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What are the main application fields of Strontium Fluoride
Strontium fluoride is a compound composed of strontium and fluoride. It is important in various fields and is described as follows:
First, in the field of metallurgy. In metallurgy, strontium fluoride is often used as a flux. It can reduce the melting point of slag, increase the fluidity of slag, help the effective separation of metal and slag, and improve the purity of metal. And in the steelmaking process, it can improve the quality of steel, such as refining grains, strengthening the mechanical properties of steel, and improving the toughness and strength of steel.
Second, in the field of ceramics. In ceramic production, the addition of strontium fluoride can improve the properties of ceramics. First, it can reduce the firing temperature of ceramics and reduce energy consumption; second, it can improve the whiteness and gloss of ceramics, making their appearance more beautiful. And it can enhance the chemical stability and wear resistance of ceramics, and broaden the application range of ceramics.
Third is the field of electronics. Strontium fluoride has special electrical properties, so it has its place in the electronics industry. It can be used in the manufacture of electronic components, such as capacitors, resistors, etc. Its special crystal structure and electrical properties can meet the specific performance requirements of electronic components and provide assistance for the stable operation of electronic equipment.
Fourth is the field of optics. In the preparation of optical materials, strontium fluoride is also indispensable. It has good optical permeability and can be used to make optical lenses, window materials, etc. In the field of infrared optics, it also shows unique advantages, providing key material support for infrared detection, imaging and other technologies.
Five-day medical field. Although relatively few applications, strontium fluoride contains some strontium compounds, which are beneficial to human bone health. An appropriate amount of strontium helps to enhance bone density and prevent bone diseases such as osteoporosis. Therefore, it has also attracted more and more attention in pharmaceutical research and development and health care products.
What are the Physical Properties of Strontium Fluoride?
Strontium fluoride, known as strontium fluoride ($SrF_ {2} $), is a common inorganic compound. It has the following physical properties:
Strontium fluoride appears as a white crystalline powder. Under normal temperature and pressure, its properties are quite stable. Its density is about 4.24 g/cm ³, which makes its texture relatively heavy. The melting point is quite high, reaching 1473 ° C, and the boiling point is 2460 ° C. Such a high melting and boiling point indicates that the internal forces between particles are strong, and a large amount of energy is required to change its state.
Strontium fluoride is insoluble in water, and its solubility in water is very small. However, it is soluble in concentrated inorganic acids, such as hydrochloric acid, nitric acid, etc. This property is due to its ability to chemically react with acids to form soluble salts.
The crystal structure of strontium fluoride is a fluorite-type structure, which gives it unique physical properties. In the field of optics, strontium fluoride has good optical properties, and it has a certain transmittance to ultraviolet, visible and infrared rays. It can be used as an optical material, such as for the manufacture of infrared optical components, lenses, etc.
In addition, strontium fluoride also has certain electrical properties, which can exhibit certain ionic conductivity under certain conditions, and may have potential value in the application of some electronic devices.
Chemical Properties of Strontium Fluoride
Strontium fluoride, or strontium fluoride ($SrF_ {2} $), is an inorganic compound with unique chemical properties. It is stable. It is a white crystalline powder at room temperature and pressure. It is insoluble in water and only slightly soluble in acids. This property makes strontium fluoride relatively stable in humid air or water, and it is not easy to chemically react.
The stability of strontium fluoride is due to its ionic bond properties. Strontium ions ($Sr ^ {2 +} $) and fluoride ions ($F ^ {-} $) are closely connected by strong ionic bonds, and high energy is required to destroy this structure, resulting in stable chemical properties.
Its chemical activity is low and its reactivity with common acid-base substances is weak. For example, when contacted with common inorganic acids such as dilute hydrochloric acid and dilute sulfuric acid, it is only slightly soluble, and the reaction is extremely slow, producing only a small amount of strontium ions and hydrofluoric acid.
At high temperatures or under specific conditions, the chemical properties of strontium fluoride will change. At high temperatures and in the presence of reducing agents, a reduction reaction may occur, and strontium ions are reduced to strontium metal.
Due to its stable chemical properties, strontium fluoride is widely used in optical materials, ceramic industry, electronics industry and other fields. In the field of optical materials, due to its good optical properties and chemical stability, it is often used as an optical glass additive to improve the optical quality and chemical stability of glass; in the ceramic industry, it can enhance the hardness and chemical stability of ceramics; in the electronics industry, it can be used to manufacture electronic components, using its chemical stability to ensure long-term stable operation of components.
What are the production methods of Strontium Fluoride?
The method of creating strontium fluoride has existed in ancient times, and it has also advanced with the world. One method is the technique of combining strontium and fluoride to combine the phases. First prepare pure strontium, or strontium metal, or its compounds, and prepare fluorine gas or fluorine-containing compounds. In a special device, according to the appropriate temperature and pressure, make the two meet. When strontium metal encounters fluorine gas, it immediately starts to react violently, and fire bursts, and the two are quickly combined into strontium fluoride. However, fluorine gas is highly toxic and corrosive, and the operation must be careful, well-protected, and safe.
It is also created by the method of re-decomposition. Select soluble strontium salts, such as strontium nitrate, and soluble fluorides, such as sodium fluoride, each dissolved in water to form a clear liquid. Mix the two liquids slowly. At this time, the ionic phase in the solution is easy, nitrate and sodium ions combine, strontium ions combine with fluoride ions, and insoluble strontium fluoride is produced. Subsequent to the filtration method, the precipitation is obtained, and then washed, dried, and purified by removing impurities, and finally obtained pure strontium fluoride.
Furthermore, it can also be obtained by thermal decomposition. Take a compound containing strontium and fluorine, and this compound is easily decomposed by heat, and the product is strontium fluoride. Place it in a high temperature furnace and control the temperature to decompose gradually. After decomposition, cooling and collection, the required strontium fluoride can be obtained. However, this method requires precise temperature control and the degree of decomposition to avoid excessive decomposition and impurity of the product.
What is the price range of Strontium Fluoride in the market?
I have heard your inquiry about the price range of strontium fluoride in the market. However, this is not easy to say, and its price often changes due to many reasons.
Looking at the past, the price of strontium fluoride has always been determined by supply and demand, quality, and production sources. If supply exceeds demand, the price may decline; if demand exceeds supply, the price will rise.
Quality is also a major factor. The price of high-purity strontium fluoride must be higher than that of ordinary ones. Because it is useful in fine fields such as medicine and electronics, it requires strict purity, so the value is higher.
Furthermore, the price varies depending on the source. The price of locally produced and imported products varies depending on transportation, customs duties, etc.
According to past market conditions, the price ranges from tens of yuan to hundreds of yuan per kilogram. However, this is only a rough figure, and the actual price should be subject to the current market conditions. Market conditions are changing rapidly. To know the exact price, you need to consult chemical raw material manufacturers, market brokers, or watch the quotations of relevant trading platforms to get real-time accurate prices.