钨酸钠
钨酸钠(Sodium Tungstate)
Grade
WO3 (%,min)
Impurities (%,max )
Water Insoluble
Mo
As
Al
Fe
Si
High-pure Grade
69
0.02
0.01
0.025
0.005
0.04
0.01%,max
Commom Grade
I
68
0.02
0.015
0.025
0.04
II
68
0.05
0.015
Grade
WO3 (%,min)
Impurities (%,max )
Water Insoluble
Mo
As
Al
Fe
Si
High-pure Grade
69
0.02
0.01
0.025
0.005
0.04
0.01%,max
Commom Grade
I
68
0.02
0.015
0.025
0.04
II
68
0.05
0.015