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Ammonium Paratungstate

Formula
(NH4)10[H2W12O42]·4H2O
CAS No.
11120-25-5
Appearance
白色结晶粉末
Application
用于制造金属钨、钨合金、催化剂及化工原料。
Packing
编织袋或铁桶包装
Net Weight
25Kg/袋

Specifications

GradeAPT-0APT-1
WO3(%)≥88.5≥88.5
Al≤0.0005≤0.001
Fe≤0.001≤0.001
S≤0.0007≤0.001
As≤0.001≤0.001
P≤0.0007≤0.001
Mo≤0.002≤0.005
Ca≤0.001≤0.001
Mg≤0.0007≤0.001
K≤0.001≤0.0015
Na≤0.001≤0.0015
Si≤0.001≤0.001
Cu≤0.0003≤0.0005
Mn≤0.001≤0.001
Ni≤0.0007≤0.001
Pb≤0.0001≤0.0001
Bi≤0.0001≤0.0001
Sn≤0.0001≤0.0003
Sb≤0.0008≤0.001
V≤0.001≤0.001
Ti≤0.001≤0.001
Cr≤0.001≤0.001
Co≤0.001≤0.001