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What are the main uses of iron trifluoride trihydrate?
Ferric trichloride trihydrate is a chemical substance with a wide range of uses.
In the water purification industry, its function is very great. It can be used as a water purifier, because it can hydrolyze in water to form iron hydroxide colloid. This colloid has strong adsorption properties and can absorb impurities suspended in water to make it settle, so as to achieve the purpose of purifying water quality. For example, water from rivers and lakes is introduced into a water purification plant, and ferric trichloride trihydrate is injected into it. After a series of treatments, the water can be clarified and suitable for drinking or industrial use.
It is also indispensable in the manufacture of printed circuit boards. It can be used as an etching agent because ferric trichloride is oxidizing and can chemically react with copper on printed circuit boards. In the language of chemistry, that is, $2FeCl_ {3} + Cu = 2FeCl_ {2} + CuCl_ {2} $. With this reaction, the excess copper on the circuit board can be dissolved and removed, leaving the required circuit pattern precisely. This is a key step in the manufacture of electronic products.
In the field of medicine, it is also used. It can be used as a hemostatic agent. When the human body experiences trauma and bleeding, ferric chloride trihydrate can cause blood to coagulate and then stop bleeding. Because iron ions can agglomerate proteins in the blood to form a gel-like substance, clogging wounds and preventing blood outflow.
In the building materials industry, it can also play a role. It can be used as an additive for concrete. After adding ferric chloride trihydrate, it can improve the performance of concrete, enhance its strength and durability, and make buildings stronger and more durable.
In addition, in many fields such as pigment manufacturing and organic synthesis, ferric chloride trihydrate has its unique uses, or acts as a catalyst to accelerate the reaction process; or participates in the reaction to generate specific products, providing assistance for industrial production and scientific research.
What are the physical properties of iron trifluoride trihydrate?
Ferric trichloride trihydrate is a common chemical compound. Its physical properties are quite characteristic, and I will describe them in detail.
Looking at its appearance, ferric trichloride trihydrate is often orange-yellow crystal-like, with uniform particles and a lot of luster. It shines in the sun, like finely broken gold. Its texture is relatively solid, but it is not very strong. A little external force can also break it.
When it comes to solubility, this compound is very soluble in water. When placed in water, it instantly melts into it like ice and snow meeting warm sun, causing the water color to gradually change and eventually become a brown-yellow solution. This is due to complex reactions such as hydrolysis of trivalent iron ions in water. Not only that, it also has some solubility in organic solvents such as ethanol and acetone, but it is slightly less soluble than water.
When it comes to melting point and boiling point, the melting point of ferric chloride trihydrate is about 37 ° C. This temperature is not very high. Compared with many common solids, it can be melted from solid to liquid by a little heating. As for the boiling point, under certain conditions, it is about 280-285 ° C. When the temperature gradually rises to the boiling point, the compound will transform from liquid to gaseous and dissipate in the air.
Ferric chloride trihydrate is also hygroscopic. If exposed to humid air, it is like a thirsty person encountering manna, quickly absorbing moisture in the air, and the crystal surface gradually deliquescent, or even into a solution. When it is stored, it must be sealed and placed in a dry place.
The density of this compound is about 1.82g/cm ³, which is heavier than water. When it is put into water, it will sink to the bottom like a stone and slowly sink.
The above are the physical properties of ferric chloride trihydrate, which are important considerations in many fields of chemical research and industrial production.
Is the chemical property of iron trifluoride trihydrate stable?
The chemical properties of ferric chloride trihydrate are relatively stable. This compound can exist relatively stable under normal temperature and pressure. In dry air, it can be slightly weathered, but this process is relatively slow and does not cause rapid change in its properties.
Looking at its chemical structure, the force between iron ions, chloride ions and water molecules makes the compound stable to a certain extent. Chloride ions coordinate around iron ions, and water molecules also combine with them in a specific way to form a relatively stable structure.
In the general chemical reaction environment, if there are no special conditions to stimulate, such as high temperature, strong acid and alkali, or the intervention of strong oxidizing agents and reducing agents, ferric trichloride trihydrate is not easy to undergo significant chemical changes on its own.
