Ammonium Metatungstate(AMT)

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CAS:

Application:Ammonium metatungstate for metal tungsten , alloy steel, fireresistant fabric, and used for the ceramic industry. Ammonium metatungstate is also used in the manufacture of various petrochemical rush into the agent and other tungsten compounds, is the main raw material for tungsten based catalysts for refinery.

Packing:The product packaging used steel barrel,polyethylenelined plastic bags and they should be tightly enclosed separately. The net weight for each is *5kg or *0kg.  

Grade AMT1A AMT2A
AMT1B AMT2B
AMT1C AMT2C
Purity Min.(%) *9.*5 *9.*0
Main Comp WO3 MIN.(%) *3.0 *3.0
Content of Other Chemical Element Max.(%) Al 0.**1 0.**1
As 0.**1 0.**1
Bi 0.***1 0.***1
Ca 0.**1 0.**3
Cr 0.**1 0.**1
Cu 0.**1 0.**3
Fe 0.**2 0.**3
K 0.***5 0.**2
Mg 0.**1 0.**2
Mn 0.**1 0.**1
Mo 0.**5 0.*1
Na 0.***5 0.**2
Ni 0.**1 0.**1
P 0.**1 0.**3
Pb 0.***1 0.***1
S 0.***5 0.**1
Sb 0.**1 0.**2
Si 0.**1 0.**2
Sn 0.***1 0.***3
Ti 0.**1 0.**2
V 0.**1 0.**2
Matter Undissolved in Water Max 0.5 0.5
PH Value 3.*4.5 3.*4.5