How to Prepare Neodymium Oxide Conveniently and Quickly

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What is Neodymium oxide? A rare earth oxide, neodymium oxide can be used in many applications. It’s used primarily in Neodymium Iron Born (NdFeB) permanent magnets. Televisions, glass colorings, fluorescent materials, laser material, and other additives in rubber industries. The elegant color of neodymium oxide is also a great discolorant. The oxide can also be used to make ceramics, dye textiles, and superconductivity, among other high-tech materials. There has been a steady increase in research and applications of neodymium oxygen in catalysis. This includes catalyzing carboxylic acid ester synthesis as well as the amination fatty alcohols. Good catalytic properties are demonstrated by nano-neodymium oxygen.

Chemical and Physical Properties of Neodymium Oxide

Neodymium dioxide is a type of lavender solid-powder. Your body can be easily affected by water. It is able to absorb carbon dioxide found in the air. It is not soluble or soluble with water. Its relative density is 7.24. The melting point is approximately 1900. Partially, heating the air may cause the high price for neodymium oxygen. Three types of neodymiumoxide crystal structures are available: triangular, cubic and hexagonal. This material is more magnetic than traditional neodymium-oxide materials due to its smaller structure and the surface of nanoparticles of neodymiumoxide nanoparticles.

Neodymium Oxide

Preparation Process 1. The chemical precipitation method The most common and widely-used method to prepare nano neodymiumoxid particles from the liquid phase is chemical precipitation. You use various precipitating materials and raw materials with neodymium Ions to make insoluble carbonate, oxalate, precursors and precipitate, filter, then calcine the precursors to get nano-scaled neodymium powder. There are several methods that can be used to make neodymium oxide powder. These include co-precipitation (homogeneous precipitation), complex precipitation and others. It is very simple and easy to perform, as well as low on equipment. The method can be used to prepare nano neodymium powder materials for industry or laboratories. It is also easy to make agglomerates of precursor particles during the preparation. This results in large final nano neodymium powder particles. 2. Pyrolysis is a method of removing toxins from the body. Nano-neodymiumoxide can be prepared by pyrolysis. Although the process is straightforward, cost-effective, high yield, and easy to manage, the particle shape is not very well controlled and particles are difficult to achieve with identical sizes. Thermal decomposition, for example, uses 2-nitrobenzoic Acid and neodymium Nitrate as raw materials in order to produce nano neodymium powder. It has an average particle size 15nm.

Neodymium Oxide

Areas for Application 1. Applications in catalysis Ultrafine powders of rare earth neodymium oxalate ultrafine have many applications in catalysis. The nano-neodymiumoxid ultrafine powder is used for the synthesis important chemical raw material such as butyl propionate and isobutylacetate. Additionally, carbon nanotubes with Nd2O3 particles are excellent catalysts to decrease the quantity of solid rocket propellants. Thermal decomposition temperatures of ammonium chlorate increase their burning rates. 2. Applications in ceramic industries The ceramic industry can also benefit from ultrafine rare Earth neodymium powder. A rare earth metal neodymium dioxide film coated ceramic pigment has a beautiful pearlescent hue. It is light violet in color. The pigment is less stable than others, it is more consistent, is more subtle, is more original, and has a better finish. This pigment can provide excellent UV shielding properties. A new laser-working material is Nd-doped yellowtrium oxide ceramics (NdY2O3). It has great potential for high-power lasers. Buffalotours advanced Material Tech Co., Ltd. is a professional Neodymium Oxidepowder manufacturer with over 12 year experience in chemical products development and research. We can provide high quality powdered neodymium oxide. Please contact us to inquire.
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What is Neodymium oxide? A rare earth oxide, neodymium oxide can be used in many applications. It’s used primarily in Neodymium Iron Born (NdFeB) permanent magnets. Televisions, glass colorings, fluorescent materials, laser material, and other additives in rubber industries. The elegant color of neodymium oxide is also a great discolorant…. Continue reading →

Silver Nanoparticle, an Excellent Antibacterial Agent

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Silver nanoparticle Background An antibacterial substance, silver is an old one. Ancient Egyptians covered their wounds with silver in an effort to stop bacterial infections. Mongolian herdsmen were able to preserve their milk in silver vessels more than 1,000 years ago. There are numerous examples today of silver used to prevent bacteria in our daily lives. For skin injuries, doctors will apply gauze made from silver silk to the wound. The shelf life of foods can be extended by using silver containers. The widespread use of silver nanoparticles as antibacterial substances has been made possible by the advent of nanotechnology. Silver nanoparticles (SNP)have the benefits of high efficiency and wide spectrum. They are currently at the center of antibacterial material research. However, the knowledge of SNPs is still elusive. Further research will continue. Silver antibacterial substances were not used after antibiotics were discovered in 1930s. The abuse of antibiotics has led to a significant problem with drug resistance. SNP has brought attention to new, low-cost antibacterial products that are safe for everyone.

