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What are the Uses of Fluorosilicic Acid?
Fluorosilicic acid has a wide range of uses. First, in the art of glass etching, it can make the surface of the glass have a delicate texture or a hazy state, just like the ancient glaze, which has been carved by craftsmen and is beautiful. Second, in the industry of metal surface treatment, it can form a protective film on the metal surface, which seems to be covered with armor, so as to resist corrosion and be durable. Furthermore, in the process of cement hardening, it can promote its rapid setting and enhance its solidity, such as ramming the foundation, which is as stable as a rock. And in the firing of some special ceramics, fluorosilicic acid can also adjust its texture and color, making the ceramics glow with a unique brilliance, just like the treasures of ancient kilns, radiant and charming. In the field of water treatment, appropriate use can remove impurities in the water, clarify the water, and ensure the net use of water for people's livelihood. In addition, when agricultural soil is improved, fluorosilicic acid can fine-tune the soil pH and help crop roots thrive, such as fertile soil for seedlings and vitality.
What should be paid attention to when storing Fluorosilicic Acids?
Fluorosilicic acid is corrosive in nature. When storing it, you must pay attention to many matters. The first thing to do is to find a suitable place, which should be dry and cool, and avoid direct sunlight. Due to sunlight exposure, the nature of acid may change, which will damage its quality. And keep away from fire and heat sources to prevent accidents. Fire and heat or chemical reactions may cause danger.
Furthermore, the utensils containing fluorosilicic acid must be made of corrosion-resistant materials. For example, glass utensils, although often used for storage, are not suitable for fluorosilicic acid because of their fluorine content, which can react with certain components in the glass. It should be filled with special plastic containers or metal containers lined with anti-corrosive materials to ensure that the containers are tight and leak-free, prevent acid gas from escaping, injure people and pollute the environment.
In addition, in the storage place, when preparing corresponding protective equipment and emergency products. Such as protective clothing, gloves, masks, etc., in case of inadvertent contact, they can be protected quickly. And should be familiar with emergency treatment methods. If there is a leak, quickly neutralize it with alkaline substances such as lime, and then properly clean it up, so as not to cause greater harm to the dispersion.
In addition, the storage place should be well ventilated to avoid acid gas accumulation. Always check the state of the container, whether there is any damage or leakage, and if there is any abnormality, dispose of it quickly. So pay attention to all things, and keep fluorosilicic acid safe for storage.
What are the Physical and Chemical Properties of Fluorosilicic Acid?
Fluorosilicic acid is an important chemical substance. Its physical and chemical properties are particularly impressive. In terms of its physical properties, fluorosilicic acid is mostly a colorless and transparent liquid under normal conditions, which is highly corrosive, and the skin is easily damaged when touched. And this liquid has a pungent smell, which is uncomfortable to smell. Its density is larger than that of ordinary water, and it can be observed in a container.
As for its chemical properties, fluorosilicic acid is acidic and highly acidic. In chemical reactions, it can often show a lively state. It can react with many metals and their oxides, which is its remarkable characteristic. In case of alkali substances, it can also neutralize and react to generate corresponding salts and water. Due to its fluorine content, fluorosilicic acid also plays an important role in some reactions involving fluoride formation. In many industrial processes, such as glass etching, metal surface treatment, etc., fluorosilicic acid plays an indispensable role due to its unique physical and chemical properties.
Effects of Fluorosilicic Acids on Human Health
Fluorosilicic acid is corrosive in nature and has a serious impact on human health. It enters the body through the respiratory tract, which can cause swelling and pain in the throat, cough, acute qi and other diseases, and even cause pulmonary edema, endangering life. If it comes into contact with the skin, it will burn the skin, cause erythema, blisters, improper treatment or leave scars. If it is not careful to enter the eyes, it will cause serious damage to the eyes, causing severe eye pain, tears, vision loss, and even blindness.
If you ingest fluorosilicic acid by mistake, it can harm the digestive tract, causing nausea, vomiting, abdominal pain, diarrhea and other diseases. In severe cases, it can damage the liver, kidneys and other organ functions. Long-term exposure to fluorosilicic acid-containing environment, fluoride accumulates in the body, can cause fluorosis, bone pain, deformation, affect joint activities, and reduce quality of life. It can also cause fluorosis, damage the appearance and health of teeth. Therefore, in the case of fluorosilicic acid, strict safety procedures should be followed to protect the human body from its harm.
What are the Production Methods of Fluorosilicic Acid
The method of making fluorosilicic acid covers all kinds of things. One method is obtained from the waste gas of the phosphate fertilizer industry. During the production of phosphate fertilizer, phosphate rock interacts with sulfuric acid, during which fluorine elements mostly escape in the form of silicon tetrafluoride. If this silicon tetrafluoride gas encounters water vapor, it converts into fluorosilicic acid, and its gas enters water and becomes this acid. This is a common way.
Another method can be obtained by the reaction of hydrofluoric acid and silicon dioxide. Hydrofluoric acid is highly corrosive. When it meets silicon dioxide, the two combine to produce fluorosilicic acid. However, hydrofluoric acid is not easy to produce and is highly toxic. Therefore, this method is slightly less used in industry and is mostly used in experimental scenes.
In addition, fluorosilicate can be formed by reacting with strong acid. Take an appropriate amount of fluorosilicate, put it in strong acid, and after chemical reaction, fluorosilicate is produced. This process requires controlling the reaction conditions, such as temperature, concentration, etc., to ensure the purity and yield of the product.
This method has its own advantages and disadvantages. In industrial production, it is often chosen according to the availability of raw materials, the cost, and the difficulty of the process. In order to obtain the required fluorosilicate acid.