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    The Properties And Applications of Amorphous Boron Powder

    Amorphous boron Powder This powder is dark brown or black and is stable in the atmosphere at room temperatures. It's used widely in metallurgy as well as synthesis, aerospace, and other fields.

    Amorphous Boron Powder Properties

    Amorphous Boron Powder is dark brown or black. It is prevented from further oxidizing by the diboron film that forms when the powder is exposed to air. Amorphous powder boron reacts with fluorine in the presence of hydrochloric or hydrofluoric solutions.
    Boron does not dissolve in water. Powdered boron dissolves in boiling nitric and sulfuric acids as well as in most molten metallic compounds such as copper and iron. Amorphous boron has a high chemical activity, and its powder can be explosive when mixed with air.

    Amorphous Boron Powder Applications

    High-purity powdered boron is used in many fields including metallurgy. Electronics, medicine, ceramics and the nuclear, chemical and other industries. It can be used to produce high-energy rocket fuel.

    The powdered amorphous form of boron is used in the smelting process to create alloys, and can improve mechanical properties. Sometimes it can be used to replace metals that are scarce. Boron powder also can be used to make borides for different materials and additives, such as ceramics.

    High-purity powder boron contains a lot of fuel propellant, which can be used in ramjet engines and missiles to achieve high speeds, long ranges and low volumes. Amorphous powdered boron has a low ignition temperature and is an excellent non-metallic energy source.

    Tech Co., Ltd. is a professional Amorphous Boron Powder With over 12 year experience in chemical product research and development. We accept payment by Credit Card, T/T (West Union), Paypal, West Union or T/T. The goods will be shipped to overseas customers via FedEx or DHL.

    You can contact us for amorphous boron if you need high quality powder. Contact us Send an inquiry.

    2023-08-02

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    Introduction to Properties and Applications of Amorphous Boron Powder

    What is Amorphous Boron Powder? Boron Powder , amorphous element boron, CAS No. is 7440-42-8, appearance is light brown to gray-black invisible powder, melting point is 2300+- 2, atomic weight 10.81, L Hua temperature 2550, specific gravity 2.34-2.37, insoluble in water, hydrochloric acid, ethanol and ether, soluble in cold concentrated alkali solution to decompose hydrogen, and oxidized by concentrated sulfuric acid and concentrated nitric acid Into boric acid.

    Properties of Amorphous Boron Powder
    In the periodic table, boron is in a special position between metals and non-metals. It has strong negative charge, small atomic radius, concentrated nuclear charge, and more active chemical properties. It is very stable at room temperature. It will be oxidized when heated to 300, and will smell at 700. In addition, at high temperature, it can interact with oxygen, nitrogen, sulfur, halogen and carbon, and can also interact with Many metals combine directly to form borides.
    Applications of Amorphous Boron Powder
    Amorphous boron powder is often used in metal smelting, electronic product manufacturing, ceramic manufacturing, chemical industry and nuclear industry, etc. The specific uses of Amorphous Boron Powder are as follows:
    1. Additives for pyrotechnics, in terms of energy, Amorphous Boron Powder should be the best non-metallic fuel. The ignition temperature of Amorphous Boron Powder is greatly reduced due to its irregular shape and large specific surface area;
    2. Amorphous Boron Powder is also an important raw material for the production of high-purity boron halide and other boride raw materials;
    3. Oxygen-free copper smelting deoxidizer, a small amount of Amorphous Boron Powder is added in the metal smelting process, on the one hand, it is used as a deoxidizer to prevent the metal from oxidizing at high temperatures;
    4. Amorphous Boron Powder can be used as an alloy component in special metal products to form alloys and improve the mechanical properties of metals.
    5. The chemical properties of Amorphous Boron Powder are more active than crystalline elemental boron. Crystalline boron is very hard, and it is often used instead of diamond to make cutting tools or drill bits.
    6. Amorphous Boron Powder can also be used as a welding aid;
    7. Amorphous Boron Powder is an important energy material. It is used as a solid fuel in composite solid propellants. The calorific value of boron is more than twice that of carbon, about twice that of aluminum and more than twice that of magnesium. The calorific value is almost three times that of hydrocarbon fuel, the density is only slightly lower than that of aluminum, and it has the highest volumetric calorific value. In terms of its energy, boron should be the best non-metallic fuel. In addition, the ignition temperature of amorphous boron is greatly reduced due to its irregular shape and large specific surface area. ;
    8.Amorphous boron powder can be used as an additive for magnesia carbon bricks for steelmaking high-temperature furnaces.

