Ammonium Paratungstate / CAS Number 11120-25-5

Ammonium Paratungstate-APT GRADE:APT-0 APPEARANCE: Free flowing white crystal line powder with no any other cast or foreign matter. MAIN CONTENT: WO3>88.5%(Calculated by the subtractive method) PACKING: In iron drums with inner plastic bags of 200kg or 100kg net each. SPECIFICATIONS: Impurity Content Grade APT-0 WO3 Min (%) 88.5 Chemical  Composition impurity Content Max (%) AI 0.0005 As 0.001 Bi 0.0001 Ca 0.001…