Tungsten Heater and Bottle Lid

tungsten heater image

Tungsten heater is used in vacuum coating furnace, which is widely used to coat the surface of bottle lid. With the development of bottles and lids, beauty is not the only target now, fashion, anti-artificial, different are all the targets with the times going.

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Solubility of Ammonium Paratungstate in Aqueous Ammonia after Low Temperature Calcination

SEM image of APT

Ammonium paratungstate (APT), is a prevalent starting material in the production of tungsten oxides, catalysts, tungsten alloys, electrochromic materials and so on. It is produced by crystallization from purified ammonium tungstate solutions in batch and continuous processes. Commonly, repeated crystallization is used as a method of improving the quality of the product.

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Chitosan Combined with Ammonium Paratungstate as Anticorrosive Coatings

Image of Chit-APT coating

Chitosan (Chit) is a non-toxic derivative of chitin, namely the β-(1,4)- linked polysaccharide of D-glucosamine. Application of chitosan coatings on substrates by the dip coating technique was proved to be highly effective in corrosion prevention by producing thin layers with controlled characteristics. The transparency of chitosan coatings also constitutes an advantage as it does not change the appearance of the underlying substrate.

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Thermal Decomposition of Ammonium Paratungstate in Hydrogen

image of hydrogen gas

Thermal decomposition of ammonium paratungstate (APT) in air has been investigated previously. The thermal decomposition of ammonium paratungstate (APT) in hydrogen (H2) now has been studied to investigate the decomposition process.

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Preparation Of Ammonium Paratungstate Using Low Grade Tungsten Concentrate

Image of tungsten concentrate

Low grade tungsten concentrate has such characteristics as a high content of calcium and impurities, and a low content of WO3. But it has a lower price than standard tungsten concentrate.

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Low-Temperature Hydrothermal Reduction of Ammonium Paratungstate

Image of ammonium tungsten bronze

Ammonium paratungstate (APT), is an important starting material in tungsten industry. Through reduction of APT, produces most of the tungsten products, including tungsten trioxide, tungsten bronze, etc.

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Tungsten Alloy Application – Military Industry

tungsten alloy in aerospace image

Tungsten alloy application in military industry is mainly for aerospace, weapon and nuclear industry. Tungsten alloy (WHA) is heavy metal with main content of tungsten 90~97%, and other elements, such as copper, nickel, iron, manganese, and molybdenum.

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Tungsten Heater for Coating Alcohol Bottle

vacuum coating furnace image

It seems that there is no correction between tungsten heater and alcohol bottle, however, they are related together by the vacuum coating furnace, which can make the bottles with colorful surface.

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Comparing Thermal and Mechanochemical Decomposition of Ammonium Paratungstate (APT)

APT image

Ammonium paratungstate (APT) is common starting material in the synthesis of tungsten products. Thermal decomposition of ammonium paratungstate (APT) in air leads to production of tungsten trioxide (WO3) which can be used as a catalyst. WO3 is also a common precursor material for manufacture of tungsten metal powder, which has been applied in the fields of lightings, electronics, and high-temperature resistant material.

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Impact of Synthesis Conditions on WO3 Powders from Ammonium Paratungstate

SEM image of WO3

Transition element oxides are of great interest for both fundamental science and technological applications due to their multifunctional properties. Tungsten oxides WOx , where 2 ≤ x ≤ 3, are among the most important substances from this large group. Nowadays they are commonly used as photocatalysts, gas sensors, and electrochromic materials. There are also some new applications of WOx for dyesensitized solar cells, optical data storage and field-emission displays. Besides, cation-doped WOx is considered as high-Tc superconductor

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