    Tech Co., Ltd () is a professional amorphous boron powder supplier with over 12 years experience in chemical products research and development. We accept payment via Credit Card, T/T, West Union and Paypal. will ship the goods to customers overseas through FedEx, DHL, by air, or by sea.
    If you are looking for high quality amorphous boron powder powder, please feel free to contact us and send an inquiry.

    2023-07-18

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    Brief introduction of Zinc Sulfide

    What Zinc Sulfide is? A white, off-white or yellowish powder of zinc sulfide. Zinc sulfide turns darker when exposed light is applied. Zinc sulfuride is stable in dry atmosphere. It will slowly oxidize to zinc sulfurate if left in humid conditions for too long. Zinc sulfuride is easily soluble and soluble with dilute inorganic acid. However, it is not soluble when dissolved in water. Its relative densities are 3.98 (a kind), (d25), and 4.102 (b kind).
    Is Zinc Sulfide fluorescent, or phosphorescent?
    Zinc sulfuride is one of most commonly used phosphorescent substances. Phosphorescence is a particular type of photoluminescence. Phosphorescent materials emit absorbed energy at the same time as fluorescent substances.
    What are some properties of zinc sulfuride?
    Zinc sulfuride is a white, or slightly yellow powder. It forms crystals in the presence of H2S gas. Its alpha form is a hexagonal colorless crystal with a density 3.99g/cm3 melting point at 1700degC. Its beta version is a cubic colorless crystal with a density o 4.102g/cm3. At 1020°C, it transforms into an alpha form. Zinc sulfide can be found in sphalerite. Insoluble when water is used. Soluble in acid. You can see the sun dimmed.
    Zinc sulfuride can be transformed into zinc sulfide in humid conditions for a very long time. It is generally formed from the interaction of zinc salt solution with hydrogen sulfide. A small amount of Cu Mn, Ag can be added to activate the crystalline ZnS. It will emit different colors of fluorescence when illuminated. Zinc sulfuride can be used to make coatings or analytical reagents. It can also be used to create paint, opaque glass and rubber as well as plastic and phosphor.
    Is zinc sulfide FCC or BCC?
    Zincblende/sphalerite is based on an FCC lattice of anions whereas wurtzite is derived from an hcp array of anions. The cations are found in both structures and occupy one type of tetrahedral hole.
    How to make zinc sulfide.
    Method 1: Add ammonium to the zinc salt solution. You will get a white precipitate.
    Method 2: Add ammonium to the zinc sulfate, and then pass in hydrogen to cause precipitation. After the precipitate has been filtered, it is dried in an isolation room. This will give you a clear white crystal zinc sulfide.
    Why does zinc sulfide glow?
    The color additive luminescent zinc sulfide, which is zinc sulfur with a copper activator, is a zinc sulfide. Lumenescent zinc sulfide emits a yellow-green color when it is excited by sunlight or artificial light. It can produce a maximum of 530 nanometers.
    Zinc Sulfide supplier
    (aka. Technology Co. Ltd. (aka. Our company is currently working on a number of materials. Our company produces zinc sulfide of high purity and excellent quality. Send an email to us, or click on one of the requested products for an inquiry.


    2023-04-20

    Blog

    Hexagonal boron nitride, as a solid material, has incredible application potential in optics, biology and health sciences

