【Know Tungsten】Ammonium Paratungstate Produced by Evaporation Crystallization Method
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- Category: Tungsten Video
- Published on Sunday, 07 July 2019 20:51
Evaporation crystallization is the main method for producing ammonium paratungstate, enamel reactor and continuous crystallizer are usually used as reacting equipment.
【Know Tungsten】Sodium Polytungstate
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- Category: Tungsten Video
- Published on Sunday, 07 July 2019 20:45
Sodium polytungstate is also called sodium metatungstate, it has the advantages of high density, ordorless, easy to synthesis and can be recycled, it is largely applied in density separation in geology and soil science.
【Know Tungsten】Ammonium Paratungstate Producing Ammonium Metatungstate
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- Category: Tungsten Video
- Published on Sunday, 09 June 2019 13:43
Ammonium paratungstate thermal decomposition method producing ammonium metatungstate is the typical and main process to produce AMT by solid phase transition method.
【Know Tungsten】Difference of Sodium Tungstate and Sodium Molybdate
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- Category: Tungsten Video
- Published on Sunday, 09 June 2019 13:36
Sodium tungstate and sodium molybdate are two different substances with their difference reflecting in physical, chemical property and application.
【Know Tungsten】Sodium Tungstate Fire Proof Material
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- Category: Tungsten Video
- Published on Sunday, 09 June 2019 13:29
Sodium tungstate fire proof material can be used as coatings for wood, fabric and other flammable materials and wooden architectural.
【Know Tungsten】Tungsten Content Testing Method for Sodium Tungstate
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- Category: Tungsten Video
- Published on Saturday, 08 June 2019 11:06
Testing method of tungsten content in sodium tungstate, which is using cinchonine hydrochloride to separate tungstic acid, then calcine to get tungsten trioxide, weight, colorimetric to calculate tungsten content.
【Know Tungsten】Reproduced Tungsten Carbide Powder
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- Category: Tungsten Video
- Published on Wednesday, 08 May 2019 21:01
Reproduced tungsten carbide powder refers to WC which obtained from waste hard alloy, can be divided into four grades of WCH-1, WCH-2, WCH-3, WCH-4 depending on raw material.
【Know Tungsten】Sodium Tungstate Solution
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- Category: Tungsten Video
- Published on Wednesday, 08 May 2019 20:49
Sodium tungstate solution is an aqueous solution of solid sodium tungstate, the raw material of ammonium paratungstate (APT), ammonium metatungstate (AMT) ect.
【Know Tungsten】Nickel Based Tungsten Carbide Powder
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- Category: Tungsten Video
- Published on Wednesday, 08 May 2019 20:17
Nickel based tungsten carbide powder mainly refers to add tungsten carbide powder (WC) on the basis of self-fluxing nickel-based alloy to enhance its hardness and wear-resistant, can be used for surface spray of oil drill pipe joints, reamers ect., with preparation methods of atomization, mechanical mixing and sintering method.
【Know Tungsten】Wide Specification Tungsten Powder
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- Category: Tungsten Video
- Published on Saturday, 06 April 2019 22:44
Wide specification tungsten powder is a kind of tungsten powder, whose grain size are not so gathered in a grain size.