Ammonium Meta Tungstate 14311-52-5  

A water - soluble white crystalline powder or yellowish hue. SPECIFICATIONS: Impurity Content Grade AMT-1 Grade AMT-1 Impurity Content %MAX Ai 0.001 Mo 0.003 As 0.001 Ni 0.0005 Bi 0.0001 Na 0.002 Ca 0.001 Pb 0.0001 Cu 0.0005 S 0.003 Cr 0.001 Sb 0.0005 Co 0.001…