Tungsten powder is the basic raw material for making cemented carbide.
2020年12月21日星期一
Cyclic Oxidation Method Helps Tungsten Powder Particle Size Rebalance
Ammonia Purification - Thermal Dissociation Method for Preparing High Purity Tungsten Trioxide
At present, the industrial production of pure tungsten trioxide or APT is mainly purify the crude sodium tungstate solution.
Tungsten and Molybdenum Separation - Paratungstate B Guanidine Salt Precipitation Method
Submicron Tungsten Powder Preparation by APT Cyclic Oxidation Reduction Method
Tungsten powder is mainly used to manufacture tungsten filament for incandescent lamp, inert gas shielded arc welding and atomic hydrogen welding electrode etc..
2020年12月1日星期二
Zinc Tungstate / Bamboo Charcoal Composite Photocatalyst
In recent years, tungstate catalysts have attracted more attention for their narrower band gap and larger visible light range.
A New Shortcut for Preparing WC-CO Powder from Ammonium Metatungstate
Many scholars have tried new methods to reduce production cost. The direct synthesis of tungsten cobalt alloy powder from ammonium metatungstate is an innovative attempt.
What Factors Should be Paid Attention to in Producing High Purity APT
High purity quaternary ammonium paratungstate (APT) is a crystalline powder of ammonium paratungstate with a purity of 99.999% to 99.9999%.
Tungsten Trioxide Gas Sensitive Performance Test
Tungsten trioxide is a transition metal oxide, with a semiconductor character, has great potential for gas-sensitive materials, sensitive to a variety of gases, especially toxic gases.
2020年10月28日星期三
How to Prepare Ultrafine Tungsten Powder by Ultrasonic Spray Drying
With the development of high and new technology, the requirement of pure tungsten and its alloy material is higher and higher.
Tungsten Powder Prepared by One Step Reduction Method
The preparation of tungsten powder from APT is usually calcined in the weak reducing atmosphere to produce yellow tungsten, blue tungsten or purple tungsten.
New Method for Reduction of Ultra Coarse Tungsten Powder by Ammonium Paratungstate
Ultra coarse tungsten powder is an important raw material for the preparation of ultra coarse tungsten carbide.
EDTA Wastewater Photocatalytic Oxidation with Bismuth Tungstate
EDTA is a highly effective chelating agent. It has been widely used in chemical analysis, electroplating, medicine, industrial washing products, photographic products and other industries.
2020年9月15日星期二
Green Catalytic Activity of Phosphotungstic Acid for Four Hydrogen Sulfide
Four hydrogen sulfide is a chemical intermediate of nitro spray paint, rubber and other solvents, so is often used in the protection of hydroxyl groups.
Pesticide Pollution Treatment by Potassium Phosphotungstate
Chlorothalonil is an efficient fungicide absorbed in organic pesticide, organic compounds but it is also easy to cause pollution of soil.
Photocatalytic Activity of Bismuth Tungstate Upgraded by Polyester Fiber
Bismuth tungstate (Bi2WO6) is the most common Aurivillius type oxide and is a hot spot in the field of photocatalysis.
Graphene, Bismuth Tungstate, Titanium Oxide
Bismuth tungstate is a popular new visible light catalyst, especially petal shaped bismuth tungstate.
Violet Tungsten Oxide Price on DEC.23, 2022
Basic Trading Condition Product Name Violet Tungsten Oxide (Purple Tungsten Oxide) Details Purity:99.90% Particle Size: 12~20um Quantity:1,0...
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Ball mill is a fine equipment used in industry and can also be used for mixing. The ball mill is composed of a cylinder and sphere, its work...
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Basic Trading Condition Product Name Nano Yellow Tungsten Oxide Details Purity:99.90% Particle Size: 100~300nm Quantity:1,000.00KG Price:9...
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Rare earth ions are rich in energy levels, their luminescence wavelengths can change from ultraviolet to infrared. They are often used as lu...