Tungsten Oxide

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98% Sodium Tungstate Dihydrate 270

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 275

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 266

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 274

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 132

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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Hydrogen Molybdenum Tungsten Bronze 103

Hydrogen molybdenum tungsten bronze (HxMo(W)O3, 0<x≤2) may be used as electrocatalyst for direct small organic molecule fuel cell. Platinum Modified with Hydrogen Molybdenum Tungsten Bronze as Electrocatalyst for Direct Small Organic Molecule Fuel Cell There are several problems that limit…

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Ammonium Tungsten Bronze 108

Ammonium tungsten bronze may be prepared by thermal reduction of ammonium paratungstate (APT). APT Thermal Reduction to Prepare Ammonium Tungsten Bronze 1. Experiment Equipment Three-stage heating tube type resistance furnace is used; Zone of constant temperature of the furnace tube…

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Potassium Tungsten Bronze 104

Potassium tungsten bronze (KxWO3) may be prepared by hybrid microwave method using K2WO4, WO3 and W powder as raw materials. With the increase of nominal potassium content x, the crystal structure of KxWO3 transforms from hexagonal (0.20≤x≤0.33) to tetragonal (0.50≤x≤0.60).…

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Sodium Tungsten Bronze 97

Sodium tungsten bronze (NaxWO3, 0<X<1) may be prepared by low temperature hydrothermal synthesis method. Low Temperature Hydrothermal Synthesis of Sodium Tungsten Bronze 1. Add dilute hydrochloric acid to 0.25 mol•L-1 Na2WO4 solution dropwise under stirring until the pH is around…

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Hydrogen Tungsten Bronze 100

Hydrogen tungsten bronze (HxWO3, 0≤x≤1) may be used as a co-catalyst in combination with platinum, thereby reducing the usage amount of platinum (The cost of platinum is high) and increasing the catalytic activity of platinum. Hydrogen tungsten bronze combines with…

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