    What is Hexagonal Borion Nitride? Hexagonal-boron Nitride (HBN) ceramics are essential microwave communication materials in aerospace. H-BN is a covalent compound that has a low selfdiffusion coefficient at high temperature and requires difficult sintering. It is most commonly prepared through hot pressing sintering. The hot pressing pressure and temperature can be very high. This makes it difficult to create complex-shaped ceramic products. Reaction sintering and high pressure gas-solid combustion are still options, but it is hard to get sintered products that are satisfactory in size and shape. Following mechanochemical activate with hexagonal Boron Nitride Powder, press-free sintering was done on H-BN ceramics in order to achieve 70% of the AlN ceramics' relative density.
    The characteristics and applications of hexagonal Boron Nitride
    Hexagonalboron nitride is a solid material that has amazing potential to be used in optics, biology, and other health sciences. This attracts more and more attention from around the globe. Professor Bernard Gil (National Centre for Scientific Research), as well as Professor Guillaume Cassabois from the University of Montpellier made important contributions to the physics of this fascinating material and to its ability to interact and control electromagnetic radiation. They have teamed up with James H. Edgar, Kansas State University USA to examine the use of hexagonal boron nutride in developing quantum information technologies. Professor Edgar has been working on advanced technologies to make high purity boron Nitride crystals.
    Hexagonalboron Nitride (hBN), a versatile solid material, plays an important role in many traditional applications. It can be used for lubrication, cosmetic powder formulations, thermal control, neutron detection, and other purposes. HBN, which was originally synthesized in 1842 from a fragile powder, has a layered structure that is different than graphite. This includes tightly bound B, N atoms that are superimposed in a network plan of weak interactions. A similar process can be used to make graphene from graphite, and monolayers of hBN. hBN actually sits at the intersections of two worlds. It is widely used in shortwave, solid-state light sources as well as layered semiconductors such a graphene and transition metallic halogens. Nevertheless, hBN exhibits distinct properties from both these classes of materials making it a potentially widespread candidate material.
    HBN crystal growth
    Since 2004, the field of hBN research and its application has seen a breakthrough in the form of new techniques to grow large (11.2 mm3) hBN single-crystals. Kansas State University's Professor Edgar and his colleagues have been key players in this area. They investigated the factors that influence the growth of crystals, their quality and eventual size, as also the effects on doping impurities or changing the boron ratio. HBN crystals are formed from solutions of molten elements, such as chromium or nickel, and can dissolve boron. Professor Edgar and collaborators demonstrated crystals made of pure boron have a higher quality than crystals made with hBN powder. They also examined the effects of gas composition, metal solvent selection, and crucible type upon the growth process.
    Additionally, the research team developed new techniques to produce isotopically pure HBN crystals. Natural boron can be described as a mixture of two isotopes, either boron-10 (20%) or boron-11 (80%). Although they have different nuclear masses, the chemical properties are identical and produce an indistinguishable structure for hBN. However, the LATTICE (or hBN) of an isotope has a significant effect on its vibration modes. These are also known as Phonons. Crystals with boron-10 or boron-11 have longer phonon lifespans. The crystal structure's random distribution of boron Isotopes causes phonon modes and their lifetime to disperse faster. The hBN has only one boron Isotope. Phonon scattering is decreased and the lifetime of phonons is extended. This reduces the hBN's thermal conductivity and makes it more efficient at dissipating warmth. Its optical characteristics are also very important, particularly in the field nanophotonics. This is the study of light reduced to dimensions below free space wavelengths. In this instance, the wavelength of light for h10BN has been reduced by 150.
    Quantum and HBN Information Technology
    Modern quantum technology relies on the ability of individual photons to be generated and manipulated. Single-photon sources emit light, unlike traditional thermal sources like incandescent lamps or coherent sources like lasers. These single-photon source emit light in the form single quantum particles (photons). They interact with other photons and can be used for storage and generation of new information in quantum computing. In some cases, single-photon source can be a defect in crystal structures caused by impurity and atoms. In the case hBN, the possibility of a high-density defect combined with a large range provides an opportunity for a support single-photon source. Quantum applications are significantly more spectral than pure nanophotonics, as they require higher sample purity.
    Photoluminescence experiments with hBN samples containing C and Si impurities showed that the spectral characteristics are significantly higher at 4.1eV light energy than pure hBN. Single-photon emission has been reported in recent cathode luminescence studies (in which phonon emissions are induced by an electronic beam), but it is not observed in laser-induced emit (photoluminescence). In photoluminescence experiments, many spectral lines lower than 4 eV have been seen. These may be due to single-photon emission defect in this energy range. These defects are still controversial. Although the phenomena of single-photon emitting hBN is complicated, the research of Professors Edgar Gil, Cassabois and Cassabois provides solid evidence of the extraordinary capabilities of this material in the field quantum technology.
    Hexagonal Boron Nitride supplier
    (aka. Technology Co. Ltd. (aka. Our company has developed a variety of materials. Our Hexagonal Boron Nitride BN Powder is high in purity, fine particle size, and has low impurities. Send us an email, or click on one of the products to send us an inquiry.

