form a liquid of ammonium hydrogen fluoride. The key here is that the temperature needs to be adjusted to a suitable temperature. If it is too high, the gas will dissipate, and if it is too low, it will be delayed.

Liquid is ready, which is the method of crystallization. For example, the ancient method of boiling salt and crystallization is to slowly boil it with warm fire, so that the water in the liquid gradually removes and the quality of ammonium hydrogen fluoride gradually gathers. Or use the method of cooling to slowly cool the liquid, so that it can crystallize naturally at a low temperature. Like water in cold winter, it freezes when it is cold.

The newly formed crystal, or contains impurities, needs to be removed by refining. For example, the ancient method of taking gold from sand, using water or a suitable solvent to dissolve the crystal, and then filtering and recrystallization. After repeating this, pure ammonium hydrogen fluoride crystals can be obtained, with clear quality and stable performance. This is the approximate process of making ammonium hydrogen fluoride crystals. Although it is not the original sentence of the ancient law, it can be learned from ancient and modern times.

AMMONIA BIFLUORIDE CRYSTAL HARMENTS TO HUMAN HEALTH

Ammonium hydrogen fluoride crystals, that is, ammonium hydrogen fluoride crystals, this substance is quite harmful to human health.

It is corrosive, and if it touches the skin carelessly, it will cause burns to the skin. Looking at it, the skin may be red, swollen, painful, blisters and other diseases, and in severe cases, it may cause skin tissue necrosis. As recorded in "Tiangong Kaiwu", the appearance of all erosion objects is similar. If it touches the eyes, it is particularly harmful, or damages the cornea, causing vision loss, or even blindness, which is a serious problem for the eyes.

Its smell is pungent, and if inhaled, it can irritate the respiratory tract. Light cases cause cough, asthma, sore throat, and severe cases may cause respiratory inflammation and pulmonary edema, endangering life. This is like being in a filthy and evil fumigation place, the breath is difficult, and the body suffers from it.

And the intake of ammonium hydrogen fluoride crystals is also a serious problem. In the abdomen, it will damage the digestive system, cause nausea, vomiting, abdominal pain, diarrhea and other diseases, and seriously affect the transportation of the viscera.

And because of its fluoride content, long-term exposure to fluoride, fluoride accumulates in the body, which can cause fluorosis. Bony pain, deformation, and limited physical activity make it difficult for people to move, such as being shackled.

Therefore, when exposed to ammonium hydrogen fluoride crystals, be careful and take comprehensive protection measures to avoid all kinds of damage to the body.