Ammonium Metatungstate used for producing all kinds of petromedical catalysts.

Ammonium Metatungstate

Product Grade	AMT-1	AMT-2
WO3 content(%)	≥88	≥84
Water solubility (25°C)	300g AMT/100ml water
Water insoluble impurities (%)	≤0.1	≤0.5
Fe	0.0020	0.0050
Si	0.0020	0.0060
Mo	0.010	0.030
Ca	0.0010	0.0010
Al	0.0010	0.0010
Mg	0.0010	0.0010

Ammonium Metatungstate