    2023-04-18

    Blog

    What is Aluminum Nitride?

    What is it? Aluminum Nitride ? Aluminum nitride or covalent bond compounds, chemical formula is AIN, is an atomic structure that is non-toxic, white, or off-white.
    Aluminum Nitride has the following main features
    AlN can be stored at temperatures up to 2200 degrees Celsius. The strength of AlN at room temperature is high. With increasing temperatures, it decreases slowly. It is an excellent thermal shock material because it has a low thermal conductivity and small thermal expansion coefficient. It is extremely resistant to molten steel corrosion, making it an ideal crucible material for casting aluminum alloy, pure iron or aluminum. Aluminum nitride, which is an excellent electrical insulator due to its good dielectric properties, is also promising as an electric component. The aluminum nitride coating protects the gallium arsenide substrate from ionization during annealing. Aluminum nitride also acts as a catalyst in the conversion of hexagonal to cubic boron nutride. It reacts slowly at room temperature with water. Aluminum powder can be made in nitrogen atmosphere or ammonia at 8001000. It is white to gray-blue and can be used as a catalyst. It can also be produced by reaction of Al2O3C–N2 system at 16001750. The product is off-white. Or by the vapor phase reaction of aluminum chloride with ammonia. The vapor phase deposition method for AlCl3/NH3 can produce the coating.
    Aluminum Nitride Properties
    Other Titles Aluminium nitride
    No. 24304-00-5
    Combination Formula AlN
    Molecular Weight 40.9882
    Appearance Powder from pale yellow to white
    Melting Point 2200 degC
    Boiling Point 2517 degC (dec.)
    Density 2.9 to 33% g/cm3
    Solubility of H2O N/A
    Electrical Resistivity 10-12 10x 10x O.m
    Poisson’s Ratio 0.21 to $0.31
    Specific heat 780 J/kg-K
    Thermal Conductivity 80 to 200 W/m K
    Thermal Expansion 4.2 to 5.4 um/mK
    Young’s Modulus 330 GPa
    Exact Mass 40.9846
    Monoisotopic 40.9846
    AlN powder CAS 24304 00-5
    Aluminum Niitride
    The majority of current research is focused on developing a semiconductor-based light emitting device (gallium nutride or alloy aluminum gallium nanonitride) that can operate in ultraviolet light with a wavelength up to 250 nanometers. An inefficient diode can emit light up to 210nm [1] as reported in May 2006. An aluminum nitride single crystal has an energy difference of 6.2eV, measured by the reflection of UV rays. The energy gap is theoretically large enough to allow some waves with wavelengths of around 200 nanometers to pass through. However, commercial implementation presents many challenges. Aluminum nitride has many uses in optoelectronics. This includes as dielectric layers for optical storage interfaces and electronic substrates. Also, it is used in military applications as chip carriers with high thermal conductivity.
    The properties of aluminum Nitride's piezoelectric effect make epitaxial stretching aluminum Nitride crystals a good choice for surface acoustic-wave detectors. The detectors can be placed on silicon wafers. It is difficult to produce thin films reliably in these locations.
    Aluminum nitride clays can be used for heat exchangers and high-temperature structural parts.
    It can be used to resist corrosion properties of aluminum, iron, and alloys.
    Aluminum Niitride's main supplier
    Tech Co., Ltd. () is a professional nitirde dust Over 12 years' experience in chemical products development and research. We accept credit cards, T/T and West Union payments. We will ship goods overseas via FedEx, DHL and by air or sea to our customers.
    You can find high-quality powdered boron carbide here Please contact us Send an inquiry