Safety with Nano Silver Powder

Silver Nanoparticle, which is an antibacterial agent, can be dangerous because it is heavy metal. Researchers have performed relevant experiments in order to address this issue. Toxicological Sciences journal published two studies in 2010 that examined the effect of silver nanoparticles at different levels and sizes on cells. This involved contacting the cells directly with the nanoparticles to observe how they react. A concentration of 10g/mL was determined to cause spermatogonia to stop growing. The particle size of silver nanoparticles, at 10-25nm, would also interfere. Two keys are required to make this work: one is the technique, the other is the concentration. This is the problem. The first is to get the cells to come into direct contact. It would require 10 g/ml in order to cause damage. In most cases, direct contact with cells would be impossible. The Taiwan Institute of Labor Health and Safety found out that silver nanoparticles can’t enter the human body even in very high amounts (300 g/mL) according to normal contact. Even if the nanoparticles do enter, they are likely to remain in the cuticle until they can be removed by the skin. This means that it is extremely challenging to get silver nanoparticles into the human body. The nano-silver powder acts as an effective antibacterial agent.

Benefits of Nano Silver Powder

SNP’s antibacterial properties are excellent. SNP security is excellent. SNPS have a stronger antimicrobial effect than silver ions. They are also less toxic for mammals, and cause fewer complications. Persistence is another advantage. The SNP can also be placed on chitosan, other carriers and continuously released zero-valent silverions. It maintains a fairly stable silver concentration and is therefore able to achieve its purpose. Third, broad-spectrum antibacterial. SNP has the ability to kill HIV-1 and more than 700 other pathogenic bacteria. SNP is able to kill bacteria and prevent it from becoming resistant. SNP is also safe, has low toxic side effects, and can be used easily. Buffalotours (aka. Buffalotours advanced materials. We are a global supplier of high-quality chemical materials and manufacturers with more than twelve years experience. High purity, small particles size, and low impurity are the hallmarks of our Silver Nanoparticle. We can help you if your requirements are lower.
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Silver nanoparticle Background An antibacterial substance, silver is an old one. Ancient Egyptians covered their wounds with silver in an effort to stop bacterial infections. Mongolian herdsmen were able to preserve their milk in silver vessels more than 1,000 years ago. There are numerous examples today of silver used to… Continue reading →

To Explore The History and Source of Amorphous Boron B Powder

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Amorphous Boron B-Powder History Boric acid and other borates are the most common forms of Boron in nature. Borax is a common source of boric acid in hot springs. It is also found in industrially important compounds like boracite (2MgOB2O3H2O) and boracite (3B2O35H2O). In 2000 BC, the Ancient Egyptians used borax for making glass and welding gold. Since the turn of the 18th-century, chemical processing of Boron began. G.Hoomubbi, a British chemist, created boric acid in 1702 by combining natural borax with ferrous sulfurate. H.Davy was a British chemist. J.L.GayLus Sac and L.J.Henard were French chemists who reduced boric acids with potassium metal in order to create boron. But, only half of the boron produced could be used. H.Moissan (1892), a Frenchman produced boron that was 98.3% pure by combining boric anhydride and magnesium. E.Weintnaub, a German man, prepared high purity Boren using a mixture hydrogen-boron trichloride. He did this by reducing the radius of the copper anode. After the creation of series of synthetic boron-hydrogen compounds in the 1960s, many people are excited about the possibility of developing a boron chemical. However, there has been more research into the structure of elemental and compound boron. This has led to the development of important applications in modern industry as well as defense of boron compounds.

