Ammonium Metatungstate By Sichuan Western Minmetals Co., Ltd.

We are reputed enterprises in this industry, manufacturing, exporting, trading and supplying Ammonium Metatungstate in Chengdu, Sichuan, China. Ammonium Metatungstate (AMT), white crystallized powder or light yellow powder, molecular formula 5(NH4)6H2W12O40-XH2O, is basic raw material of W-base catalyzer in oil refinery, and is mainly used for petroleum industry.

Product Specification/Models:-
Ammonium Metatungstate(AMT)
Purity 99.90%, 99.95%
WO3 89.0%min
Impurities PCT Max Each
Grade AMT-1
Purity 99.95%
Al/As/Ca/Cr/Ca/Cu/Mg/Mn/Ni/P/Sb/Si/Ti/V 0.001,
Mo 0.005, Fe 0.002, Na/K 0.0015, Bi/Pb/Sn 0.0001, S 0.0005
Grade AMT-2
Purity 99.90%
Al/As/Cr/Mn/Ni/S 0.001, K/Na/Sb/Ti/V 0.002
Ca/Cu/Fe/P 0.003, Bi/Pb 0.0001, Sn 0.0003, Mo 0.01
Water Insoluble 0.5%max
PH Value 3.0-4.5
Application
It is basic raw material of W-base catalyzer in oil refinery, and is mainly used for petroleum industry.