    2023-04-18

    Blog

    The Applications of Mn2O3 Powder

    What is it? Mn2O3 Pulver ? Manganese oxide trioxide, a compound with the chemical formula Mn2O3 has a molecularweight of 157.88. Black cubic crystals. Relative densities 4.50 Water, acetic acid, and ammonium chloride solution are insoluble. It is also insoluble in other inorganic acid. Cold hydrochloric acid is used to dissolve the substance to form a brown solution. Hot dilute sulfuric or concentrated sulfuric acids are used to create a red solution. The solution then undergoes decomposition into MnO2 & manganese Nitrate in hot acid. When heated, it becomes Mn3O4 which releases O2. It is available in two forms: a-Mn2O3 (or g-Mn2O3). The a-type is made by heating divalent Manganese in air to 600800, and the g type by heating MnO2 in vacuum at 500. For 78 hours. It can be used for the printing and dyeing processes of cloth, as well as in the oxidation process carbon monoxide, organic compounds and nitrate.
    The properties of Mn2O3 Pulver
    Manganese Trioxide is a black cubic crystalline, insoluble and insoluble in water, Acetic Acid, and Ammonium Chloride Solution. It is also soluble with other inorganic acid. When heated to 1080, it becomes Mn3O4 or O2. It can be dissolved in cold water chloric acid to a brown solution or in hot dilute sulfuric and concentrated sulfuric acids to a red solution. When heated, it will decompose into MnO2 & manganese nitrate. It comes in two forms, a–Mn2O3 (g-Mn2O3) and g–Mn2O4.
    Manganese Oxide Mn2O3 Powder Properties
    Other Titles Manganese oxide, Manganese(3+) oxide, Manganese sesquioxide,
    Dimanganese trioxide, Keto-(ketomanganiooxy)manganese,
    Manganese(3+) oxide, Manganese trioxide,
    Oxo-(oxomanganiooxy) manganese
    No. 1317-34-6
    Combination Formula Mn2O3
    Molecular Weight 157.87
    Appearance Black Solid
    Melting Point 940 degC (1724 degF)
    Solubility of in water N/A
    Density 4.5 g/cm3
    Purity 99.50%
    Particle size 0.8mm
    Boling Point N/A
    Specific heat N/A
    Thermal Conductivity N/A
    Thermal Expansion N/A
    Young’s Modulus N/A
    Exact mass 173.856
    Monoisotopic 173.856
    Manganese Oxide Mn2O3 CAS 1317-34-6
    The preparation for Mn2O3 Pulver
    1. A-Mn2O3a can be prepared by further oxidation/reduction of manganese oxides or by heating divalent Manganese salts in air at 600-800degC. To heat manganese nuitrate hexahydrate, or pure b–MnO2, to a constant temperature at 650°C in air is the best way. Manganese nitrate-hexahydrate is used as the raw material. It must be heated to 190°C to create a solid substance. Pulverized material can then be heated to 650°C.
    2. Preparation of G-Mn2O3In 350mL the solution, in which 2.2g Manganese Sulfate Tetrahydrate was dissolved was stirred vigorously. Next, 34mL dropwise of 3% Hydrogen Peroxide Solution was added, followed by 50mLs of 0.2mol*dm-3 Ammonia Water to create g–MnO(OH). To make the suspension that emits oxygen darken or black, heat for 4 minutes. Then filter and separate the solid. For gMn2O3, the gMnO(OH) was meticulously dehydrated at 250°C for three consecutive days. G-MnO2 can also easily be made by heating gMnO2 at 500 degrees Celsius for 78h under less pressure.
    Use of Mn2O3 Pulver
    1. Mn2O3 can be used for a variety of purposes and is suitable for use in the dyeing and printing of fabrics.
    2. It is capable of efficiently catalyzing the oxidation organic pollutants and nitro oxides, as well as organic coupling reactions.
    3. It can be used to make soft magnetic material precursors.
    4. Used as a raw ingredient in the production of lithium ion battery electrode materials.
    5. It is the primary and intermediate product of the manganese compound.
    The main supplier for Mn2O3 powder
    Tech Co., Ltd. () is a professional Oxide powder Over 12 years' experience in chemical product development and research. We accept credit cards, T/T and West Union payments. We will ship goods overseas via FedEx, DHL and by air or sea to our customers.
    You can find high-quality powdered boron carbide here Please contact us Send an inquiry

    2023-04-16

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