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…
Ammonium metatungstate microsphere may be prepared by two different spray drying methods. Ammonium metatungstate (AMT) is usually used as one of the…
Ammonium metatungstate solution is an aqueous solution of ammonium metatungstate (AMT), which may be prepared using ammonium tungstate solution as raw material…
Chromium doped ammonium paratungstate may be produced by doping chromium (Cr) in evaporation crystallization process during the production of ammonium paratungstate. Adopting…
Arsenic doped ammonium paratungstate may be prepared by adopting simple arsenic, nitric acid solution and ammonium paratungstate (APT) as raw materials and…
Sodium doped ammonium paratungstate may be used to prepare coarse grain size tungsten trioxide (WO3), and the content of sodium (Na) may…
Coarse ammonium paratungstate has advantages of large apparent density and good fluidity, and its demand increases year by year as customers are…
Super grade ammonium paratungstate is ammonium paratungstate with grade of APT-0, which is divided by national standard. Generally, traditional process to prepare…
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…