Aluminum Sulfate Powder WCode: 01-012-02 Sales Specifications Appearance: White Purity: 99% Min Al203 amount: 17% Min Fe203 amount: 0.05% max Water insoluble substance: 0.2% max pH: 3.10 min Dimension: 0-2 mm Arenic (As): 14mg/kg Al Max Cadmium (Cd): 3mg/kg Al Max Chrome (Cr): 30mg/kg Al max Mercury (Mg): 4mg/kg Al max Nickel (Ni): 20mg/kg Al max Lead (Pb): 40mg/kg Al Max Antimony (Sb): 20mg/kg Al Max Selenium (Se): 20mg/kg Al Packing 50 lb bag, 44 bags per pallet 2204.60 lb super sack