钨酸钠的主要产品规格是：化学成分化学纯一级品二级品Na2WO4.2H2O999897Mo0.0010.02--AS0.0010.0010.001Cu0.00050.0010.001Fe0.0010.0010.005Si0.0040.040.04水不溶物0.0050.050.05PH8.5-98.5-98.5-9钨酸钠http://)