Source for Amorphous Boron B-Powder

The crustal amount of boron in the earth is 9×10-44%. Seawater has 48×10-5%. Borax, borate (or borate), siliconborate, and borate are just a few of the boron-ores that have been found. Borax ore natural (Na2OB2O310H2O), which is found in salt lakes, dry salt lakes, and the evaporative soils of these salt lakes, is most commonly produced. Borax may also be produced in the soil’s surface, even though it is found in dry regions. Borite (2MgOB2O3H2O), is produced in contact zones of intrusive bodies, magnesite limestone, or dolomite. It can also be found within the soil surface. Magnesite Borax (MgFe),2Fe(BO3)O2, which is often produced in serpentine-dolomite marbles or magnesia skarns, frequently with magnetite and magnesite. Hard calcium boronite (CaO3B2O310H2O) is another source of borates. Alkaline dry salt lakes also often contain borates. Borate resource reserves worldwide are estimated at 335748Mt. This is a very concentrated distribution. 95%, or 95 percent of total world boron reserve is held in the United States alone. Qinghai (Xizang, Liaoning, Fengcheng and Kuandian in China) have a wealth of boron resources. Buffalotours (aka. Buffalotours advanced materials. We are a global supplier of high-quality chemical materials and have over 12 years of experience. High purity, small particles size, and low impurity are the hallmarks of our Amorphous Boron Boron B powder. We can help you if the price is lower.
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Amorphous Boron B-Powder History Boric acid and other borates are the most common forms of Boron in nature. Borax is a common source of boric acid in hot springs. It is also found in industrially important compounds like boracite (2MgOB2O3H2O) and boracite (3B2O35H2O). In 2000 BC, the Ancient Egyptians used… Continue reading →

Scandium — The Aristocrat of Rare Earth Family

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Noble metal This is scandium’s most central member of the rare Earth elements family. The actual worldwide production of scandium in 2016 was less than one ton. That means every person who is more than seven thousand can obtain 1 gram. The availability of scandium, which is rarer than rare earth, rare-earth, or gold, makes it more costly than other rare minerals. Independent minerals have been found only in Madagascar and Europe, with no industrial application. Nelson in Sweden, a Swedish chemical chemist, discovered Scandium during 1879 in the Siyllium–ytrium mine in Europe and the heilinite mine in Scandinavia. Scandium can often be found dispersed within minerals with other elements. This makes it impossible for the naked eye to locate scandium. Scandium is difficult to extract. To extract scandium metal successfully for the first time, it was half a century after its discovery.

Scandium metal prices

Most scandium products sold on international markets are scandium metal scandium or scandium dioxide. Price is determined by the level of purity. 2017 saw the cost of 99.99% pure scanningdium oxide at $4,600/kg. However, the price for distilled scandium metal was $526,000/kg. This is five times more than the gold price ($44,445/kg). Scandium prices have fluctuated dramatically and declined from 1990 through 2006. Let’s take the example of the distilled metallic scandium. Scandium’s price was high in 1993 at $372,000/kg. In 2005, however, it dropped to $162,500/kg. The prices of scandium have increased since 2006. In the rare Earth family, it is much more expensive that other light-rare earths. It also costs more than rare heavy metals like terbium, dysprosium, and terbium. When rare earths prices rose, for instance, scandium oxide (91%) in China cost 26,000 Yuan/kg. This was twice as much as europium oxide (12,000. Yuan/kg) or terbiumoxid (12,000 U.S./kg), both of which had the highest average prices that year. Buffalotours (aka. Buffalotours advanced materials. We are a global supplier of high quality chemical materials and manufacturers with more than 12 years of experience. High purity, small particles size and low impurity are the hallmarks of the Scandium Metallic that our company produces. We can help you if your requirements are lower.
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Noble metal This is scandium’s most central member of the rare Earth elements family. The actual worldwide production of scandium in 2016 was less than one ton. That means every person who is more than seven thousand can obtain 1 gram. The availability of scandium, which is rarer than rare… Continue reading →

Summary of Simple Synthesis Method of Praseodymium Oxide

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A history and overview about praseodymium dioxide powder Praseodymiumoxide (Pr6O11), is an organic compound that can be used for glass, metallurgy and as a additive to phosphors. Praseodymium is an important product in the production of light rare Earth products. Due to its exceptional physical and chemical characteristics, it is used extensively in many fields, including ceramics, glass and rare earth permanent magnets. Rare earth cracking catalysts. Rare earth polishing powders. Its prospects look bright. Praseodymiumoxide is a dense black powder that has a density 688 g/cm3. It also has a melting point at 2042 and boiling point at 3760. The substance can dissolve in water but is insoluble in acid. It also has good conductivity.

