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Chemical Properties of Nano

Nano-tungsten carbide powder is a high purity, uniform particle size, good dispersion and high surface energy and chemical activity of the material, it is also a high acid resistance, hardness, ins...

Another Point to Break the Separation Problem of Tungsten and Molybdenum

With the development and utilization of high quality tungsten and molybdenum resources, existing tungsten and molybdenum resources increasingly complex composition, tungsten and Cast Iron Inserts ...

Sodium Tungstate Solution Purification by Magnesium Salt Precipitation

The NaOH decomposition process is currently used by tungsten smelting enterprises in China. During the process of decomposition, impurities such as phosphorus, arsenic, silicon, tin and fluorine wi...

Cemented-Carbide Grinding Material Recycles Tungsten

Cemented-carbide grinding material Drilling Inserts not only contains a considerable amount of tungsten, but also a small amount of cobalt and nickel and other valuable metals, which can realize ...

Ammonium Paratungstate Evaporation Crystallization

Preparation of ammonium paratungstate by evaporative crystallization is the main method of industrial production of tungsten products. Ammonium paratungstate evaporation crystallization principle i...

Sodium Tungstate Defluorination with Ion Exchange Method

Alkali process is widely used in tungsten smelting in China. In the process of alkali decomposition of tungsten concentrates, a small amount of CaF2 and NaOH react with sodium fluoride into sodium ...

How to Reduce Agglomeration of Ultrafine Tungsten Carbide Powder

Ultrafine tungsten carbide powder commonly produced on the market is produced by carbon tube furnace or molybdenum wire furnace after mixing nanometer, ultrafine or fine tungsten powder with carbon...

Preparation of Ammonium Metatungstate by Solid Phase Method

Ammonium threading inserts metatungstate is an important tungsten intermediate compound, which has the advantages of high activity, good solubility, convenient source and low price. It is mainly ...

Supported Phosphotungstic Acid Catalyst Preparation

Carboxylic esters are a kind of basic organic chemical raw materials. They are widely used in perfumes, flavors, plasticizers, solvents, resins, coatings, cosmetics, pharmaceuticals, surfactants an...

Tungsten-Based Plasma Facing Components

Tungsten materials are considered to be plasma facing components (PFC) for the preparation of the International Thermonuclear Experimental Reactor (ITER) due to its high melting point, high sputter...