Cesium tungsten bronze powder may be used as transparent material with heat-insulating performance, which has wide application prospects in the field of automotive glass and window glass of building for thermal insulation. It is also energy saving. Preparation of Cesium…

Cesium tungsten bronze nanopowder may absorb infrared rays and may be used for preparing transparent heat insulation coating. Preparation of Cesium Tungsten Bronze Nanopowder 400kg of sorbitol was heated and dissolved in a jacketed reactor and tungstic acid and cesium…

Doping ammonium metatungstate may be applied as a raw material for producing tungsten products with special function. For example, potassium doped ammonium metatungstate may be used to prepare K-doped tungsten powder, which can be used for preparing tungsten filaments. Generally,…

Ammonium metatungstate hydrate is the hydrate of AMT with CAS No. of 12333-11-8, molecular formula of (NH4)6H2W12O40•xH2O, and molecular weight of 2974.3. Its WO3 content is determined to be 99.0%. Its total impurity is less than or equal to 0.005%…

High-purity ammonium metatungstate crystal may be prepared by neutralization-nanofiltration-crystallization coupling process. Among them, the coupling process of neutralization-nanofiltration was studied to know the effects of temperature, pH value, stirring rate, and membrane pressure on the coupling process. The neutralization-nanofiltration coupling…

Industrial grade ammonium metatungstate is ammonium metatungstate of very high purity. The determination of bismuth (Bi) in AMT may be feasible by coprecipitation-hydride generation-atomic fluorescence spectrometry. A Method for the Determination of Bismuth in AMT by Coprecipitation-hydride Generation-atomic Fluorescence Spectrometry…

Crystalline ammonium metatungstate is an important intermediate compound (or raw material) for the production of tungsten products. And tungsten products are important industrial raw materials, whose impurity content should be strictly controlled and accurately detected. In recent years, the requirements…

Hollow ammonium metatungstate sphere may be prepared by spray drying method. The average diameter of the hollow ammonium metatungstate ball is 1.03μm, and the wall thickness is about 100nm. The preparation process is divided into 3 stages: atomization, shell formation…

High-purity ammonium metatungstate may be prepared by a coupling process of neutralization-nanofiltration-crystallization. AMT solution is obtained by neutralization-nanofiltration, which can not only reduce cost as high concentration of AMT solution is obtained for the subsequent crystallization process, but also ensure…

Ammonium metatungstate microsphere may be prepared by two different spray drying methods. Ammonium metatungstate (AMT) is usually used as one of the precursors of tungsten carbide (WC) catalysts. And the morphology and particle size distribution of WC microsphere are affected…