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Grade 1 ammonium paratungstate is a national standard product of APT with grade of APT-1. The ammonium paratungstate may be obtained by…

APT crystalline mother liquor’s main components are ammonium chloride, ammonium tungstate, a small amount of sulfur ions and sulfate ions. Tungsten and…

Ammonium paratungstate hexahydrate’s chemical formula is (NH4)10H2W12O42?6H2O (APT?6H2O). Stability of Ammonium Paratungstate Hexahydrate It is key to generate ammonium paratungstate tetrahydrate ((NH4)10H2W12O42?4H2O…

Ammonium paratungstate tetrahydrate or APT?4H2O may be prepared by crystallization process from pure ammonium tungstate solution by batch process and continuous process.…

Large grain size ammonium paratungstate is an important intermediate product in the preparation of tungsten powder from tungsten concentrates. The physical properties…

Ultrafine ammonium paratungstate may be prepared by microwave-ultrasonic cooperative evaporation crystallization method. Microwave-ultrasonic Cooperative Evaporation Crystallization to Prepare Ultrafine Ammonium Paratungstate 1.…

Coarse crystal ammonium paratungstate has found wider applications in many fields with the continuous development of new tungsten carbides and filament types.…

High-calcium ammonium paratungstate means the ammonium paratungstate powder that has excessive Ca content. The phenomenon of excessive Ca content in APT products…

Spherical-crystal ammonium paratungstate can be used to prepare high-performance tungsten heavy alloys, which has the characteristics of high density, good ductility, large…

Orthorhombic ammonium paratungstate is the necessary intermediate raw material with the chemical formula of (NH4)10H2W12O42?10H2O during the process of tungsten metallurgy. The…