Purchase Qty. Reference FOB Price
5,000-19,999 kg US$1.08
20,000+ kg US$1.05
Product Description
Product Description Items Specification Appearance White crystalline powder Assay 99.0-100.5% Loss on drying ≤4.0 PH 10% 7.5~10.5 Heavy metals(Pb) % 0.001% max Arsenic (As) % 0.0003% max Iron(Fe) % 0.005 max Fluoride(F) % 0.001% max Insoluble in water % 0.30% max Free acid ...