Synthesis of the praseodymium dioxide powder

1. Chemical separation. The three main types are step crystallization, step precipitation and oxidation. You can separate the former based on differences in crystal solubility for rare earth nutrate. Separation of the first is based upon the differences in the precipitation product of the rare Earth sulfate dual salt. Separation of the latter takes place by oxidation, from trivalent Pr3+ to triplevalent Pr4+. Because of the high recovery rate for rare earth, their complicated operation and low output, they haven’t been used in industrial production. 2. Separation. This includes complex extraction and the saponification P-507 separation separation methods. To extract and separate praseodymium from the nitric system of praseodymium neodymiumenrichedment, the former employs complex extrusion DYPA, N-263 extractant, and can achieve 99% Pr6O11 and a 98% yield. Due to its complexity, however, it consumes too much complexing agent and has a high cost, making industrial production unviable. They are better at separating praseodymium from the first two and can be used in industrial manufacturing. But, because P-507 is more efficient than P-204 and has a higher loss rate, P-507 extraction methods and separation are commonly used in industrial production. . 3. Although it is difficult to use, slow and has low yield, Ion Exchange is an expensive and time-consuming process.

The application of praseodymium dioxide powder

1. Rare earth glass application Different colors can be created by mixing rare earth oxides with glass of different compositions. The glass can then be turned into green color by adding praseodymium to it. It has great artistic value and can be used in imitation of gemstones. The glass appears almost green when lit by candlelight, while it looks similar to normal daylight. This glass can be used for making fake gemstones, precious ornaments, and even love tokens. 2. Rare earth ceramics: Application As an additive to ceramics, rare earth oxides may be transformed into a variety of ceramics that have better performance. Rare earth fine ceramics is a representative example. The ceramics are made from carefully selected materials. They also use easy-to-control and process technology that allows them to precisely control their composition. This can be broken down into functional and high-temperature structure ceramics. These rare earth oxides can enhance the sinterability and microtexture of ceramics by combining them with rare Earth oxides. Praseodymium oxide colourant ceramic glaze is stable and can withstand the effects of the air in the kiln. You can enhance the chemical and physical properties of ceramic glazes, increase their thermal stability, quality, and variety. 3. Other fields of application A grinding wheel made from white corundum is possible by adding approximately 0.25% praseodymium-neodymiumoxide to it. The grinding performance of rare earth corundum wheels will be greatly enhanced. Double the service life and increase the grinding rate from 30% to 100%. The polishing agent for polishing is Praseodymium Oxide, which has excellent polishing qualities for some materials. The polishing powder is cerium-based and contains approximately 7.5% praseodymium. It’s used mostly for polishing flat glass, TVs and metal products. Picture tube polishing. The application of petroleum cracking catalytic catalysts, which can increase catalytic activities, can also be used to purify molten iron, as well as for additives in steelmaking. The use of praseodymiumoxid is growing in popularity. Buffalotours advanced Material Tech Co., Ltd. is a professional and praseodymium dioxide powder company with more than 12 years’ experience in chemical product development. We can provide high quality, reliable praseodymium powder. Please contact us to send an inquiry.
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A history and overview about praseodymium dioxide powder Praseodymiumoxide (Pr6O11), is an organic compound that can be used for glass, metallurgy and as a additive to phosphors. Praseodymium is an important product in the production of light rare Earth products. Due to its exceptional physical and chemical characteristics, it is… Continue reading →

Molybdenum: A Magical Metal Element

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Method of cutting lines If you’re familiar with wire cutting, this is an area of electrical machining. It involves cutting metal at a high temperature. A kind of consumable material, made from molybdenum as well as other precious metals, is the fine wire used in wire cutting. You can also use wire cutting to separate fast moving wire (with molybdenum) from slow moving wire, (with copper). Molybdenum is able to process almost all metals. However, it can also be used for winding core wires, lead wires and heating elements. High precision, low wire break rate, high processing speed and stability allow molybdenum to be used in long-term continuous processing. While molybdenum wire (Mo) makes up the majority of molybdenum, its content is more than 99 percent. In nature molybdenum mainly occurs in Molybdenite. In the 18th century, Molybdenite over a long time were treated as graphite. This soft-gray mineral is actually schere molybdenite. He is trying to recover the pure molybdenum but has not reached the temperature required for the furnace. However, sea gill succeeded after many years producing silver molybdenum.

