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  • 23

    Nov

    Different types and applications of carbon nanomaterials

    Carbon nanotechnology began in the 1990s, and its presentation has greatly improved and improved the national economy. Its internal structure is of a hierarchical type and can exhibit special chemical properties in the field of catalysis and devices. At the same time, new nanomaterials appear after graphene and nanotubes, and new carbon nanomaterials have become a hot topic in many research fields...
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  • 17

    May

    Noun explanation: XRF, EDS and ICP in component analysis

    1, XRF (X Ray Fluorescence X-ray fluorescence) Use this method for surface chemical analysis, but you must purchase standard samples and draw standard curves. The measured sample must meet a number of conditions, such as a smooth surface and uniform composition. If the composition is not uniform, it can only be stated that the composition of the micro-area measured by XRF is the same, and the othe...
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  • 19

    Apr

    What are the influencing factors of nano powder particle size test?

    Particle size: The size of the particles is called particle size, usually the particle size of spherical particles is expressed by diameter/particle size, and the particle size of cubic particles is expressed by side length. Particle size is the diameter of a particle. However, most of the particles in practice are irregular. Therefore, in order to describe the size of the particles more convenien...
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  • 09

    Jun

    Characterization of Nanomaterials - Composition Analysis of Nanopowders

    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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  • 01

    Jul

    How to Prepare of Samples for Nanoparticle Transmission Electron Microscopy (TEM)

    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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  • 08

    Aug

    A brief introduction to ICP-MS for chemical total elemental analysis

    ICP-MS Inductively Coupled Plasma Mass Spectrometer is an analytical instrument that combines ICP technology and mass spectrometry. It can simultaneously measure dozens of trace elements. The instrument covers a wide range of elements, including alkali metals, alkaline earth metals, transition Metals and other metalloids, rare earth elements, most halogens and some non-metallic elements. Principle...
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  • 25

    Jun

    What are the special properties of nanomaterials

    1. Mechanical properties Due to the fact that nanomaterials are composed of nanoparticles, and when the particles are at the nanoscale, the strength, hardness, and other mechanical properties of the material will increase as the particle size decreases. It is precisely because of this property of nanomaterials that they can be used for certain packaging that requires strength and hardness, solving...
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  • 25

    Jun

    What are the applications of nanomaterials in the chemical industry

    1. Application in catalysis Nanomaterials can be used as catalysts, which are used to accelerate certain chemical reactions. Nanomaterials exhibit good surface activity due to their high specific surface area, which is a necessary condition for nanomaterials to become catalysts. In the catalyst industry, nanoparticle catalysts will undoubtedly play an important role. Photocatalyst is an example of...
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  • 19

    Sep

    The measurement deviation of particle size analyzer is influenced by multiple factors

    The measurement deviation of particle size analyzer is influenced by various factors, and the following are some possible factors: The physical properties of the sample: The shape, size, density, and color of the sample can all affect the measurement deviation of the particle size analyzer. Measurement environment: Measuring environmental factors such as temperature, humidity, and pressure may lea...
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  • 13

    Oct

    What Nanomaterials can be used for Invisible Cloaks

    Invisible material refers to a material that can reduce or eliminate the reflection of light on the surface of an object, making it invisible or reducing its visibility. The principles of commonly used stealth materials currently include the following: The principle of refractive index control: By utilizing the difference between the refractive index of the material and the refractive index of the...
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  • 20

    Oct

    How to Measure the Thickness of Coatings on Nanoparticles

    Measuring the thickness of the coating layer in nanoparticles requires the use of advanced instruments and techniques. The following are possible measurement methods: Transmission Electron Microscope (TEM): This is a microscope that utilizes high-density electron beams to observe and measure the structure and properties of nanoparticles. For the measurement of the thickness of the coating layer, T...
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  • 01

    Nov

    What are the functions of XRF, EDS, and ICP

    XRF is the abbreviation for X-ray fluorescence analysis, which utilizes the characteristics of X-rays to perform non-destructive analysis of substances. XRF is the abbreviation for X-ray fluorescence spectroscopy analyzer, suitable for identifying and measuring elements in solid, liquid, and powder samples. It determines the elemental composition of the sample by measuring the fluorescence emitted...
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