Tungsten Oxide

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Single-crystal Ammonium Paratungstate 4

Single-crystal ammonium paratungstate has properties of good fluidity, high bulk density, small and uniform grain gaps in the blank, few mechanical defects and high compaction density. It also has excellent physical properties such as good compression resistance, tensile resistance, impact…

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Spherical Ultrafine Ammonium Paratungstate 5

Spherical ultrafine ammonium paratungstate, or spherical single crystal ultrafine ammonium paratungstate (APT), is the key powder material for fabricating high-density alloys with high performance. More specifically, the spherical ultrafine APT is calcined to obtain tungsten oxide, and spherical tungsten powder…

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Coarse Crystalized Ammonium Paratungstate 4

Coarse crystalized ammonium paratungstate (APT) is a flaky or needle-like white crystal that is slightly soluble in water and insoluble in alcohol. As a raw material for the powder metallurgy industry, coarse crystalized APT has the characteristics of simple production…

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Ammonium Paratungstate Tetrahydrate 9

Ammonium paratungstate tetrahydrate, or APT·4H2O, is an important intermediate product in the production of tungsten powder. It has been reported that it is a key process to crystallize APT·4H2O from an aqueous solution of ammonium tungstate in the current preparation…

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Ultrafine Ammonium Paratungstate 7

Ultrafine ammonium paratungstate is an important raw material for the production of nano tungsten powder. Since the 1990s, nano tungsten powder has been generally concerned by researchers all over the world, and ultrafine APT, as an important raw material for…

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98% Sodium Tungstate Dihydrate 581

98% sodium tungstate dihydrate may be studied by TG-DTG technology to know its dehydration process. And the non-isothermal kinetic data of the dehydration process is analyzed using the thermal analysis kinetic data processing method proposed by Malek et al. Processing…

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Industrial Grade Sodium Tungstate Dihydrate 574

Industrial grade sodium tungstate dihydrate is also known as technical grade sodium tungstate dihydrate with molecular formula of Na2WO4•2H2O. The thermal decomposition of Na2WO4•2H2O and its kinetics was studied in a static air by TG-DTG. The thermal decomposition process of…

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Chemically Pure Sodium Tungstate 559

Chemically pure sodium tungstate is a good inhibitor for carbon steel in simulated seawater, and the inhibition efficiency increased with the increase of inhibitor concentration, and the adsorption of sodium tungstate onto the surface of carbon steel followed the amended…

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High Purity Sodium Tungstate Dihydrate 578

High purity sodium tungstate dihydrate is a colorless or white crystalline powder that can be decomposed by strong acids into tungstic acid (water-insoluble). It is easily weathered in dry air. And it is stable in air, but heated to lose…

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99.5% Tungstic Acid 249

99.5% tungstic acid may be prepared by “dissociation-slurrying-acid decomposition” process. This process uses less raw materials and auxiliary materials. And it is easy to operate. So, it is cost-saving and time-saving. Some people have conducted experiments on acid decomposition of…

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