Ammonium Paratungsten
产品牌号 Grade
|
APT - 0
|
杂质含量 (最大值%)
|
WO3含量(≥%)
|
88.5
|
化学成分
|
最大值Max
|
化学成分
|
最大值Max
|
Al
|
0.0005
|
Na
|
0.0010
|
As
|
0.0010
|
Ni
|
0.0005
|
Bi
|
0.0001
|
K
|
0.0010
|
Ca
|
0.0010
|
P
|
0.0007
|
Cd
|
0.0010
|
Pb
|
0.0001
|
Cr
|
0.0010
|
S
|
0.0008
|
Co
|
0.0010
|
Sb
|
0.0005
|
Cu
|
0.0003
|
Si
|
0.0010
|
Fe
|
0.0010
|
Sn
|
0.0002
|
Mg
|
0.0005
|
Ti
|
0.0010
|
Mn
|
0.0005
|
V
|
0.0010
|
Mo
|
0.0020
|
灼损Blanch loss
|
11.5
|
Blue Tungsten Oxide
Grade
|
A
|
WO2.9 Content (%min)
|
99.95
|
Impurities (% max)
|
Element
|
Max
|
Al
|
0.0005
|
As
|
0.0010
|
Bi
|
0.0001
|
Ca
|
0.0010
|
Cd
|
0.0001
|
Cr
|
0.0010
|
Co
|
0.0010
|
Cu
|
0.0003
|
Fe
|
0.0010
|
K
|
0.0010
|
Mg
|
0.0007
|
Mn
|
0.0010
|
Mo
|
0.0020
|
Na
|
0.0010
|
Ni
|
0.0007
|
P
|
0.0007
|
Pb
|
0.0001
|
S
|
0.0007
|
Sb
|
0.0005
|
Si
|
0.0010
|
Sn
|
0.0002
|
Ti
|
0.0010
|
V
|
0.0010
|
Density
|
2.4-2.8g/cm3
|
F.S.S.S.
|
12-19μm
|
Yellow Tungsten Oxide
Grade
|
A1
|
A2
|
WO3 Content (%min)
|
99.95
|
99.9
|
Impurities (% max)
|
Element
|
Max
|
Max
|
Al
|
0.0005
|
0.0010
|
As
|
0.0010
|
0.0150
|
Bi
|
0.0001
|
0.0010
|
Ca
|
0.0010
|
0.0060
|
Cd
|
0.0010
|
0.0010
|
Cr
|
0.0010
|
0.0010
|
Co
|
0.0010
|
0.0010
|
Cu
|
0.0003
|
0.0010
|
Fe
|
0.0010
|
0.0040
|
K
|
0.0010
|
0.0010
|
Mg
|
0.0007
|
0.0010
|
Mn
|
0.0010
|
0.0010
|
Mo
|
0.0020
|
0.1000
|
Na
|
0.0010
|
0.0050
|
Ni
|
0.0007
|
0.0010
|
P
|
0.0007
|
0.0050
|
Pb
|
0.0001
|
0.0010
|
S
|
0.0007
|
0.0050
|
Sb
|
0.0005
|
0.0010
|
Si
|
0.0010
|
0.0060
|
Sn
|
0.0002
|
0.0010
|
Ti
|
0.0010
|
0.0010
|
V
|
0.0010
|
0.0010
|
Density
|
2.4-3.0g/ cm3
|
0.6-1.0g/cm3
|
F.S.S.S.
|
12-20μm
|
0.6-1.8μm
|