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In order to obtain the correct data of the primary particle size, it is often necessary to open the agglomerated particles in the particle size test to form a particle monomer and keep it uniformly dispersed in the medium. This operation is called "dispersion". The requirement of the laser particle size analyzer for the dispersion system is "dispersion without segregation". Dispersion techniques a...
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The value of nanomaterials is not only limited to its good performance in the information industry, biomedicine, aerospace and environmental protection, etc., but also that it can go deep into the details of life, and through the transformation of traditional manufacturing, it will have a subtle impact on human clothing, food, housing and transportation. Materials are the material basis for all te...
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The particle size of nano-level silver powder is usually between 20nm and 100nm. The performance of nano-silver powder is directly related to the particle size. The study found that the smaller the particle size, the higher the valence state, and the stronger the bactericidal performance. What are the important factors affecting the performance of nano-silver powder? Common metal activity sequence...
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1. Packaging of nano powders Most nanopowders will agglomerate again due to extrusion or moisture absorption, so the packaging of nanomaterials is very important. We will choose packaging materials according to the type, character and quantity of products purchased by customers, usually vacuum packaging in aluminum bags, or storage in water, we will tailor a reliable packaging solution for your go...
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The specific surface area is the surface area (㎡/g) of the substance per unit mass. It is one of the most important physical properties of ultra-fine powder materials, especially nano-powder materials. It is used to evaluate their activity, adsorption, catalysis and other properties. important physical properties. Therefore, in the research, manufacture and application of various ultrafine powder ...
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Characterization and testing technology is the fundamental way to scientifically identify nanomaterials, understand their diverse structures, and evaluate their special properties. The main purpose of characterization of nanomaterials is to determine some physical and chemical properties of nanomaterials, such as morphology, size, particle size, chemical composition, crystal structure, band gap an...
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Characterization and testing technology is the fundamental way to scientifically identify nanomaterials, understand their diverse structures, and evaluate their special properties. The main purpose of characterization of nanomaterials is to determine some physical and chemical properties of nanomaterials, such as morphology, size, particle size, chemical composition, crystal structure, band gap an...
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Nano ATO has excellent electrical and optical properties, and is widely used in coatings, plastics, textiles, polymer films, electronic products and other fields by virtue of its good electrical conductivity and antistatic properties. Nano ATO is much better than other antistatic materials, such as graphite, surfactant, metal powder, etc. The interaction of uniformly dispersed ato conductive nano ...
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In building energy conservation, the light transmission and heat insulation of glass is a very critical issue. In buildings with transparent ceilings and large-area exterior windows, the thermal radiation of sunlight will lead to an increase in the energy consumption of air conditioners, resulting in a large energy waste. In order to improve this phenomenon, nano-scale antimony doped tin oxide ATO...
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Transmission Electron Microscope (TEM) Transmission electron microscopy uses an electron beam that penetrates a sample to image, which requires the sample being observed to be "transparent" to the incident electron beam. Transmission electron microscopy is widely used in materials science and biology. Since electrons are easily scattered or absorbed by objects, the penetration is low, and the dens...
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This is a method of synthesizing boron nitride by reacting borax and ammonium chloride as the main raw materials in an ammonia atmosphere. The two raw materials should be dehydrated and recrystallized separately before participating in the reaction. Borax is best dehydrated in a vacuum at 200~400°C. The recrystallization of ammonium chloride is to dissolve it into a saturated solution, filter to r...
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The synthesis of boron nitride by nitridation with boron anhydride (B4O3) is one of the important methods for industrial production of boron nitride. Due to the low melting point of boron anhydride (glass state is 294°C, crystalline state is 450-600°C), it becomes a high-viscosity melt at the nitriding temperature, which hinders the flow of ammonia and makes the reaction slow and extremely incompl...
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