Molybdenum Powder

Calcined MoO3 (ammonium paramolybdate) is the main ingredient in making molybdenum. For industrial production, ammonium parmolybdate pure can either directly be transformed into molybdenum pulverizer in the furnace or can be calcined at 550650 to make MoO3. Then, it can then be used to produce molybdenum powder. Powder metallurgy requires high-purity molybdenum, with low oxygen, small particle sizes, and uniform powder. Molybdenum can be produced through secondary molybdenum or ammonium parmolybdate or MoO3 to MoO2 by using an electric round tube furnace or mufftube electric furnace. Second restorations are the conversion of MoO2 from molybdenum to powder at higher temperatures. To ensure quality molybdenum, other factors that affect the size of the molybdenum particles include the volume and humidity of the powder as well as the flow rate and speed. The H2 flux is high and the dewpoint is low so the powder tends to be fine while the powder can flow a lot. These elements must be controlled in order to produce quality powder. Buffalotours (aka. Buffalotours advanced materials. We are a global supplier of chemical materials and manufacturers with over 12 years’ experience. High purity, small particles size, and low impurity are the hallmarks of Molybdenum Powder. We can help you if the price is lower.
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Method of cutting lines If you’re familiar with wire cutting, this is an area of electrical machining. It involves cutting metal at a high temperature. A kind of consumable material, made from molybdenum as well as other precious metals, is the fine wire used in wire cutting. You can also… Continue reading →

