AMMONIUM METATUNGSTATE AMT CAS NO:12028-48-7

AMMONIUM METATUNGSTATE AMT CAS NO:12028-48-7

AMMONIUM METATUNGSTATE AMT CAS NO:12028-48-7 Specification

WO3:91.44%

IMPURITY (ppm max)

As:7ppm

Si:10ppm

Al:5ppm

Pb:1ppm

Mg:3ppm

Fe:7ppm

Cu:1ppm

Mo:6ppm

K:6ppm

Na:6ppm

PH of 30% aqueous solution:2.34

Insoluble substance:＜0.015%

Ignition loss:8.55%