Appearance:white crystals or crystalline powder | Assay:99.0-100.5% | State of solution:≥ 98% | Sulfate (SO4):≤ 0.020% | Ammonium(NH4):≤ 0.02% | Chloride (Cl):≤ 0.020% | Loss on drying:≤ 0.10% | Heavy metal (Pb):≤ 10ppm | Residue on ignition:≤ 0.10% | Arsenic (AS2O3):≤ 1PPM | PH Value:3.0-3.5 | Iron(Fe):≤ 10ppm | Storage:in dry and cool place
Packing:25kg/drum
Delivery time:within2/7days after get payment.