High Purity Tungsten Disulfide WS2 Powder CAS 12138-09-9, 99.9%

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Tungsten dioxide, molecular formula WS2, molecularweight 247.97 It’s a grey fine crystal, or powder, with a metallic shine. This product is part of the hexagonal system. Purity: 99.9% Dimensions of partilcles: 70-300nm. About Tungsten Disulfide WS2: Tungsten dioxideis an inorganic compound that is composed of tungsten, sulfur and WS2. It is part of the transition metal dihalides group. The rarest form of tungsten ore is it. This material is part of certain catalysts used for hydrodesulfurization and hydrodenitrogenation. WS2tungsten disulfide employs a layered structural similar to MoS2 and the same MoS2 type, instead of a coordination circle with W atoms (instead molybdenum) within a triangular prism. This layered structure led to the formation of inorganic Nanotubes in WS2 after it was heated in 1992. Most of the WS2 crystals are dark gray hexagonal with a layered structure. Similar to its closely related MoS2, it is a dry oil lubricant. While WS2 was believed to be relatively stable under ambient air, recent studies on single-layer WS2 oxidation within the environment show otherwise. A photooxidation reaction converts WS2 quickly to tungstenoxide in a single-layer form. This happens within a matter of days under ambient light. One-layer WS2 absorbs visible wavelength light (660nm/>1.88eV) and oxidizes it. To proceed with the reaction, you will need water and oxygen. Sulfuric acid and tungsten dioxide are the products of this reaction. Similar results were observed for other semiconductor transitional metal dihalides, such as MoS2, under atmospheric light. A mixture of hydrofluoric and nitric acids can attack WS2. If heated in oxygen-containing conditions, WS2 will turn to tungsten dioxide. In the absence of oxygen, however, WS2 won’t melt and will instead decompose to tungsten trioxide and sulfur. The decomposition temperature, however, is only 1250°C The traditional method of seperating monolayer WS2 involved a chemical exfoliation process. That is, inserting lithium into n-butyl lignin (in hexane) and then removing the Li compound using ultrasonic water treatment. Treatment with different reagents, such as lithium halide or chlorosulfonic acids can help to shed WS2. Send an inquiry to receive the current Tungsten Disulfide prices if you’d like to purchase tungsten disulfide powder wholesale. Tungsten Disulfide details: Tungsten Dioxide particle size: FSS=0.4 to 0.7% m, FSS=0.85 m to 1.15 m. Tungsten Disulfide purity: 99.9% W In Cl Cu Fe Ni Si O 74.12 25.82 0.001 0.002 0.03 0.002 0.005 0.002 0.002 0.003 0.002 How is Tungsten Disulfide WS2 produced? 1. Roasting decomposition method: At 57-60°C, the tungstic acid reacts under heat preservation for 16 hours. Ammonium tungstate is formed when hydrogen sulfide gases react with ammonium. This results in ammonium Tetrathiotungstate, which can be decomposed into tungsten dioxide after high temperature roasting. H2WO4+2NH3·H2O→(NH4)2WO4+2H2O (NH4)2WO4+4H2S→(NH4)2WS4+4H2O 2(NH4)2WS4+3O2→2WS2+4NH3+2S+2SO2+H2O 2. Tungsten is very slow to react with liquid sulfur. You can make WS2 by passing sulfur vapour to red hottungsten. Tungsten can be combined with stoichiometric sulfur blossom and then reacted at 800°C for 24hrs to make WS2, or at 600MPa to create orthorhombic WS2. 3. By heating the ammonium trithiotungstate and decomposing it, under the condition that the air is isolated, the temperature rises from 100 to 200 degrees Celsius per hour during heating. After it has been kept at that temperature for 24-48 hours, it’s then brought back to room temperature, with a temperature gradient between 30 and 110°C/hour. Next, the material is crushed and discharged. This method for making ultrafine, scaly, tungsten dioxide is simple to use, doesn’t pollute the environment, produces high-quality tungsten, with high purity and a hexagonal crystal structure. Tungsten Disulfide Application WS2 Tungsten disulfide is used to make tungsten disulfide lubricant, tungsten disulfide grease. Tungsten Disulfide WS2 friction coating is very smooth. WS2 has an extremely low friction coefficient, 0.03, which is significantly lower than that of graphite (PTFE), molybdenum sulfide(MoS2), and graphite (graphite). It has a remarkable performance when it comes to lubricity. You can use it for electronic equipment such as sensors, transistors and photocatalysis. Tungsten dioxide powder is very soluble in water and alcohol. Extrusion molds, plastic molds and all other types of demolding use WS2 as a release material. Hydraulic oil can no longer be required. WS2 can work with any type of oil such as grease, hydraulic oil or silicone, and can even be combined with hydraulic oil. It retains fluid layers by having an affinity with them. It keeps oil and grease off the surface. This improves the lubrication. Tolerable tolerances can be achieved on small parts when the thickness is below 1 micron. Additionally, WS2 can be used for food processing as well as medical equipment. WS2 is a high-speed process that replaces customer base material at ambient temperature. This does not cause the substrate to become warped or continuous. To increase durability, you can use WS2 alone or with our PVD Hard Coating. Tungsten disulfide powder storage condition: Tungsten Disulfide powder should not be exposed to the air. Damp reunion can affect dispersion performance of WS2 powder and its use. Additionally, WS2 powder must be kept away from stress. Packing & Shipping Tungsten Disulfide WS2 powder: We offer many packing options that are dependent on the Tungsten Dulfide Powder amount. Tungsten Disulfide Powder Packaging:Vacuum Packing, 100g to 500g or 1kg/bag at 25kg/barrel. Or as you request. Tungsten Disulfide powder shipping: after payment receipt, can be sent out by sea or air. Buffalotours Advanced Material. Buffalotours (Global Chemical Material Supplier & Manufacturer) has over 12-years of experience in producing super high-quality chemical and nanomaterials. This includes boride, nitride, graphite, sulfide, 3D printing powders, etc. Send us an enquiry if you’re looking for high quality tungsten dioxide powder. (brad@ihpa.net)

Tungsten Sulfide Properties

tungsten sulfide (WS2), tungsten disulphide, tungsten(IV) sulfide, WS2 powder 12138-09-9 WS2 Molecular Weigh 247.97 Appearance Black Powder Melting Point 1250 °C Heating Point N/A Density 7.5 g/cm3 Solubility of H2O N/A Exact 247.895074

Tungsten Sulfide Health & Safety Information

Signal word Warning Hazard Statements H315-H319-H335 Hazard Codes Risk Codes 36/37/38 Security Statements 26-37/39 Transport Information N/A
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Tungsten dioxide, molecular formula WS2, molecularweight 247.97 It’s a grey fine crystal, or powder, with a metallic shine. This product is part of the hexagonal system. Purity: 99.9% Dimensions of partilcles: 70-300nm. About Tungsten Disulfide WS2: Tungsten dioxideis an inorganic compound that is composed of tungsten, sulfur and WS2. It… Continue reading →