Ammonium Paratungstate
Specifications:
1. Main commpn.WO3O3)88.5% min.
2. Impurities content:
Impurities Content %<
Fe 0.0010
Al 0.0010
Si 0.0010
Mn 0.0010
Mg 0.0007
Ni 0.0020
Ti 0.0020
V 0.0020
Co 0.0020
As 0.0020
Pb 0.0001
Bi 0.0001
Sn 0.0001
Sb 0.0010
Cu 0.0005
Ca 0.0010
Mo 0.0040
S 0.0007
P 0.0010
K 0.0010
Na 0.0020
Cd 0.0010
Uses: Used for manufacture of tungsten trioxide, phosphotungstate,chemical reagent and tungsten powder etc.
Packing: Net weught 50 kg in iron drum with plastic bag lining.
Ammonium Metatungstate
Specifications:
WO3: 83-88%
PH: 3.0-4.0
SO4: 0.04%
C: l0.01%
Mo: 100PPM
Na: 200PPM
Fe: 15PPM
Ca: 100PPM
Uses: As material for making petrol catalyst.
Packing: In iron drums of 50 or 100 kg net each.
Evercup Metals Co., Ltd Found In 1994, Specializing In Supplying Gutter Brooms, Oil Tempered Flat Wire And Patented Wire.