Its stability is also reflected in many practical application scenarios. For example, in the field of water treatment, it is often used as a water purification agent, and the ferric hydroxide colloid produced by its hydrolysis is used to absorb impurities. During this process, ferric trichloride trihydrate can play its role relatively stably. Although the hydrolysis process occurs, the overall chemical properties are still maintained within a certain controllable range, which shows that it has considerable stability and can meet the needs of practical applications. In conclusion, ferric chloride trihydrate is chemically stable under common conditions.
What is the preparation method of iron trifluoride trihydrate?
To make ferric chloride trihydrate, you can do it as follows.
Take pure iron first, clean its surface pollution, and put it in the reactor. Slowly inject hydrochloric acid, the reaction is also, iron and hydrochloric acid phase combination, hydrogen and ferrous chloride, the chemical formula is: $Fe + 2HCl = FeCl_ {2} + H_ {2}\ uparrow $. This step requires attention to the concentration of hydrochloric acid and the rate of reaction. If the hydrochloric acid is too concentrated, the reaction may be violent and difficult to control; if the rate is too slow, it will take too much time.
Wait until the iron is completely dissolved to obtain a solution of ferrous chloride. In this solution, pass chlorine gas. Chlorine is highly oxidizing, and ferrous chloride can be oxidized to ferric chloride. The reaction formula is: $2FeCl_ {2} + Cl_ {2} = 2FeCl_ {3} $. When passing chlorine, the chlorine must be evenly dispersed in the solution, and when the degree of reaction is measured by an instrument, the ferrous chloride must be converted to ferric chloride.
After obtaining the ferric chloride solution, if you want to make it into a crystal of ferric chloride trihydrate, you need to evaporate, concentrate, and cool the crystallization. First, steam slowly at low temperature to make the solvent gradually less and the concentration of the solution gradually higher. However, when evaporating, the temperature must not be too high, otherwise ferric chloride or hydrolysis will produce ferric hydroxide, and hydrogen chloride will escape, resulting in impure products. When a crystalline membrane appears on the surface of the solution, it is removed from the heat source and allowed to cool. During the cooling process, the crystals of ferric trichloride trihydrate gradually emerge.
Finally, the crystals are separated from the mother liquor by filtration, and then dried at low temperature. In addition to the wetness of the surface, pure ferric trichloride trihydrate crystals can be obtained. The whole preparation process should be carefully operated at all steps, paying attention to the control of reaction conditions, in order to obtain good quality products.
What are the precautions for the storage and transportation of iron trifluoride trihydrate?
Ferric trichloride trihydrate, when storing and transporting, many matters need to be paid attention to.
First, storage, this substance is very deliquescent, so it must be placed in a dry place to prevent it from moisture and deterioration. In the warehouse, when the air is kept dry, the humidity must be strictly controlled. And it is corrosive. When storing, it should be placed separately from flammable, flammable and reducing substances, and must not be mixed in one place, so as not to breed disasters, cause chemical reactions, and cause danger. Furthermore, the storage place should be clearly marked, clearly indicating that it is ferric trichloride trihydrate, and marked with "corrosive" and other prominent words, so that everyone can clarify its characteristics for safety.
As for transportation, it should not be slack. The packaging must be solid and reliable to prevent the container from being damaged due to bumps and collisions during transportation, resulting in material leakage. Transportation vehicles need to be equipped with corresponding emergency treatment equipment, so that in case of leakage and other emergencies, they can respond immediately. Transportation personnel should also be familiar with the characteristics of the substance and emergency treatment methods, and know how to properly deal with it in the event of leakage. At the same time, during transportation, it is necessary to avoid high temperature and open flames to prevent danger caused by excessive temperature or exposure to open flames. When loading and unloading, operators should wear appropriate protective equipment, such as protective clothing, gloves, goggles, etc., to prevent the substance from contacting the body and causing injury.
In this way, when storing and transporting ferric chloride trihydrate, pay careful attention to the above things to ensure that the process is smooth and safe.
