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What are the main uses of Sodium Silico Fluoride?
Sodium fluorosilicate, or Sodium Silico Fluoride, is widely used. In the industrial field, it is often used as an enamel flux. When making enamel, adding sodium fluorosilicate can reduce the melting point of enamel glaze, making it easier to spread and melt evenly on the metal surface, so that the surface of enamel products is smoother and denser, enhancing its wear resistance and corrosion resistance, and improving product quality and aesthetics.
In the glass industry, sodium fluorosilicate also has important functions. It can be used as an opacifying agent for glass. When an appropriate amount of this agent is added during the glass manufacturing process, it can make the glass emulsion, change the optical properties of the glass, increase the opacity and whiteness of the glass, and meet specific needs such as art glass and decorative glass.
In agriculture, sodium fluorosilicate can be used as an insecticide. Because it has certain toxicity to some pests, it can interfere with the physiological activities of pests, inhibit their growth and reproduction, so it plays a role in the control of some crop diseases and insect pests, ensuring the healthy growth of crops and increasing yield.
Furthermore, in the treatment of drinking water, an appropriate amount of sodium fluorosilicate can adjust the concentration of fluoride ions in water. An appropriate amount of fluoride ions can help prevent dental caries, enhance the acid resistance of teeth, maintain oral health, and protect the quality of drinking water and physical health to a certain extent.
What are the precautions for Sodium Silico Fluoride during use?
When using Sodium Silico Fluoride (Sodium Silico Fluoride), there are many things to pay attention to.
First, it is related to safety protection. This material has certain toxicity, and it is necessary to wear suitable protective equipment when operating, such as gloves, goggles, masks, etc. If it comes into contact with the skin accidentally, it should be rinsed with a lot of water immediately; if it enters the eyes, it should be rinsed immediately and seek medical attention.
Second, pay attention to storage conditions. It should be stored in a dry, cool and well-ventilated place, away from fire and heat sources, to prevent moisture and deterioration. At the same time, it should be stored separately from acids and alkalis to avoid reactions.
Third, the dosage should be precisely controlled. The dosage should be determined according to the specific use and relevant standards. Too little dose may be difficult to achieve the desired effect, and too much may cause negative consequences, such as pollution to the environment, or affecting product quality in specific application scenarios.
Fourth, during use, ensure that the operating environment is well ventilated. Avoid inhaling its dust, because inhalation may damage the respiratory tract. If used in a confined space, it is especially necessary to strengthen ventilation and ventilation facilities.
Fifth, follow the correct operation process. Whether it is dissolution, mixing or other operation steps, it should be strictly followed in accordance with the established procedures to ensure the use effect and safety.
What are the Physical and Chemical Properties of Sodium Silico Fluoride?
Sodium silica fluoride is a general term for a class of compounds, and its physical and chemical properties are quite specific.
In terms of physical properties, sodium silica fluoride is mostly in a solid state, usually a white powder-like substance, with a more delicate texture. Its color is pure and there is no mottled appearance, which is due to the characteristics of the constituent elements. Under normal temperature and pressure, the shape is stable, not easy to volatilize, and can be placed in ordinary environments for a long time without easily changing its physical form. And its density is moderate, lighter than some metal compounds, and not as frivolous as light organic matter, which is just right.
As for chemical properties, sodium silica fluoride has certain chemical stability. In ordinary water, the degree of solubility is limited, and only a small amount of ingredients can react weakly with water without causing violent chemical changes. In the air, it can also resist general oxidation, unlike some active metal compounds that are rapidly oxidized and discolored. However, in a strong acid environment, the chemical properties tend to be active. Strong acids can cause the decomposition reaction of sodium-silica fluoride, releasing fluorine-containing gases, which often have a pungent odor and a certain degree of corrosiveness. In a strong alkali environment, sodium-silica fluoride will also react, but the reaction process is relatively complicated, often generating new compounds containing silicon, sodium, fluorine and other elements, and the properties of these new compounds are different from the original sodium-silica fluoride, or the solubility is changed, or the chemical activity is different. Overall, the physical and chemical properties of sodium-silica fluoride exhibit rich and diverse changes under different environmental conditions, which is the wonder of chemical substances.
What are the production processes of Sodium Silico Fluoride?
The process of making sodium fluorosilicate has existed in ancient times, and its method is complicated, so it needs to be carefully studied according to the ancient method.
The first is the selection of raw materials. The sodium source often takes soda ash or caustic soda, the texture needs to be pure, and the impurities do not exceed a millimeter. The silicon source is mostly quartz powder or water glass, and its properties should be stable. The fluorine source is preferably hydrofluoric acid or sodium fluoride, and the quality can be pure.
The second is the method of reaction. First, soda ash, quartz powder and hydrofluoric acid are co-placed in the kettle, and the temperature is controlled at a moderate temperature. It is often boiled slowly to make the medicinal materials blend. The temperature should not change abruptly to prevent disorder. During the reaction, the liquid in the kettle should be slowly stirred to make it uniform. The chemical changes in it are subtle and need to be perceived by experience. Second, the combination of caustic soda with water glass and sodium fluoride is also a method. First dissolve caustic soda in water to form a clear liquid, and then add water glass and sodium fluoride in turn, stirring constantly, and observe its color change and temperature change, and adjust it in a timely manner.
After the reaction is completed, the mixed liquid is obtained, which needs to be purified and removed. The ancient method or the technique of filtration is to filter out the dross with a fine silk cloth; there is also a method of sedimentation, allowing the impurities to sink to the bottom and taking the supernatant. Then concentrate the crystallization, steam it slowly over low heat, so that the moisture is gradually lost, and the crystal nucleus is gradually generated. When it grows, remove it and dry it.
Finally, the finished product needs to be checked for its purity and particle size. The ancient method used vision, hand touch and mouth taste to distinguish its quality. Although it is not as precise as today, experienced people can also know its advantages and disadvantages. Fine research process can produce good quality sodium fluorosilicate.
What are the effects of Sodium Silico Fluoride on the environment?
The influence of sodium silica fluoride on the environment is quite considerable. If it contains this compound in the water, aquatic animals and plants will bear the brunt. Fish may feel unwell, the respiration of their gills may be hindered, resulting in attenuation of vitality, and even death. The photosynthesis of aquatic plants is also disturbed by it, growth or deformity, ecological balance, and gradual decline.
In the soil, if too much sodium silica fluoride accumulates, the soil properties will gradually change and surly. Its pH or biological changes, nutrient structure, are also destroyed. Beneficial microorganisms may not survive, and soil fertility will be reduced as a result. Vegetation growth, deteriorating, or thinning of vegetation, and the appearance of barren land gradually appears.
In the atmosphere, although its direct escape is not much, if the compound evaporates on the ground, or drifts away with the wind, the surrounding area is also affected by it. If people and animals inhale it, they will feel uncomfortable between the mouth, nose and throat, and it will hurt the lungs for a long time, which is very harmful to health. And after this substance settles, it returns to the soil and water bodies, and the cycle is harmful, and it starts over and over again.
Therefore, sodium silica fluoride is harmful to the environment, such as water bursting the dam, and the hidden dangers are endless. Its harm involves the three realms of water, soil and air, and ecological changes, which cannot be ignored. It must be handled with caution to protect the safety of the environment and the balance of the ecology.
